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3RU6126-1CB0

The Siemens 3RU6126-1CB0 is a motor protection relay used to protect motors from overloads, phase failures, and other motor faults that could lead to damage. It is part of the Siemens 3RU61 series, which offers a high degree of protection and ensures reliable motor operation in various industrial applications.

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Siemens 3RU6126-1CB0 Motor Protection Relay - Technical Parameters
Rated Operational Current (Ie):

5.6 A to 8.0 A

Rated Operational Voltage (Ue):

AC: Up to 690 V

DC: 250 V

Rated Frequency (f):

50/60 Hz

Adjustable Overload Protection Setting:

Current range: 5.6 A to 8.0 A

Adjustable thermal overload protection (with Class 10, 20, or other settings)

Overload Protection:

Provides protection for motors from damage due to overload conditions

Protection Features:

Phase Failure Detection

Phase Sequence Monitoring

Phase Imbalance Monitoring

Thermal Time-Current Characteristic (Trip Class):

Class 10 (Standard)

Adjustable trip time based on current

Auxiliary Contacts:

1 NO (Normally Open)

1 NC (Normally Closed)

Optional for signaling

Mounting Type:

DIN Rail Mounting or Screw Mounting

Ambient Temperature Range:

-25°C to +60°C

Degree of Protection (IP Rating):

IP20 (protection against contact with solid objects >12 mm, indoor use only)

Mechanical Design:

Compact Dimensions:

Width: 45 mm

Height: 77 mm

Depth: 104 mm

Weight: Approx. 0.15 kg

Certifications:

CE

UL Listed (for motor protection devices)

Connection Terminals:

Suitable for screw connection with standard wiring for ease of integration

Application Type:

Suitable for use with three-phase motors in industrial and automation systems