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Siemens NNX3B100 Molded Case Circuit Breaker

  • 1000A
  • 3 Pole
  • Bolt-On
Siemens NNX3B100
Molded Case Circuit Breaker
Brand Siemens
SKU NNX3B100
Select Item Condition
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  • 1000A
  • 3 Pole
  • Bolt-On

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Siemens NNX3B100 - 1000A 3 Pole Molded Case Circuit Breaker

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$17,500.00 In Stock

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Description

Designed for the VL Series NG Frame, the Siemens NNX3B100 is a 3-pole, 1000A bolt-on molded case circuit breaker. Built for commercial and industrial environments, it delivers robust overcurrent protection. This non-interchangeable breaker installs into Siemens P4 and P5 panelboards, switchboards, and motor control centers. It supports reverse feed applications and is replaced by the 3VA6610-5HN31-0AA0 using a mounting strap kit.

Specifications

Key specifications
Brand Siemens
Series VL
Amperage 1000A
Poles 3
Mounting Style Bolt-On
Voltage 240VAC, 480VAC, 600VAC, 500VDC
Phase 3
AIC Rating 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 35kA @ 500VDC
Fit and installation
Frame Type ND
Terminal Type Lugs
For Use With Siemens P4 Panelboards, Siemens P5 Panelboards, Siemens Switchboards, Motor Control Centers
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Adjustable Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle
Accessories Lugs Not Included
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval CE, CSA, IEC, NOM, UL
Temp Rating 40C
Construction Features HACR Rated, Non-Interchangeable Trip, Reverse Feed

Product FAQs

6 answers
What equipment is compatible with the Siemens NNX3B100?

This bolt-on breaker is designed for installation in Siemens P4 and P5 panelboards, Siemens switchboards, and motor control centers.

What is the modern replacement for the NNX3B100?

The NNX3B100 is replaced by the Siemens 3VA6610-5HN31-0AA0. A mounting strap kit is required to install the newer 3VA series breaker in existing enclosures.

Are terminal lugs included with the NNX3B100?

No, terminal lugs are not included with this breaker. You must source the appropriate lug kits separately based on your conductor size and material.

What type of trip unit does the NNX3B100 use?

It features a non-interchangeable thermal magnetic trip unit with fixed thermal and adjustable magnetic settings, providing long-time and instantaneous (LI) protection.

What frame group does the NNX3B100 belong to?

The NNX3B100 is part of the Siemens VL Series frame group. It is built on a 1200A maximum frame size, though this specific unit is rated for 1000A.

Is the NNX3B100 suitable for reverse feed applications?

Yes, this breaker supports reverse feed applications, allowing it to be back-fed when installed in compatible panelboards or switchboards.

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