Protection & Control Contactors & Accessories

Siemens 3RB2056-1FC2 Overload Relay

Name: SIEMENS 3RB2056-1FC2 OVERLOAD RELAY
SKU: 1059456
Availability: LimitedAvailability

siemens-3RB2056-1FC2-overload-relay-(used)

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siemens-3RB2056-1FC2-overload-relay-(used)-2

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Used

Available on request

The Siemens 3RB2056-1FC2 provides reliable solid-state motor protection with 1000V insulation, 1NO/1NC contacts, 10KA short circuit capacity, and a wide operating power range.

Manufacturer

SIEMENS

SKU

1059456

Siemens 3RB2056-1FC2 Overload Relay

The Siemens 3RB2056-1FC2 Overload Relay is a solid-state overload relay designed for protecting electrical circuits, particularly motors, from overload conditions. With a high-rated insulation voltage of 1000V and a rated impulse withstand voltage of 8KV, this relay is built for reliable operation in harsh electrical environments. It features 1NO/1NC contacts and can handle a thermal current of up to 200A, making it ideal for use in industrial applications. The relay is suitable for use with both AC and DC circuits, and its short circuit capacity is 10KA at 600V.

Manufacturer: Siemens
Type: Overload Relay
Model: 3RB2056-1FC2

Technical Specifications:

Product Designation: Solid-state overload relay
Rated Insulation Voltage (Ui): 1000V, 50/60Hz
Rated Impulse-Withstand Voltage (Uimp): 8KV
Current AC15: 4A at 24V, 3A at 250V
Current DC13: 2A at 24V, 0.11A at 250V
Contacts: 1NO/1NC
Thermal Current: 200A
Short Circuit Capacity: 10KA, 600V
Auxiliary Contact: B600/R300
Operating Power:
- For 3-phase motors at 400V at 50Hz: 30 … 90 kW
- For AC motors at 500V at 50Hz: 30 … 132 kW
- For AC motors at 690V at 50Hz: 55 … 160 kW
Type of Electrical Connection:
- For main current circuit: Busbar connection
- For auxiliary and control circuits: Screw-type terminals
Tightening Torque:
- For main contacts: 10 … 12 N·m
- For auxiliary contacts: 0.8 … 1.2 N·m
Thread Type:
- For main contacts: M8
- For auxiliary and control contacts: M3
Number of Poles: 3
Display Version for Switching Status: Slide switch
Protection Class IP: IP00; IP20
Ambient Temperature: -25 / 60 °C
Dimensions (H x W x D): 119 x 120 x 155 mm

The Siemens 3RB2056-1FC2 Overload Relay is an essential component for motor protection, ensuring reliable and effective overload protection in industrial circuits. Its high current handling and robust design make it suitable for a wide range of motor-driven applications in industrial environments.