NGB3B070 | Siemens 3-Pole 70A 480V Molded Case Circuit Breaker
Siemens · Circuit Breakers & Protection
Description The Siemens NGB3B070 is a 3-pole molded case circuit breaker designed for reliable circuit protection in three-phase systems. Rated at 70 amps and 480 volts, this breaker provides dependable overcurrent and short-circuit protection in industrial and commercial panelboard applications. Built with thermal magnetic trip technology, the NGB3B070 ensures consistent performance and safe power distribution. Technical Specifications Condition New/Never Used Surplus Brand Siemens Category Circuit Protection Part Number NGB3B070 Subcategory Molded Case Circuit Breaker Series VL Series Frame Type GB Type NGB Poles 3 Amperage 70A Voltage Rating 480V Phase 3 Interrupting Rating (AIC) 25kA @ 480V Trip Type Thermal Magnetic Trip Functions Long-Time and Instantaneous Mounting Type Panel Mounted / Bolt-On Terminal Connection Load Side Lug Connection Type Bolt-On Certifications UL Listed, CSA Certified Standards Compliance NGB Series, HACR Rated Dimensions (HxWxD) 3" x 5.54" x 2.8" Weight 0.85 lbs Information About NGB3B070 The NGB3B070 is part of Siemens’ VL Series of molded case circuit breakers, offering compact, high-performance protection solutions for demanding electrical environments. This unit features a GB frame design and utilizes long-time and instantaneous trip functions for precise overload and fault interruption. With an interrupting capacity of 25kA at 480V, it is ideal for use in heavy-duty power panels and equipment distribution. Its bolt-on mounting and load-side lug terminals provide secure installation and simplified service in industrial switchgear systems. Key Features: Thermal Magnetic Trip Unit: Combines long-time and instantaneous trip functions for accurate overload and short-circuit protection. High Interrupting Capacity: Rated 25kA at 480V for robust fault-handling performance. 3-Pole Design: Supports three-phase electrical systems for balanced load management. Bolt-On Connection: Ensures firm mechanical mounting and reliable current transfer. Compact Frame: Space-saving GB frame fits efficiently in modern panelboards. UL and CSA Certified: Complies with recognized safety and performance standards. Panel Mount Compatibility: Designed for use in Siemens VL Series panels and reverse-feed applications. Durable Construction: Engineered for consistent operation under industrial environmental conditions. The NGB3B070 delivers the reliability and precision required for efficient power distribution and fault protection in commercial and industrial systems.
Brand: Siemens · Category: Circuit Breakers & Protection
Key features
- Thermal Magnetic Trip Unit: Combines long-time and instantaneous trip functions for accurate overload and short-circuit protection.
- High Interrupting Capacity: Rated 25kA at 480V for robust fault-handling performance.
- 3-Pole Design: Supports three-phase electrical systems for balanced load management.
- Bolt-On Connection: Ensures firm mechanical mounting and reliable current transfer.
- Compact Frame: Space-saving GB frame fits efficiently in modern panelboards.
- UL and CSA Certified: Complies with recognized safety and performance standards.
- Panel Mount Compatibility: Designed for use in Siemens VL Series panels and reverse-feed applications.
- Durable Construction: Engineered for consistent operation under industrial environmental conditions.
Specifications
| Manufacturer part number | NGB3B070 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Circuit Protection |
| Part Number | NGB3B070 |
| Subcategory | Molded Case Circuit Breaker |
| Series | VL Series |
| Frame Type | GB |
| Type | NGB |
| Poles | 3 |
| Amperage | 70A |
| Voltage Rating | 480V |
| Phase | 3 |
| Interrupting Rating (AIC) | 25kA @ 480V |
| Trip Type | Thermal Magnetic |
| Trip Functions | Long-Time and Instantaneous |
| Mounting Type | Panel Mounted / Bolt-On |
| Terminal Connection | Load Side Lug |
| Connection Type | Bolt-On |
| Certifications | UL Listed, CSA Certified |
| Standards Compliance | NGB Series, HACR Rated |
| Dimensions (HxWxD) | 3" x 5.54" x 2.8" |
| Weight | 0.85 lbs |
| Product type | Molded Case Circuit Breakers |
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