
MM-20MR-4MTS-F420 4″ Square HMI Panel
4″ 480×480 square HMI with USB/TTL, IP65 front, CE certified. Ideal for compact automation displays.
MM-20MR-4MTS-5K-F420-H3G-A 4-inch Square Industrial HMI Panel
Product Overview:
The MM-20MR-4MTS-5K-F420-H3G-A is a high-clarity 4-inch square HMI panel with a unique 480×480 resolution, perfect for space-limited industrial systems. Featuring USB/TTL support, it’s designed for ease of integration and reliable operation in harsh environments.
Product Features:
✔ Display: 4″ TFT square LCD, 480×480 resolution, 250cd/m² brightness, 73mm × 70mm viewable area.
✔ Touchscreen: High-precision 4-wire resistive touch (4H), optimized for industrial environments.
✔ Processing & Memory: A8 800 MHz RISC CPU, 128M FLASH memory, and real-time clock with 512KB recipe storage.
✔ Interfaces: Mini USB for program download, internal TTL, and USB HOST for mouse support.
✔ Power Specs: Runs on DC24V input (15V–28V range), insulation resistance >50MΩ@500VDC, 500VAC withstand voltage.
✔ Design: Compact, fire-retardant ABS casing in gray; outer dimensions 116×102×45mm, panel cutout 107×94mm.
✔ Durability: 0–45℃ operating temp, 10–90% RH, anti-vibration 2G, air-cooled.
✔ Certifications: IP65-rated front panel, CE certified (EN61000-6-2:200S).


MM-20MR-4MTS-5K-F420-H3G-A(0429)
| Parameter | Details |
|---|---|
| Product Model | MM-20MR-4MTS-5K-F420-H3G-A |
| External Dimensions | 116mm × 102mm × 45mm |
| Cutout Dimensions | 107mm × 94mm |
| Screen Model | F420A (YKBuilder 5.3) |
| Screen Size | 4″ TFT (73mm × 70mm) |
| NPN Input Channels | 12 channels |
| Transistor Outputs | 4 channels (Y+, Y- supports ≤ 5V levels) |
| Relay Outputs | 8 channels |
| Analog Inputs | 0 |
| Analog Outputs | 0 |
| Temperature Inputs | 0 |
| Power Supply | 24V, 3A power supply |

MM-20MR-4MTS-F420 4″ 480×480 Square HMI Panel
Industrial 4″ square HMI panel with 480×480 resolution, USB/TTL, IP65, CE certified.
MM-20MR-4MTS-5K-F420-H3G-B 4-Inch 480×480 Square HMI Touchscreen
Product Overview:
The MM-20MR-4MTS-5K-F420-H3G-B HMI panel is ideal for space-efficient industrial automation, offering a square 480×480 resolution display in a rugged enclosure. With Mini USB and TTL connectivity, it seamlessly integrates into compact control systems.
Product Features:
✔ High-Resolution Display: 4″ TFT LCD, 480×480 square resolution, 250cd/m² brightness, 73mm x 70mm visible area.
✔ Touch Accuracy: 4-wire resistive touch technology with 4H hardness for durable use in harsh industrial environments.
✔ Processing Power: A8 800 MHz RISC CPU, 128M FLASH memory, real-time clock + 512KB for recipe storage.
✔ Interfaces: Includes Mini USB for programming, TTL serial port, and USB HOST for mouse support.
✔ Power Details: Input voltage DC24V (range DC15V–DC28V), insulation resistance >50MΩ@500VDC, 500VAC withstand test.
✔ Design & Materials: Compact and rugged gray ABS fireproof housing, 116×102×45mm; cutout size: 107×94mm.
✔ Environment Ready: Functions in 0–45℃ and 10–90% RH, anti-vibration (2G/30 min), natural air cooling.
✔ Certifications: IP65 front panel protection, CE certified (EN61000-6-2:200S).
MM-20MR-4MTS-5K-F420-H3G-B(0429)
| Parameter | Details |
|---|---|
| Product Model | MM-20MR-4MTS-5K-F420-H3G-B |
| External Dimensions | 116mm × 102mm × 45mm |
| Cutout Dimensions | 107mm × 94mm |
| Screen Model | F420A (YKBuilder 5.3) |
| Screen Size | 4″ TFT (73mm × 70mm) |
| NPN Input Channels | 12 channels |
| Transistor Outputs | 4 channels (Y+, Y- supports ≤ 5V levels) |
| Relay Outputs | 8 channels |
| Analog Inputs | 2 channels (0-10V → 0-4095) |
| Analog Input Addresses | D8032, D8033 |
| Analog Outputs | 2 channels (0-4000 → 0-10V) |
| Analog Output Addresses | D8050, D8051 |
| Temperature Inputs | 2 channels (NTC 10K, -50°C to 150°C) |
| Temperature Input Addresses | D8034, D8035 |
| Power Supply | 24V, 3A power supply |

