Description
The Siemens NNX3B100 is a high-capacity molded case circuit breaker designed for reliable protection in industrial and commercial power distribution systems. With a 1000 amp rating and robust interrupting performance, it ensures safe handling of overloads and short circuits. This breaker is engineered for three-phase applications requiring dependable circuit control and fault protection.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Part Number |
NNX3B100 |
| Category |
Circuit Breaker |
| Subcategory |
Molded Case Circuit Breaker |
| Product Type |
Molded Case Circuit Breaker |
| Series |
VL Series |
| Frame Size |
1200 A |
| Current Rating |
1000 A |
| Voltage Rating |
600 VAC |
| Poles |
3 Pole |
| Phase |
3 Phase |
| Interrupting Rating |
35 kA @ 480 VAC |
| Trip Unit |
Thermal Magnetic |
| Functions |
LI (Long-Time and Instantaneous) |
| Mounting Type |
Bolt-On |
| Frequency |
50/60 Hz |
| Temperature Range |
-25°C to +70°C |
| Application |
Industrial power distribution |
| Note |
Lugs not included |
| Weight |
65 lbs |
Information About
NNX3B100
The NNX3B100 is a Siemens circuit breaker from the VL series, designed for global non-interchangeable applications in low-voltage power distribution. It features a 3-pole configuration and is built on a 1200 amp frame, allowing it to handle high current loads with structural durability. The breaker uses a thermal magnetic trip unit, providing both long-time and instantaneous protection for enhanced system safety. Designed for bolt-on mounting, it integrates into panelboards and switchgear systems, making it suitable for industrial environments operating at up to 600 VAC.
Key Features:
- 1000 Amp Current Rating: Supports high-load electrical distribution systems
- 3-Pole Configuration: Designed for three-phase power applications
- 35 kA Interrupting Capacity: Provides reliable fault protection at 480 VAC
- VL Series Design: Compatible with Siemens global non-interchangeable breaker systems
- Thermal Magnetic Trip Unit: Ensures accurate overload and short-circuit protection
- Bolt-On Mounting: Enables secure installation in panelboards and switchgear
- 1200A Frame Size: Offers durability and flexibility for heavy-duty applications
- Wide Frequency Support: Operates at 50/60 Hz for global system compatibility
The NNX3B100 delivers the reliability and precision required for high-capacity circuit protection in industrial and commercial electrical systems.