Siemens Motor Circuit Breaker 2–3.2A with 1NO+1NC Auxiliary Contact (Model / SKU: 3MV8100-1NH00)
₦239,811.00
Compact motor circuit breaker with adjustable current range of 2–3.2 A, designed for precise protection of low-power motors.
Provides integrated overload and short-circuit protection with built-in 1NO + 1NC auxiliary contacts.
Screw terminal connections ensure secure and reliable installation in control panels.
The Siemens 3MV8100-1NH00 motor circuit breaker is specifically designed for the protection of small three-phase motors operating within the 2–3.2 A current range. It combines thermal overload protection with magnetic short-circuit tripping to ensure rapid fault isolation while maintaining stable performance under normal operating conditions. The adjustable current setting allows accurate matching to motor ratings, improving protection reliability and extending equipment life.
This model features integrated auxiliary contacts (1NO + 1NC), enabling effective signaling, interlocking, and control circuit integration. Its compact design supports efficient use of panel space, while the screw terminal configuration provides robust and maintenance-friendly wiring. The breaker is well-suited for industrial control panels and motor starter applications where dependable low-current motor protection is required.
Typical Applications
• Protection of small three-phase motors
• Control panels and motor starter assemblies
• Pumps, fans, and low-power drive systems
• Conveyor and automation systems
• HVAC and auxiliary motor circuits
| manufacturer | siemens |
|---|---|
| model | 3MV8100-1NH00 |
| weight | Approx. 0.35 kg |
| Rated Voltage | Up to 690 V AC |
| Rated current | Adjustable 2 – 3.2 A |
| motor power/Rated power | Up to 1.1 kW @ 400 V |
| control Voltage | N/A (manual operation) |
| Number of poles | 3 poles |
| Auxilary contact | 1 NO + 1 NC |
| Mounting Type | DIN rail / Panel mounting |
| Frequency | 50 / 60 Hz |
| protection class | IP 20 |
| Operating temperature | -20°C to +60°C |
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