SIEMENS 3RU6 126-4NB0 THERMAL OVERLOAD RELAY
The Siemens 3RU6 126-4NB0 is a highly reliable thermal overload relay designed to protect motors and electrical equipment from overload damage. Engineered with precision, it offers adjustable current settings and dependable auxiliary contacts for industrial automation systems.
Manufacturer: Siemens
Type: Thermal Overload Relay
Model: 3RU6 126-4NB0
Ref No.: GB/T140484.4
Technical Information
- Operating Voltage Rated Value (Ui): 690 V
- Adjustable Current Response Range: 23 / 28 A
- Electrical Connection: Screw-type Terminals
- Auxiliary Circuit “ AC-15 Operational Current: 4 A @ 24 V, 3 A @ 230 V, 2 A @ 400 V
- Auxiliary Circuit “ DC-13 Operational Current: 1 A @ 24 V, 0.1 A @ 230 V
- Operating Temperature: -40 / +70 °C
- Degree of Protection: IP20
- Dimensions: 85 x 45 x 85 mm