MM-20MR F421 4″ Square HMI with USB TTL
Industrial 4″ 480×480 square HMI with Mini USB, TTL, IP65 front panel, CE certified.
MM-20MR-4MTS-5K-F421-H3G-A 4-Inch Square Industrial Touch HMI
Product Overview:
The MM-20MR-4MTS-5K-F421-H3G-A is a space-efficient 4-inch square industrial HMI panel with sharp 480×480 resolution. It features USB and TTL interfaces for flexible communication and a rugged design ideal for automation and control applications.
Product Features:
✔ High-Resolution Screen: 4″ TFT LCD with 480×480 resolution, 250cd/m² brightness, 73×70mm viewable area.
✔ Durable Touchscreen: 4-wire resistive touch (4H hardness) ensures long-lasting performance.
✔ Reliable Hardware: A8 800 MHz RISC CPU with 128M FLASH, real-time clock + 512KB recipe memory.
✔ Interface Options: Mini USB for programming, internal TTL communication, and USB HOST for mouse input.
✔ Power and Safety: Operates on DC24V (range 15V–28V), insulation >50MΩ@500VDC, withstands 500VAC for 1 min.
✔ Structure: Fire-retardant ABS casing in gray, outer size 102×116×45mm, cutout size 94×107mm.
✔ Environmental Resilience: Operates in 0~45℃, 10~90% RH, vibration-resistant (2G/30 min), naturally cooled.
✔ Certifications: IP65 front panel rating and CE certification (EN61000-6-2:200S).
MM-20MR-4MTS-5K-F421-H3G-A(0429)
| Parameter | Details |
|---|---|
| Product Model | MM-20MR-4MTS-5K-F421-H3G-A |
| External Dimensions | 102mm × 116mm × 45mm |
| Cutout Dimensions | 94mm × 107mm |
| Screen Model | F420A (YKBuilder 5.3) |
| Screen Size | 4″ TFT (73mm × 70mm) |
| NPN Input Channels | 12 channels |
| Transistor Outputs | 4 channels (Y+, Y- supports ≤ 5V levels) |
| Relay Outputs | 8 channels |
| Analog Inputs | 0 |
| Analog Outputs | 0 |
| Temperature Inputs | 0 |
| Power Supply | 24V, 3A power supply |

MM-20MR F421 4″ 480×480 HMI Touch Panel
Compact 4″ square HMI with 480×480 resolution, USB, TTL, IP65, CE certified. Ideal for industrial control.
MM-20MR-4MTS-5K-F421-H3G-B 4-Inch Square Industrial HMI Panel
Product Overview
The MM-20MR-4MTS-5K-F421-H3G-B is a rugged 4-inch 480×480 square HMI touch panel, built for industrial reliability and compact installations. Equipped with TTL and USB, it’s ideal for machine interfaces in automation systems.
Product Highlights:
- Display: 4″ TFT LCD, 480×480 resolution, 250cd/m² brightness, 73×70mm display area.
- Touchscreen: 4-wire resistive touch panel (4H hardness) ensures precise control.
- Processor & Memory: A8 800 MHz RISC CPU, 128M Flash, real-time clock with 512KB recipe memory.
- Connectivity: Mini USB for downloads, internal TTL communication, USB HOST supports mouse input.
- Electrical Specs: Operates on DC24V (range 15–28V), insulation resistance >50MΩ@500VDC, 500VAC withstand.
- Build: Gray fire-retardant ABS case, dimensions 102×116×45mm, panel cutout 94×107mm.
- Environment: 0~45℃ operating range, 10~90% RH, shock resistance 2G/30 min, natural cooling.
- Compliance: IP65 front panel, CE certified (EN61000-6-2:200S).
MM-20MR-4MTS-5K-F421-H3G-B(0429)
| Parameter | Details |
|---|---|
| Product Model | MM-20MR-4MTS-5K-F421-H3G-B |
| External Dimensions | 102mm × 116mm × 45mm |
| Cutout Dimensions | 94mm × 107mm |
| Screen Model | F420A (YKBuilder 5.3) |
| Screen Size | 4″ TFT (73mm × 70mm) |
| NPN Input Channels | 12 channels |
| Transistor Outputs | 4 channels (Y+, Y- supports ≤ 5V levels) |
| Relay Outputs | 8 channels |
| Analog Inputs | 2 channels (0-10V → 0-4095) |
| Analog Input Addresses | D8032, D8033 |
| Analog Outputs | 2 channels (0-4000 → 0-10V) |
| Analog Output Addresses | D8050, D8051 |
| Temperature Inputs | 2 channels (NTC 10K, -50°C to 150°C) |
| Temperature Input Addresses | D8034, D8035 |
| Power Supply | 24V, 3A power supply |

