Eaton / Cutler-Hammer QBH2100 Miniature Circuit Breaker
- 100A
- 2 Pole
- Bolt-On
Quantity
Eaton / Cutler-Hammer QBH2100 - 100A 2 Pole Miniature Circuit Breaker
New
Quantity
Description
Serving both residential and commercial electrical systems, this 100-amp component provides essential overcurrent protection. It features a standard 10kA interrupt rating suitable for everyday applications. The unit mounts securely into legacy Commander B/BC, CEB, and Sylvania bolt-on load centers. It acts as an exact replacement for older installations requiring a reliable bolt-on connection.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | QBH |
| Amperage | 100A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | QBH |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | Commander B/BC Load Centers, CEB Load Centers, Sylvania Bolt-On Load Centers |
| Wire Gauge | 10-2 AWG (Cu), 10-1 AWG (Al) |
| Max Wire | 1 AWG |
| Min Wire | 10 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Padlock Attachment, Handle Lock |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Common Trip, Non-Interchangeable Trip, Quick-Make/Quick-Break |
Product FAQs
5 answersWhich load centers are compatible with the QBH2100 circuit breaker?
This breaker is designed to fit classic Commander B/BC, CEB, and Sylvania bolt-on load centers. It serves as a direct replacement for vintage panels requiring a 3/4-inch form factor per pole.
Does the QBH2100 replace older Commander or Sylvania breakers?
Yes, Eaton manufactures the QBH series to directly replace legacy Commander, CEB, and Sylvania bolt-on breakers. Eaton owns these vintage designs and continues to produce the QBH line as an exact aftermarket replacement.
Is the QBH2100 circuit breaker HACR rated?
Yes, this breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment. It is also electronically calibrated for 40 degrees Celsius applications.
What wire sizes are accepted by the box lugs on the QBH2100?
The terminal assembly is approved for both copper and aluminum conductors. It accepts 10 to 2 AWG copper wire or 10 to 1 AWG aluminum wire. The terminal screws are backed out from the factory to allow for faster wire insertion during installation.
What type of trip mechanism does the QBH2100 utilize?
It features a thermal-magnetic trip unit with fixed long-time and instantaneous functions. It includes a calibrated one-piece bimetal for reliable thermal tripping, a magnetic assembly for short circuit protection, and an internal common trip mechanism to ensure both poles trip simultaneously.
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