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Brand: ABB
Series: ATMB Series – Automation Terminal & Monitoring Base Modules
The ATMB Series is developed for industrial automation environments where signal distribution, monitoring, and terminal integration are required within control cabinets. Modules in this range are designed for structured wiring, reliable signal routing, and compact cabinet assembly.
The ATMB-01C model belongs to the compact base module category of the ATMB Series. It is primarily used as an interface and terminal distribution module that ensures organized signal management, electrical isolation, and operational stability inside industrial panels.
The ABB ATMB-01C (68909058 / 68908574B) is a compact automation terminal and monitoring base module designed for structured signal distribution and safe electrical interfacing. It functions as an intermediate connection platform between field devices and control systems, ensuring secure wiring, signal clarity, and electrical stability.
This module is engineered for industrial automation cabinets where high-density wiring and monitoring reliability are essential. Its robust housing, DIN rail mounting capability, and industrial-grade insulation make it suitable for demanding production and process environments.
The ATMB-01C combines terminal distribution with monitoring capability, enabling simplified troubleshooting and improved maintenance efficiency.
| Parameter | Specification |
|---|---|
| Model | ATMB-01C (68909058 / 68908574B) |
| Rated Supply Voltage | 24 V DC |
| Operating Voltage Range | 20–30 V DC |
| Rated Current per Channel | 5 A |
| Total Current Capacity | 20 A |
| Signal Type | Digital / Analog compatible |
| Insulation Voltage | 500 V |
| Isolation Type | Galvanic isolation |
| Response Time | ≤ 10 ms |
| Mounting Method | DIN Rail (35 mm) |
| Protection Class | IP20 |
| Operating Temperature | −20°C to +60°C |
| Storage Temperature | −40°C to +85°C |
| Relative Humidity | 5–95% non-condensing |
| Cooling Method | Natural convection |
| Terminal Type | Screw terminals |
| Dimensions (H × W × D) | 100 × 45 × 110 mm |
| Weight (kg) | 0.29 kg |
| Housing Material | Industrial-grade flame-retardant polymer |
| EMC Compliance | Industrial EMC standard compliant |
The ATMB-01C is engineered to simplify terminal management and signal monitoring within industrial automation systems. It provides organized wiring structure, electrical isolation between circuits, and safe power distribution across multiple signal channels.
The module’s design allows it to act as both a connection interface and a monitoring node. This reduces panel complexity and enhances clarity during maintenance or system expansion.
Its compact 45 mm width allows efficient use of cabinet space. All terminals are clearly marked to reduce wiring errors and simplify installation. The module is compatible with standard industrial PLCs and distributed control systems, making it suitable for both new installations and system upgrades.
Structured Wiring Management
Ensures clean and organized panel layout, improving reliability and maintenance efficiency.
Integrated Isolation Protection
Reduces electrical noise interference and protects control equipment from voltage spikes.
Compact Construction
Optimized for high-density installations inside automation cabinets.
Ease of Installation
DIN rail mounting and screw terminals simplify wiring and replacement procedures.
Reliable Monitoring Capability
Supports signal tracking and system diagnostics at the terminal level.
Industrial Durability
Designed to withstand temperature variations and continuous operation.
Low Power Consumption
Energy-efficient design reduces heat generation inside enclosures.
• PLC input/output distribution panels
• Industrial machinery control cabinets
• Production line automation systems
• Signal distribution for process control equipment
• Monitoring and interface modules in utilities
• Building automation and control systems
• Water treatment facility control panels
• Power plant auxiliary signal systems
| Model | Channel Current | Total Capacity | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| ATMB-02C | 5 A | 30 A | 100 × 60 × 110 | 0.34 |
| ATMB-03C | 10 A | 40 A | 110 × 65 × 120 | 0.42 |
| ATMB-04C | 5 A (isolated channels) | 20 A | 100 × 45 × 110 | 0.30 |
| ATMB-05C | 8 A | 32 A | 110 × 60 × 115 | 0.39 |
| ATMB-01E | 5 A | 20 A | 100 × 45 × 110 | 0.31 |
| Model | Product Type | Main Rating | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| ACS880-01-017A-4 | Drive Module | 17 kW | 220 × 120 × 180 | 3.6 |
| ACS580-01-12A6-4 | Variable Frequency Drive | 5.5 kW | 358 × 152 × 203 | 6.5 |
| Emax 2 E2.2 | Air Circuit Breaker | 1600 A | 371 × 210 × 268 | 8.2 |
| Tmax XT4N | Molded Case Circuit Breaker | 250 A | 140 × 105 × 160 | 2.1 |
| AF12-30-10 | Contactor | 12 A | 86 × 45 × 77 | 0.36 |
Q1: What is the main function of ATMB-01C?
A1: It is used for terminal distribution and signal monitoring within industrial automation cabinets.
Q2: Does the module provide electrical isolation?
A2: Yes, it includes galvanic isolation to enhance signal safety and reduce interference.
Q3: What voltage does it operate on?
A3: It operates on a nominal 24 V DC supply.
Q4: Can it handle both digital and analog signals?
A4: Yes, it is compatible with both types depending on system configuration.
Q5: Is the unit suitable for outdoor use?
A5: It is designed for indoor cabinet installation with IP20 protection.
Q6: What mounting method is required?
A6: Standard 35 mm DIN rail mounting.
Q7: What is the typical maintenance requirement?
A7: Periodic inspection of terminal connections and cabinet ventilation is usually sufficient.
Q8: How many channels does it support?
A8: It supports multiple channels with a per-channel rating of 5 A.
Q9: Is it compatible with PLC systems?
A9: Yes, it integrates easily with PLC and distributed control systems.
Q10: What is the main advantage of this module compared to simple terminal blocks?
A10: It combines structured wiring, monitoring capability, and electrical isolation in one compact unit.