Siemens Motor Circuit Breaker 3.2–5A with 1NO+1NC Auxiliary Contact (Model / SKU: 3MV8100-1NJ00)
₦239,811.00
Motor circuit breaker with adjustable current range of 3.2–5 A for reliable protection of small motors.
Features integrated overload and short-circuit protection with 1NO + 1NC auxiliary contacts for control signaling.
Compact unit with screw terminals ensures secure wiring in industrial control panels.
The Siemens 3MV8100-1NJ00 motor circuit breaker is designed to protect low-power three-phase motors operating within the 3.2–5 A range. It integrates thermal overload and magnetic short-circuit protection to ensure rapid and accurate fault response, minimizing equipment damage and downtime. The adjustable current setting allows precise alignment with motor full-load current, improving protection performance.
This breaker includes built-in auxiliary contacts (1NO + 1NC), enabling effective integration into control systems for status indication, interlocking, and automation functions. Its compact construction supports efficient panel design, while screw terminal connections provide dependable and maintenance-friendly installation. The device is suitable for use in industrial environments requiring reliable motor protection.
Typical Applications
• Protection of small three-phase motors
• Motor starter panels and control systems
• Pumps, fans, and light-duty machinery
• Conveyor and automation equipment
• HVAC and auxiliary motor circuits
| manufacturer | siemens |
|---|---|
| model | 3MV8100-1NJ00 |
| weight | Approx. 0.35 kg |
| Rated Voltage | Up to 690 V AC |
| Rated current | Adjustable 3.2 – 5 A |
| motor power/Rated power | Up to 2.2 kW @ 400 V |
| control Voltage | N/A (manual operation) |
| Number of poles | 3 poles |
| Auxilary contcts | 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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