NMX3B800 | Siemens 800A 3-Pole 600VAC Thermal Magnetic Molded Case Circuit Breaker
Siemens · Circuit Breakers & Protection
Description The Siemens NMX3B800 is a 3-pole thermal magnetic molded case circuit breaker designed for reliable protection of electrical systems up to 800 Amps and 600VAC. It provides dependable overcurrent and short-circuit protection with a 50kA interrupting rating at 480V. Built for industrial and commercial installations, the NMX3B800 ensures stable performance under demanding operating conditions. Technical Specifications Condition New/Never Used Surplus Brand Siemens Category Power Distribution Part Number NMX3B800 Subcategory Molded Case Circuit Breaker Series VL Series Type MG Type Amperage Rating 800A Voltage Rating 600VAC Interrupting Rating 50kAIC at 480V Poles 3 Phase 3 Trip Unit Thermal Magnetic (Long-Time and Instantaneous) Mounting Type Fixed Connection Type Bolt-On Frame Type MD / 3VL6 Enclosure Type IP20 Frequency Rating 50/60 Hz Temperature Rating 40°C Country of Origin Mexico Dimensions (H x W x D) 406 mm x 190 mm x 151 mm Weight 19 lbs (approx.) Information About NMX3B800 The NMX3B800 is part of Siemens’ VL Series molded case circuit breakers, known for their robust construction and high interrupting capacity. It features a thermal magnetic trip unit that offers both long-time and instantaneous protection functions, ensuring precise control over overload and fault currents. With its bolt-on connection and fixed mounting design, the unit simplifies installation in standard panel systems. Engineered for use in three-phase power distribution, it meets stringent industrial safety standards and operates efficiently within a 40°C temperature rating. Key Features: Rated Current: 800A continuous current capacity for heavy-duty circuit protection. Voltage Rating: Supports up to 600VAC for broad industrial and commercial use. Interrupting Capacity: 50kAIC at 480V for enhanced fault-clearing performance. Trip Unit Type: Thermal magnetic trip providing long-time and instantaneous protection. Pole Configuration: 3-pole design suitable for three-phase systems. Mounting Type: Fixed bolt-on connection for stable and secure installation. Frame Type: MD frame for reliable mechanical strength and consistent performance. Operating Temperature: Rated for 40°C ambient environments for dependable operation. The NMX3B800 delivers the reliability and precision required for industrial power distribution and system protection applications.
Brand: Siemens · Category: Circuit Breakers & Protection
Key features
- Rated Current: 800A continuous current capacity for heavy-duty circuit protection.
- Voltage Rating: Supports up to 600VAC for broad industrial and commercial use.
- Interrupting Capacity: 50kAIC at 480V for enhanced fault-clearing performance.
- Trip Unit Type: Thermal magnetic trip providing long-time and instantaneous protection.
- Pole Configuration: 3-pole design suitable for three-phase systems.
- Mounting Type: Fixed bolt-on connection for stable and secure installation.
- Frame Type: MD frame for reliable mechanical strength and consistent performance.
- Operating Temperature: Rated for 40°C ambient environments for dependable operation.
Specifications
| Manufacturer part number | NMX3B800 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Power Distribution |
| Part Number | NMX3B800 |
| Subcategory | Molded Case Circuit Breaker |
| Series | VL Series |
| Type | MG Type |
| Amperage Rating | 800A |
| Voltage Rating | 600VAC |
| Interrupting Rating | 50kAIC at 480V |
| Poles | 3 |
| Phase | 3 |
| Trip Unit | Thermal Magnetic (Long-Time and Instantaneous) |
| Mounting Type | Fixed |
| Connection Type | Bolt-On |
| Frame Type | MD / 3VL6 |
| Enclosure Type | IP20 |
| Frequency Rating | 50/60 Hz |
| Temperature Rating | 40°C |
| Country of Origin | Mexico |
| Dimensions (H x W x D) | 406 mm x 190 mm x 151 mm |
| Weight | 19 lbs (approx.) |
| Product type | Molded Case Circuit Breaker |
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