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Siemens NEB3B040 3-Pole 40A Molded Case Circuit Breaker 600V 35kA Thermal-Magnetic Bolt-On
- Regular price
- $2,177.00
- Sale price
- $2,177.00
- Regular price
-
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Product Description P/N: NEB3B040
Description
The Siemens NEB3B040 is a 3-pole molded case circuit breaker designed for branch and feeder circuit protection in industrial power distribution systems. Rated at 40 A with a maximum operating voltage of 600 V, it features thermal-magnetic protection and an interrupting capacity of 35 kA at 480 V. The breaker uses a bolt-on connection style, allowing secure installation within compatible Siemens panelboards and switchgear.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Circuit Protection |
| Part Number | NEB3B040 |
| Subcategory | Molded Case Circuit Breakers |
| Breaker Type | Molded Case Circuit Breaker (MCCB) |
| Series / Type | NEB |
| Number of Poles | 3 Pole |
| Phase | 3 Phase |
| Rated Current | 40 A |
| Rated Voltage | 600 V AC |
| Interrupting Capacity | 35 kA at 480 V |
| Protection Type | Thermal Magnetic |
| Trip Functions | LI – Long-Time and Instantaneous |
| Connection Type | Bolt-On |
| Application | Industrial and commercial power distribution |
| Weight | 3 lb |
Information About NEB3B040
The NEB3B040 is part of the Siemens NEB series molded case circuit breakers engineered for dependable protection of electrical distribution circuits. It incorporates thermal-magnetic trip technology that combines long-time overload protection with instantaneous short-circuit interruption. The breaker is configured with three poles for use in three-phase power systems commonly found in industrial and commercial facilities. With its bolt-on mounting design and high interrupting capacity, the device integrates easily into distribution panels while ensuring reliable protection for electrical equipment and wiring.
Key Features:
- 40 Amp Current Rating: Designed to protect branch and feeder circuits carrying up to 40 A.
- 3-Pole Configuration: Suitable for three-phase power distribution systems.
- Thermal-Magnetic Trip Unit: Provides long-time overload protection and instantaneous short-circuit response.
- LI Protection Functions: Includes long-time and instantaneous protection modes.
- 35 kA Interrupting Capacity: Rated for 35 kA AIC at 480 V for high fault interruption capability.
- 600 V Voltage Rating: Suitable for medium-voltage low-voltage distribution networks.
- Bolt-On Mounting Style: Ensures secure mechanical and electrical connection in Siemens panelboards.
- NEB Series Breaker Design: Built for compatibility with Siemens distribution equipment.
- Industrial Circuit Protection: Used for protecting motors, feeders, and distribution circuits.
The NEB3B040 delivers the reliability and precision required for branch circuit protection and fault interruption in industrial electrical distribution systems.
Description
The Siemens NEB3B040 is a 3-pole molded case circuit breaker designed for branch and feeder circuit protection in industrial power distribution systems. Rated at 40 A with a maximum operating voltage of 600 V, it features thermal-magnetic protection and an interrupting capacity of 35 kA at 480 V. The breaker uses a bolt-on connection style, allowing secure installation within compatible Siemens panelboards and switchgear.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Circuit Protection |
| Part Number | NEB3B040 |
| Subcategory | Molded Case Circuit Breakers |
| Breaker Type | Molded Case Circuit Breaker (MCCB) |
| Series / Type | NEB |
| Number of Poles | 3 Pole |
| Phase | 3 Phase |
| Rated Current | 40 A |
| Rated Voltage | 600 V AC |
| Interrupting Capacity | 35 kA at 480 V |
| Protection Type | Thermal Magnetic |
| Trip Functions | LI – Long-Time and Instantaneous |
| Connection Type | Bolt-On |
| Application | Industrial and commercial power distribution |
| Weight | 3 lb |
Information About NEB3B040
The NEB3B040 is part of the Siemens NEB series molded case circuit breakers engineered for dependable protection of electrical distribution circuits. It incorporates thermal-magnetic trip technology that combines long-time overload protection with instantaneous short-circuit interruption. The breaker is configured with three poles for use in three-phase power systems commonly found in industrial and commercial facilities. With its bolt-on mounting design and high interrupting capacity, the device integrates easily into distribution panels while ensuring reliable protection for electrical equipment and wiring.
Key Features:
- 40 Amp Current Rating: Designed to protect branch and feeder circuits carrying up to 40 A.
- 3-Pole Configuration: Suitable for three-phase power distribution systems.
- Thermal-Magnetic Trip Unit: Provides long-time overload protection and instantaneous short-circuit response.
- LI Protection Functions: Includes long-time and instantaneous protection modes.
- 35 kA Interrupting Capacity: Rated for 35 kA AIC at 480 V for high fault interruption capability.
- 600 V Voltage Rating: Suitable for medium-voltage low-voltage distribution networks.
- Bolt-On Mounting Style: Ensures secure mechanical and electrical connection in Siemens panelboards.
- NEB Series Breaker Design: Built for compatibility with Siemens distribution equipment.
- Industrial Circuit Protection: Used for protecting motors, feeders, and distribution circuits.
The NEB3B040 delivers the reliability and precision required for branch circuit protection and fault interruption in industrial electrical distribution systems.