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Siemens QS2100 Miniature Circuit Breaker

  • 100A
  • 2 Pole
  • Plug-On
Siemens QS2100
Miniature Circuit Breaker
Brand Siemens
SKU QS2100
Select Item Condition
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  • 100A
  • 2 Pole
  • Plug-On

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Siemens QS2100 - 100A 2 Pole Miniature Circuit Breaker

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$176.74 In Stock

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Description

Built for multi-family residential and commercial applications, the Siemens QS2100 serves as a 100A main breaker for Power Mod meter stacks and Uni-PAK metering systems. It installs seamlessly into compatible enclosures and serves as a direct replacement for legacy Murray MD2100 breakers. Rated at 10 kAIC, this two-pole plug-on device features an exclusive side-wired design with right-hand bend wiring, eliminating difficult S-bends and saving valuable gutter space during installation.

Specifications

Key specifications
Brand Siemens
Part Number QS2100
Series QS
Amperage 100A
Poles 2
Mounting Style Plug-On
Voltage 120/240VAC
Phase 1
AIC Rating 10kA @ 120/240VAC
Fit and installation
Frame Type Q
Terminal Type Lugs
For Use With Siemens Power Mod Meter Stacks, Uni-PAK Metering, Legacy Murray Load Centers
Wire Gauge 3 AWG - 300 kcmil (Cu/Al)
Max Wire 300 kcmil
Min Wire 3 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed
Standards and features
Available Options Padlock Attachment
Accessories Load Side Lugs Included
Standards UL 489, CSA C22.2 No. 5
Approval CSA, UL
Temp Rating 40C
Construction Features HACR Rated, Reverse Feed, Main Breaker, Common Trip

Product FAQs

5 answers
What metering equipment is compatible with the QS2100?

The QS2100 is designed for use as a main breaker in Siemens Power Mod meter stacks and Uni-PAK metering systems, as well as legacy Murray load centers.

Can the Siemens QS2100 replace legacy Murray main breakers?

Yes, the QS2100 serves as a direct replacement for legacy Murray MD2100 main breakers.

Is the Siemens QS2100 the same as the ITE QS2100?

Yes. Siemens acquired ITE, so the current Siemens QS2100 is the direct equivalent and replacement for the legacy ITE QS2100.

How does the side-wired design of the QS2100 benefit installation?

The breaker features an exclusive side-wired design with single right-hand bend wiring. This eliminates difficult S-bends, saving valuable gutter space and reducing wire bending time during installation.

Is the QS2100 suitable for HVAC and reverse feed applications?

Yes, the QS2100 is HACR rated for heating, air conditioning, and refrigeration equipment. It is also approved for reverse feed applications.

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