Description
Siemens 3VU1600-1MQ00 Motor Protection Circuit Breaker (28-40A)
The Siemens 3VU1600-1MQ00 is a safe and reliable 3-pole Motor Protection Circuit Breaker (MPCB). It is built for industrial use and plant safety. Specifically, this manual starter protects heavy-duty three-phase electric motors from common electrical faults. Because the 3VU series is an old and discontinued line, finding genuine units is very important. Therefore, using this exact part allows you to fix your current control panels without a costly system rebuild.
Key Features and Protective Functions
First, the Siemens 3VU1600-1MQ00 offers strong safety features to stop motor burnouts and reduce factory downtime. For example, it includes these main functions:
- Adjustable Overload Protection: As a result, you can change the thermal setting range from 28.0 to 40.0 Amps.
- Fast Short-Circuit Trip: In addition, a quick safety switch triggers instantly at 480 Amps.
- Phase-Loss Protection: Furthermore, it cuts power to all three poles if a single phase drops to protect the motor wires.
- Built-in Extra Contacts: Finally, it contains 1 NO (Normally Open) and 1 NC (Normally Closed) contact for remote warning signs.
Technical Specifications
Next, make sure this unit matches your current machine setup. In short, here are the main technical facts for the Siemens 3VU1600-1MQ00:
- Poles: 3-Pole (3P)
- Maximum Voltage: 600V AC (50/60 Hz)
- Mounting Type: Fits on a standard 35mm DIN rail
- Connection Type: Strong screw terminals
- Control Switch: Simple manual toggle switch (ON/OFF)
Why Source This Legacy Siemens MPCB?
In conclusion, swapping a broken breaker with the exact Siemens 3VU1600-1MQ00 model saves time. Consequently, you do not need to change your box wires or alter your rail layouts. Thus, this unit is perfect for quick repairs on old factory lines, pump systems, and conveyor belts.






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