ABB 1SVR405611R3100 Plug-in miniature interface relay

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1. Product Overview

The ABB 1SVR405611R3100 is a CR‑M series plug-in miniature interface relay. It isolates control system signals (PLC, controller, relay output, etc.) and drives higher-power loads. Compact and pluggable, it is widely used in industrial control panels, production lines, and building automation systems as an intermediate relay.

2. Technical Specifications

• Model: 1SVR405611R3100

• Coil Voltage: 230 V AC, 50/60 Hz

• Contact Type: 2 C/O (SPDT)

• Contact Rating: 250 V AC, 12 A

• Rated Insulation Voltage: 250 V AC

• Protection Degree: IP40

• Mounting: Plug-in socket, DIN rail compatible

• Dimensions: 21.2 × 35.6 × 27.5 mm

• Weight: ~33 g

• Indicator/Test: Built-in LED for coil status, test button for manual contact closure

3. Key Features & Advantages

1. Plug-in design for easy installation and maintenance — no soldering required, allows quick replacement and modular control panel design.

2. High-capacity output contacts — 250 V AC / 12 A, suitable for driving small motors, lights, heaters, pumps, etc.

3. Control and load isolation — separates PLC/low-power signals from high-power loads for safety.

4. Status indication and test convenience — LED indicates coil status; manual test button allows for easy commissioning.

5. Compact size — saves space in control panels, suitable for dense wiring environments.

6. Strong compatibility — part of CR‑M series, compatible with standard sockets, logic modules, RC snubbers, and functional modules.

4. Typical Applications

• Industrial automation control panels and control cabinets

• PLC output driving motors, pumps, fans, valves, lighting, heaters

• HVAC and building automation systems

• Water treatment, chemical, and general industrial equipment

• Intermediate relay in power distribution cabinets for signal isolation and load driving

5. Precautions & Recommendations

1. Confirm socket compatibility and ensure firm mounting before inserting relay.

2. For inductive loads (motors, coils), consider contact life and surge protection.

3. Install in dry, ventilated, and dust-free environment; avoid corrosive gases.

4. Avoid continuous full-load operation; leave safety margin.

5. When using the manual test button, ensure load and power conditions are correct.

6. Plug-in or removal operations must be performed with power off to ensure safety.

The structure and details of the product：

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