ABB NMMU02 chassis

Product Overview

The ABB NMMU02 Chassis is a core mechanical support component in industrial automation systems and control cabinets, used for mounting and securing control modules, I/O modules, power modules, and other devices.
The chassis is robustly designed, supports modular installation, and provides reliable mechanical support and ventilation to ensure stable operation of the entire control system.

Technical Specifications

Model: NMMU02
Module Type: Chassis
Mounting: DIN rail / Control cabinet
Compatible Modules: ABB series I/O, CPU, power, communication modules
Material: Cold-rolled steel / Aluminum alloy (depending on model)
Surface Treatment: Powder coating or anodized
Operating Temperature: 0°C to +55°C
Storage Temperature: -25°C to +70°C
Humidity: 5%–95%, non-condensing
Protection Rating: IP20
Dimensions: approx. 450 × 200 × 150 mm (depending on model)
Weight: approx. 3–5 kg (depending on model)
Mounting Holes: Standard DIN rail hole positions
Certifications: CE / UL / RoHS

Features & Advantages

1. Modular Installation – Supports quick installation and replacement of various ABB modules.

2. Robust and Reliable – Industrial-grade steel or aluminum alloy ensures mechanical stability.

3. Efficient Cooling – Optimized ventilation design improves module heat dissipation.

4. High Compatibility – Suitable for ABB series I/O, CPU, power, and communication modules.

5. Flexible Installation – DIN rail or control cabinet mounting for easy system integration.

6. Lightweight Design – Balances strength with ease of handling and installation.

Applications

• Industrial automation control cabinet racks

• PLC / DCS system module support

• Power and communication module mounting

• Automated production line control systems

• Energy management systems and smart factories

• Robot and servo system module support

Precautions

1. Disconnect power before installation or maintenance to ensure safety.

2. Ensure modules are securely installed to prevent loosening or falling.

3. Avoid operation in high humidity, dusty, or strong EMI environments.

4. Regularly clean dust inside the chassis to maintain clear ventilation paths.

5. Use genuine ABB NMMU02 chassis to ensure module compatibility and long-term reliable operation.

The structure and details of the product：

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