MCMM-20MR 4″ HMI 480×480 Touch Panel
Compact 4″ 480×480 HMI with TTL, USB, IP65 front panel, CE certified for industrial use.
MM-20MR-4MTS-F420-H3G-A 4-Inch Square Touch HMI Panel
Product Overview:
The MM-20MR-4MTS-F420-H3G-A offers a sleek and durable 4-inch square 480×480 HMI panel for industrial control applications. With built-in TTL and USB connectivity, it’s optimized for compact automation systems.
Product Features:
- Display: 4″ TFT screen with 480×480 resolution and 250cd/m² brightness.
- Touchscreen: 4-wire resistive touch (4H), ensuring precise and reliable input.
- Performance: Powered by A8 800MHz RISC CPU, with 128M Flash memory and built-in real-time clock.
- Connectivity: Supports USB download (Mini USB), internal TTL, and USB HOST for mouse input.
- Electrical Parameters: Runs on DC24V (range: 15~28V), >50MΩ insulation at 500VDC, withstands 500VAC.
- Design: Gray fire-resistant ABS housing, dimensions 116×102×45mm, cutout 107×94mm.
- Environment: 0~45℃ operation, 10~90%RH non-condensing, 2G shock resistance, fanless cooling.
- Certifications: IP65-rated front panel and CE certified (EN61000-6-2:200S).


MM-20MR-4MTS-F420-H3G-A(0429)
| Parameter | Details |
|---|---|
| Product Model | MM-20MR-4MTS-F420-H3G-A |
| External Dimensions | 116mm × 102mm × 45mm |
| Cutout Dimensions | 107mm × 94mm |
| Screen Model | F420A (YKBuilder 5.3) |
| Screen Size | 4″ TFT (73mm × 70mm) |
| NPN Input Channels | 12 channels |
| Transistor Outputs | 4 channels (Y+, Y- supports ≤ 5V levels) |
| Relay Outputs | 8 channels |
| Analog Inputs | 0 |
| Analog Outputs | 0 |
| Temperature Inputs | 0 |
| Power Supply | 24V, 3A power supply |

