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- 90 mm × 45 mm × 60 mm
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- 64606758
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Product: ABB RMBA‑01 (64606758)
1. Overview
The RMBA‑01 with part number 64606758 is an industrial relay module designed for reliable switching and signal control in automated systems. It provides precise electrical isolation between control circuits and high-power loads, ensuring safe and consistent operation in industrial automation, machinery, and process control systems.
Engineered for demanding industrial environments, the RMBA‑01 features robust construction, long operational life, and flexible mounting options. It is designed to integrate seamlessly with programmable logic controllers (PLC) and other industrial control systems.
2. Product Parameters (Technical Data)
| Parameter | Value |
|---|---|
| Model | RMBA‑01 (64606758) |
| Product Type | Industrial Relay Module |
| Relay Type | Electromechanical, SPDT or DPDT (depending on variant) |
| Rated Coil Voltage | 24 V DC standard |
| Contact Rating | 250 V AC / 5 A (resistive load) |
| Response Time | 10 ms typical |
| Isolation Voltage | 1500 V AC between coil and contacts |
| Operating Temperature | –20°C to +60°C |
| Protection Class | IP20 (standard housing protection) |
| Mounting | DIN rail mounting |
| Housing Material | Flame-retardant plastic |
| Connection Type | Screw terminals or plug-in connectors |
| Dimensions | 90 mm × 45 mm × 60 mm |
| Weight (kg) | 0.35 kg |
3. Product Introduction
The RMBA‑01 relay module is designed to provide safe and reliable electrical switching in industrial automation applications. It allows low-voltage control signals to operate high-power devices such as motors, solenoids, and lamps.
Its electromechanical design ensures dependable switching performance and high durability. The module also includes features such as coil-to-contact isolation and DIN rail mounting, simplifying installation and integration into control panels.
4. Product Application Areas
The RMBA‑01 is commonly used in:
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Industrial Automation Systems — Switching of motors, valves, and actuators.
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PLC Interface Modules — Isolation and amplification of control signals.
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Conveyor Systems — Controlling motors and signaling devices.
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Process Control Equipment — Activation of solenoids, alarms, and pumps.
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Packaging Machines — Controlling high-power components with low-power signals.
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Lighting & HVAC Control — Switching loads in industrial buildings or factory automation.
5. Product Advantages
The RMBA‑01 offers several benefits:
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Reliable Switching: Electromechanical design ensures consistent operation over millions of cycles.
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Electrical Isolation: Protects control circuits from high-voltage spikes and load interference.
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Compact Design: DIN rail mounting saves space in control cabinets.
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Easy Installation: Plug-in or screw-terminal connections simplify wiring.
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Durable Construction: Flame-retardant housing and robust contacts ensure long service life.
6. Brand Affiliation
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Brand: Global industrial automation and control brand
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Product Series: Relay modules for industrial control and automation
7. Recommended Same Series or Related Models (5)
| Model | Key Parameters | Typical Use Case |
|---|---|---|
| RMBA‑02 | SPDT relay, 24 V DC coil, 10 A contact rating | Higher load applications in industrial control |
| RMBA‑03 | DPDT relay, 24 V DC coil, 5 A contact | Multi-contact switching in automation |
| RMBA‑01‑H | High-temperature rated, –40°C to +70°C | Harsh environment applications |
| RMBA‑04 | DIN rail, 24 V DC coil, LED status indicator | Visual feedback for control panels |
| RMBA‑05 | Same form factor, with surge suppression | Applications requiring voltage spike protection |
8. Recommended Other Popular Models from the Same Brand (5)
| Model | Key Parameters | Typical Use Case |
|---|---|---|
| RMBB‑01 | Relay module, 24 V DC, 5 A SPDT | General industrial automation |
| RMBE‑02 | High-speed relay, 24 V DC, 3 A | Fast switching for process automation |
| RMBF‑01 | Solid-state relay, 24 V DC input, 5 A output | Silent, long-life switching |
| RMBG‑03 | Miniature relay, 12 V DC coil, 2 A | Compact automation circuits |
| RMBC‑04 | Modular relay, DPDT, 24 V DC, LED indicator | Panel feedback and multiple circuit control |
9. FAQ – Common Customer Questions (QA Style)
Q1: What is the function of the RMBA‑01?
A1: It acts as an industrial relay module to switch high-power loads using low-voltage control signals.
Q2: What voltage does the relay coil operate at?
A2: Standard models operate at 24 V DC.
Q3: What is the contact rating?
A3: Typically 250 V AC at 5 A for resistive loads.
Q4: Can it be mounted on a DIN rail?
A4: Yes, it is designed for standard DIN rail mounting.
Q5: Is the relay protected against voltage spikes?
A5: Basic protection is provided; certain models include surge suppression.
Q6: What is the operating temperature range?
A6: –20°C to +60°C; high-temperature variants are available.
Q7: How is the module connected?
A7: Via screw terminals or plug-in connectors for easy wiring.
Q8: How reliable is the switching?
A8: Electromechanical contacts provide millions of switching cycles.
Q9: Can it be used in harsh industrial environments?
A9: Yes, flame-retardant housing and robust design allow safe operation in industrial conditions.
Q10: Can it interface with a PLC?
A10: Yes, it is compatible with PLC outputs for signal isolation and load control.