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Eaton / Cutler-Hammer CHH2100H2X Molded Case Circuit Breaker

  • 100A
  • 2 Pole
  • Bolt-On
Eaton / Cutler-Hammer CHH2100H2X
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU CHH2100H2X
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  • 100A
  • 2 Pole
  • Bolt-On

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Eaton / Cutler-Hammer CHH2100H2X - 100A 2 Pole Molded Case Circuit Breaker

Eaton / Cutler-Hammer CHH2100H2X - 100A 2 Pole Molded Case Circuit Breaker

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$815.20 In Stock

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Description

Built for residential and commercial applications, the CHH2100H2X is a 100A tenant main circuit breaker from Eaton's Cutler-Hammer line. This two-pole breaker installs into Eaton modular metering stacks, including the 1MM, 35MM, 37MM, and 37SS series. Rated at 25 kAIC at 120/240V, it provides essential overcurrent protection and is HACR rated for HVAC equipment. For newer installations or upgrades, this legacy model is replaced by the CVS2100XMM.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Part Number CHH2100H2X
Series CHH
Amperage 100A
Poles 2
Mounting Style Bolt-On
Voltage 120/240VAC
Phase 1
AIC Rating 25kA @ 120/240VAC
Fit and installation
Terminal Type Lugs
For Use With Eaton Modular Metering Stacks (1MM, 35MM, 37MM, 37SS)
Wire Gauge #2 AWG - 300 kcmil (Cu/Al)
Max Wire 300 kcmil
Min Wire #2 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 Shunt Trip, Auxiliary Switch, Alarm Switch
Accessories Load Side Lugs
Standards UL 489, CSA C22.2 No. 5
Approval CSA, UL
Temp Rating 40C
Construction Features HACR Rated, Tenant Main

Product FAQs

6 answers
Which Eaton metering enclosures are compatible with the CHH2100H2X tenant main breaker?

This breaker is specifically designed for use in Eaton 1MM, 35MM, 37MM, and 37SS modular metering stacks. It serves as the main disconnect for individual tenant units in residential or light commercial multi-metering setups.

How is the CHH2100H2X secured inside the metering stack?

It utilizes a bolt-on connection to attach directly to the vertical bus within the tenant breaker compartment. This bolt-on design ensures a secure, high-conductivity connection that resists loosening from thermal cycling.

What protection functions does the LI trip unit provide?

The fixed thermal-magnetic trip unit includes Long-Time (L) and Instantaneous (I) functions. The thermal element protects against sustained overloads, while the magnetic element trips instantaneously to clear severe short circuits.

What wire materials and sizes are supported by the load terminals?

The load side lugs accept both copper (Cu) and aluminum (Al) conductors ranging from #2 AWG to 300 kcmil. Always apply an approved joint compound when terminating aluminum conductors to prevent oxidation.

Is this breaker suitable for standard single-phase residential services?

Yes, it is designed for 1-phase applications and is fully compatible with standard 120/240V AC systems. It provides a 25kA interrupting capacity to safely clear faults in multi-family residential or commercial metering centers.

Can this replace older Cutler-Hammer CHH tenant breakers?

Yes, Eaton acquired Cutler-Hammer and continues to manufacture these breakers to the same specifications. The CHH2100H2X is a direct replacement for older Cutler-Hammer breakers with the exact same catalog number.

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