MCMM-20MR 4″ HMI 480×480 Touch PMM-20MR 4″ 480×480 Touch HMI Panel
High-performance 4″ square HMI with USB, TTL, and IP65 rating for industrial control.
MM-20MR-4MTS-F420-H3G-B Industrial HMI – 4” 480×480 Square Display
Overview
The MM-20MR-4MTS-F420-H3G-B is a reliable 4” industrial HMI touch panel built for tight spaces and demanding conditions. With its square 480×480 display and robust interface options, it’s ideal for machine control and factory automation.
Key Features:
- Display: 4-inch TFT screen, 480×480 resolution, 250cd/m² brightness.
- Touch Technology: 4-wire resistive touch (4H) for durability and precision.
- Performance: Equipped with an A8 800MHz RISC CPU and 128MB Flash memory, includes a real-time clock.
- Connectivity: Mini USB for programming, USB HOST for mouse, internal TTL communication.
- Power & Protection: Operates on 24V DC, supports 15–28V input range, meets IP65 and CE (EN61000-6-2:200S).
- Design: Rugged gray ABS plastic housing, size: 116×102×45mm, cutout: 107×94mm.
- Environment: 0–45℃ operation, 10–90%RH, shock-resistant to 2G (X/Y/Z), fanless design.
MM-20MR-4MTS-F420-H3G-B(0429)
| Parameter | Details |
|---|---|
| Product Model | MM-20MR-4MTS-F420-H3G-B |
| External Dimensions | 116mm × 102mm × 45mm |
| Cutout Dimensions | 107mm × 94mm |
| Screen Model | F420A (YKBuilder 5.3) |
| Screen Size | 4″ TFT (73mm × 70mm) |
| NPN Input Channels | 12 channels |
| Transistor Outputs | 4 channels (Y+, Y- supports ≤ 5V levels) |
| Relay Outputs | 8 channels |
| Analog Inputs | 2 channels (0-10V → 0-4095) |
| Analog Input Addresses | D8032, D8033 |
| Analog Outputs | 2 channels (0-4000 → 0-10V) |
| Analog Output Addresses | D8050, D8051 |
| Temperature Inputs | 2 channels (NTC 10K, -50°C to 150°C) |
| Temperature Input Addresses | D8034, D8035 |
| Power Supply | 24V, 3A power supply |

M4″ 480×480 Touchscreen HMI MM-20MR-F422
4-inch 480×480 HMI with Mini USB, TTL, and IP65 protection for industrial control applications.
MM-20MR-4MTS-F422-H3G-A Industrial HMI Panel – 4″ 480×480 Square Display
Overview
The MM-20MR-4MTS-F422-H3G-A is a compact and powerful 4-inch square HMI panel, built for industrial environments. Its sleek size and high-resolution touchscreen make it ideal for applications requiring precise control and display within limited space.
Highlights:
- Display: 4″ TFT, 480×480 resolution, 250cd/m² brightness for clear visuals.
- Touch Interface: Durable 4-wire resistive touchscreen (4H).
- Processor & Memory: Powered by A8 800MHz RISC CPU, with 128MB Flash and real-time clock (RTC).
- Connectivity: Mini USB for programming, USB HOST for peripherals, internal TTL for communication.
- Housing & Size: Gray flame-retardant ABS casing, size 102×116×45mm, panel cutout 94×107mm.
- Reliability: Operates in harsh conditions (0~45℃, 10~90%RH), shock resistance to 2G, fanless cooling.
- Certifications: IP65-rated front panel and CE certified (EN61000-6-2:200S).
MM-20MR-4MTS-F422-H3G-A(0429)
| Parameter | Details |
|---|---|
| Product Model | MM-20MR-4MTS-F422-H3G-A |
| External Dimensions | 102mm × 116mm × 45mm |
| Cutout Dimensions | 94mm × 107mm |
| Screen Model | F420A (YKBuilder 5.3) |
| Screen Size | 4″ TFT (73mm × 70mm) |
| NPN Input Channels | 12 channels |
| Transistor Outputs | 4 channels (Y+, Y- supports ≤ 5V levels) |
| Relay Outputs | 8 channels |
| Analog Inputs | 0 |
| Analog Outputs | 0 |
| Temperature Inputs | 0 |
| Power Supply | 24V, 3A power supply |

