SIEMENS SENTRON VL1250 MOLDED CASE CIRCUIT BREAKER “ 3VL7 SERIES
The Siemens Sentron VL1250 molded case circuit breaker (MCCB) is engineered for high-performance line protection in industrial power systems. Designed for maximum safety and reliability, it features a robust construction, electronic trip unit, and a high breaking capacity across various voltage levels.
Manufacturer: Siemens
Type: Molded Case Circuit Breaker
Family: Sentron
Series: 3VL
Designation: VL1250
Reference No.: OM-1552018-1M-0045
Size: 3VL7
Order No.: 3VL7 712-1UJ46-0AA0
Consists Of:
1. Siemens 3VL7712-1AA46-0AA0 Circuit Breaker
Type: Basic Breaker
Model: VL1250N
Article No.: 3VL7712-1AA46-0AA0
Number of Poles: 4
Operating Frequency: 50/60 Hz
Rated Surge Voltage Resistance (Uimp): 8 kV
Rated Operational Voltage (Ue): 690 V AC
Rated Insulation Voltage (Ui): 800 V AC
Rated Breaking Capacity (Icu):
– 65 kA at 240V AC
– 55 kA at 415V AC
– 20 kA at 690V AC
Standards: IEC 60947-2 / EN 60947-2
Switching Capacity Class: Normal (N)
Field of Application: Line Protection
Mounting: Fixed
2. Siemens Trip Unit
Type: Overcurrent Trip Unit
Model: ETU40 with LCD Display
Overcurrent Release: Electronic Trip Unit “ ETU
Number of Poles: 4
Rated Current (In): 1250 A
Protective Functions:
L = Overload Protection
S = Delayed Short-Circuit Protection
I = Instantaneous Short-Circuit Protection
N = Neutral Protection
Protection Class: IP20
Dimensions (W x D x H): 306 x 208 x 406.5 mm
Operation Ambient Temperature: -25 / 70 °C












