Eaton HMCP100R1C Cutler-Hammer HMCP Series Thermal Magnetic Circuit Breakers

Eaton HMCP100R1C / Cutler-Hammer HMCP Series – Technical Specifications

1. Product Identification

Manufacturer: Eaton / Cutler-Hammer

Series: HMCP (Heavy Molded Case Protector)

Model: HMCP100R1C

100 = 100A current rating

R = Thermal-magnetic trip

1 = 1-pole configuration

C = Design series

2. Electrical Ratings

Parameter Specification

Rated Current 100A

Poles 1P (single pole)

Voltage Rating 120/240V AC, 250V DC

Interrupting Capacity 18kA @ 120V AC, 10kA @ 240V AC

Trip Type Thermal-Magnetic

Standards UL 489, CSA C22.2 No. 5

3. Mechanical Features

Terminals: Accepts #4 - 1/0 AWG copper conductors

Torque: 35 lb-in (4 Nm)

Mounting: Fixed or plug-in (panel dependent)

Width: 1" per pole (standard single-pole size)

4. Trip Characteristics

Thermal Trip:

135% of rating: trips in <1 hour

300% of rating: trips in 4-10 seconds

Magnetic Trip: Instantaneous at 800-1200% of rating

5. Typical Applications

Single-phase motor protection

Lighting panel protection

HVAC equipment

Industrial control circuits

6. Accessories

Shunt Trip: MX100R1C

Auxiliary Switch: OF100R1C

Undervoltage Release: UV100R1C

7. Comparison to Similar Models

Model Poles Protection AIC Rating Best For

HMCP100R1C 1P Thermal-Magnetic 18kA @ 120V Single-phase circuits

HMCP100R3C 3P Thermal-Magnetic 65kA @ 480V 3-phase motors

GJL100 1P Thermal-Magnetic 10kA @ 120V General purpose

8. Installation Notes

For motor protection, must comply with NEC Article 430

Not suitable for use as a service disconnect

Ambient temperature range: -40°C to +60°C

9. Ordering Information

Current Catalog Number: HMCP100R1C

Replacement: Still in production

Cross Reference: Cutler-Hammer HMCP100R1C