4″ 480×480 HMI Panel MM-20MR-F422-B
Compact 4-inch 480×480 HMI with USB, TTL, and IP65 rating, designed for smart industrial control systems.
MM-20MR-4MTS-F422-H3G-B 4-Inch HMI Panel – High-Precision Square Display
Summary
The MM-20MR-4MTS-F422-H3G-B is a compact, square-format 4-inch HMI display ideal for modern industrial control systems. It provides precise touch input, secure USB communication, and stable performance in demanding environments.
Features
- Display: 4” square TFT screen with 480×480 resolution and 250cd/m² brightness.
- Touch: 4-wire resistive touchscreen offering reliable operation in industrial settings.
- Performance: Equipped with an A8 800MHz RISC processor and 128MB Flash memory with RTC.
- Connectivity: Mini USB interface for programming, USB HOST support, internal TTL for serial communication.
- Durability: IP65-rated front panel, withstands high humidity and temperature ranges (0~45℃).
- Housing: Gray ABS flame-retardant shell, dimensions 102×116×45mm, panel cutout size 94×107mm.
- Certifications: CE certified (EN61000-6-2:200S).
MM-20MR-4MTS-F422-H3G-B(0429)
| Parameter | Details |
|---|---|
| Product Model | MM-20MR-4MTS-F422-H3G-B |
| External Dimensions | 102mm × 116mm × 45mm |
| Cutout Dimensions | 94mm × 107mm |
| Screen Model | F420A (YKBuilder 5.3) |
| Screen Size | 4″ TFT (73mm × 70mm) |
| NPN Input Channels | 12 channels |
| Transistor Outputs | 4 channels (Y+, Y- supports ≤ 5V levels) |
| Relay Outputs | 8 channels |
| Analog Inputs | 2 channels (0-10V → 0-4095) |
| Analog Input Addresses | D8032, D8033 |
| Analog Outputs | 2 channels (0-4000 → 0-10V) |
| Analog Output Addresses | D8050, D8051 |
| Temperature Inputs | 2 channels (NTC 10K, -50°C to 150°C) |
| Temperature Input Addresses | D8034, D8035 |
| Power Supply | 24V, 3A power supply |

MM-20MR-4MTS-F420-FX-A 4-inch 480×480 HMI Panel
MM-20MR-4MTS-F420-FX-A, 4″ 480×480 resolution HMI touch screen, Mini USB, IP65, CE certified industrial panel.
MM-20MR-4MTS-F420-FX-A 4-inch Square Industrial Touch Screen
Product Overview:
The MM-20MR-4MTS-F420-FX-A is a 4-inch square-format HMI touch screen engineered for high-precision control in compact industrial settings. Featuring a vivid display, durable resistive touch interface, and essential USB/TTL connectivity, it ensures dependable automation monitoring and control.
Product Features:
✔ Display: 4-inch TFT LCD with square 480×480 resolution, 250cd/m² brightness, 73×70mm display area.
✔ Touch Panel: Accurate 4-wire resistive touch (4H hardness) for industrial input precision.
✔ Core Hardware: A8 800MHz RISC processor, 128M FLASH memory, real-time clock with 512KB backup.
✔ Connectivity: Mini USB programming port, internal TTL communication, USB HOST supports mouse input.
✔ Power Specs: Operates at DC24V (range DC15V–DC28V), insulation resistance >50MΩ@500VDC, dielectric strength 500VAC/1min.
✔ Housing: Gray fireproof ABS shell, overall size 115×101×46mm, panel cutout 107×93mm.
✔ Operating Conditions: 0–45℃ temperature range, 10–90%RH humidity (non-condensing), vibration resistance (2G XYZ), fanless natural cooling.
✔ Certifications: Front panel rated IP65, CE compliant (EN61000-6-2:200S).
MM-20MR-4MTS-F420-FX-A(0430)
| Parameter | Details |
|---|---|
| Product Model | MM-20MR-4MTS-F420-FX-A |
| External Dimensions | 116mm × 102mm × 45mm |
| Cutout Dimensions | 107mm × 94mm |
| Screen Model | F420A (YKBuilder 5.3) |
| Screen Size | 4″ TFT (73mm × 70mm) |
| NPN Input Channels | 12 channels |
| Transistor Outputs | 4 channels (Y+, Y- supports ≤ 5V levels) |
| Additional Transistor Outputs | 8 channels |
| Analog Inputs | 0 |
| Analog Outputs | 0 |
| Temperature Inputs | 0 |
| Power Supply | 24V, 3A power supply |

