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3RH1131-1HB40

The Siemens 3RH1131-1HB40 is a high-performance contactor relay from the SIRIUS 3RH series, designed for motor control and power switching in industrial automation. It combines compact design with high switching capacity, making it ideal for demanding applications in machinery, HVAC, and power distribution.

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TEL：400-887-3214
Mail：jilineasyyi@outlook.com
Q Q：615739355
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Key Features & Specifications
1. Electrical Parameters
Rated Operational Current (Ie): 9A (AC-1), 5.5A (AC-3)

Rated Insulation Voltage (Ui): 690V AC

Coil Voltage: 24V DC (other voltages available)

Switching Capacity:

AC-1: 2.2 kW (240V AC)

AC-3: 3 kW (400V AC)

2. Contact Configuration
Main Contacts: 4 NO (Normally Open)

Auxiliary Contacts: 2 NO + 2 NC (expandable with snap-on modules)

3. Mechanical & Mounting
Mounting: DIN Rail (35mm) or Panel Mount

Terminals: Screw-type, accepts 0.5–4 mm² conductors

Protection Degree: IP20 (finger-safe terminals)

Mechanical Life: 10 million operations

Electrical Life: 100,000 operations (AC-3)

4. Special Features
Modular Design: Supports auxiliary contacts, timers, and interlocks

LED Status Indicator: Optional for visual feedback

Surge Suppression: Protects coil from voltage spikes

5. Standards & Certifications
IEC/EN 60947-4-1 (Contactors and motor starters)

UL 508 (Industrial control equipment)

CE, RoHS, cULus

Typical Applications
✔ Motor Control (Pumps, Fans, Compressors)
✔ Industrial Automation (PLC interfaces, control circuits)
✔ HVAC Systems
✔ Lighting Control
✔ Power Distribution Panels