Eaton / Cutler-Hammer CVS3125X Molded Case Circuit Breaker
- 125A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
CVS3125X
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
CVS3125X
Quantity
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Eaton / Cutler-Hammer CVS3125X - 125A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial facilities, the Eaton CVS3125X delivers reliable thermal-magnetic protection in a compact CV frame. This 125-amp, three-pole breaker is optimized for use as a tenant main disconnect. It mounts securely into Eaton group metering stacks via bolt-on terminals and accepts #6 AWG to 4/0 kcmil wiring. Additionally, it replaces older CHH series breakers. Rated at 42kAIC at 240VAC, it provides excellent short-circuit protection and carries a standard HACR rating.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CVS3125X |
| Series | CVS |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC |
| Frame Type | CVS |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Group Metering Stacks |
| Wire Gauge | #6 AWG - 4/0 kcmil (Cu/Al) |
| Max Wire | 4/0 kcmil |
| Min Wire | 6 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Tenant Main, HACR Rated, High Interrupting Capacity |
Product FAQs
6 answersWhat equipment is the Eaton CVS3125X designed to fit?
This breaker is engineered specifically for use as a tenant main disconnect in Eaton group metering stacks and modular metering equipment.
What does the X suffix in the CVS3125X catalog number indicate?
The X signifies that the breaker is supplied with load side lugs only. The line side is designed to bolt directly to the bus inside the metering stack.
Can the CVS3125X replace older Cutler-Hammer tenant main breakers?
Yes, this CV frame breaker is a direct replacement for older or discontinued CHH series tenant main breakers used in compatible Eaton and Cutler-Hammer metering stacks.
How are the conductors terminated on the CVS3125X?
The line side features a bolt-on connection that mounts directly to the metering stack bus. The load side includes lugs that accept 6 AWG to 4/0 kcmil copper or aluminum wire.
Is the CVS3125X suitable for HVAC applications?
Yes, this breaker carries a standard HACR rating, making it safe and approved for use with heating, air conditioning, and refrigeration equipment motor loads.
What type of trip unit is used in the CVS3125X?
It features a non-interchangeable thermal magnetic trip unit with fixed long-time and instantaneous functions to protect against both sustained overloads and sudden short circuits.
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