MM-20MR-4MTS-FE400-FX-A 4-inch 480×272 HMI Panel
MM-20MR-4MTS-FE400-FX-A, 4″ industrial TFT touch panel with 480×272 resolution, Mini USB, IP65 rated, CE certified.
MM-20MR-4MTS-FE400-FX-A 4-inch Industrial HMI Touch Screen
Product Overview:
The MM-20MR-4MTS-FE400-FX-A is a cost-effective 4-inch industrial HMI with wide-format 480×272 resolution. Ideal for compact control applications, it offers reliable performance with USB connectivity, IP65 front protection, and a rugged ABS enclosure — suitable for factory automation, embedded systems, and control dashboards.
Product Features:
✔ Display: 4-inch TFT screen with 480×272 resolution, 250cd/m² brightness, visible area of 73×54mm.
✔ Touch Interface: Industrial-grade 4-wire resistive touch panel with 4H hardness.
✔ Processing Unit: Equipped with A8 800MHz RISC CPU, 128M FLASH memory, and a real-time clock with 512KB backup storage.
✔ Interfaces: Mini USB port for programming, internal TTL communication, and USB HOST support for mouse.
✔ Electrical: DC24V rated voltage (range DC15V–DC28V), insulation resistance >50MΩ@500VDC, withstands 500VAC for 1 minute.
✔ Construction: Built with fire-retardant ABS material, size 116×102×45mm, panel cutout dimensions 107×94mm.
✔ Environmental: Operating temperature 0–45℃, humidity 10–90%RH (non-condensing), 2G anti-vibration in all directions, natural air cooling.
✔ Certifications: Front panel protection IP65, CE compliant (EN61000-6-2:200S).


MM-20MR-4MTS-FE400-FX-A
| Parameter | Details |
|---|---|
| Product Model | MM-20MR-4MTS-FE400-FX-A |
| External Dimensions | 116mm × 102mm × 45mm |
| Cutout Dimensions | 107mm × 94mm |
| Screen Model | FE400A (YKBuilder 5.3) |
| Screen Size | 4″ TFT (73mm × 54mm) |
| NPN Input Channels | 12 channels |
| Transistor Outputs | 4 channels (Y+, Y- supports ≤ 5V levels) |
| Additional Transistor Outputs | 8 channels |
| Analog Inputs | 0 |
| Analog Outputs | 0 |
| Temperature Inputs | 0 |
| Power Supply | 24V, 3A power supply |

MM-20MR-4MTS-FE400-FX-B 4-inch USB HMI Panel
4″ TFT HMI panel with 480×272 resolution, Mini USB, IP65 front, CE certified, ideal for industrial automation.
MM-20MR-4MTS-FE400-FX-B 4-inch Industrial HMI Touch Screen
Product Overview:
The MM-20MR-4MTS-FE400-FX-B is a durable and compact 4-inch industrial touch screen, ideal for control panels and embedded HMI applications. With its wide-format resolution, USB programming, and high-level protection features, it ensures stability in demanding environments.
Product Features:
✔ Display: 4-inch TFT screen with 480×272 resolution, 250cd/m² brightness, display area 73×70mm.
✔ Touch Panel: 4-wire industrial-grade resistive touchscreen with 4H hardness for high precision.
✔ Processor & Memory: Built-in A8 800MHz RISC CPU, 128M FLASH, and real-time clock with 512KB memory.
✔ Interfaces: Features Mini USB for programming, internal TTL port, and USB HOST with mouse support.
✔ Power & Electrical: Operates at DC24V (range DC15V–DC28V), insulation resistance >50MΩ@500VDC, withstands 500VAC for 1 minute.
✔ Rugged Housing: Constructed from fire-retardant ABS plastic, with IP65-rated front panel, dimensions 116×102×45mm, cutout 107×94mm.
✔ Environment: Works in 0–45℃, 10–90%RH (non-condensing), 2G vibration resistance (10–25Hz), cooled naturally by air.
✔ Compliance: CE certified to EN61000-6-2:200S for industrial use.
MM-20MR-4MTS-FE400-FX-B
| Parameter | Details |
|---|---|
| Product Model | MM-20MR-4MTS-FE400-FX-B |
| External Dimensions | 116mm × 102mm × 45mm |
| Cutout Dimensions | 107mm × 94mm |
| Screen Model | FE400A (YKBuilder 5.3) |
| Screen Size | 4″ TFT (73mm × 54mm) |
| NPN Input Channels | 12 channels |
| Transistor Outputs | 4 channels (Y+, Y- supports ≤ 5V levels) |
| Additional Transistor Outputs | 8 channels |
| Analog Inputs | 2 channels (0-10V → 0-4095) |
| Analog Input Addresses | D110, D111 |
| Analog Outputs | 2 channels (0-10000 → 0-10V) |
| Analog Output Addresses | D126, D127 |
| Temperature Inputs | 2 channels (NTC 10K, -50°C to 150°C) |
| Temperature Input Addresses | D124, D125 |
| Power Supply | 24V, 3A power supply |