Refrigeration
Compressor, KCE444HAG, 3/8 HP, Copeland, R-134a, 1077 W, 2.2 A, 230V, HBP, CSCR, High Temp
PHASE 1: SURGICAL IMAGE ANALYSIS
| Feature | Visible Nameplate Data |
| Brand | Emerson Climate Technologies / Copeland |
| Model | KCE444HAG-B332H (Family: KCE444HAG) |
| Serial Number | GCRA-0909669 |
| Voltage/Hz/Phase | 1Ph 180-260 V AC / 230V, 50 Hz |
| Refrigerant | R-134a |
| LRA (Locked Rotor Amps) | 13 A |
| Electrical Circuit | CSCR |
| Oil Type & Volume | 10.5 oz POE (Polyolester) |
| Application | High Temp (HBP) |
| Relay & OLP | Relay: KARPN-4241 / OLP: KAT0072/H3 OR MRA-12309-12101 |
| Capacitors | Run: 10 µF @ 440 V AC / Start: 40-60 µF @ 230 V AC |
| Manufacturing Origin | Mfg. By Emerson Climate Technologies (India) Limited |
PHASE 3: ARTICLE STRUCTURE
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- Meta Description: Technical specs for the Copeland KCE444HAG compressor. Includes LRA, displacement, electrical data, and equivalent drop-in cross-references for field techs.
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- Excerpt: Field data and technical breakdown of the Emerson Copeland KCE444HAG 3/8 HP commercial refrigeration compressor, including performance charts and direct replacement options.
Field Introduction
Found this slugger in a glass-door Coca-Cola merchandiser or a heavy-duty sandwich prep table? You are looking at the Emerson Copeland KCE444HAG. This 3/8 HP unit is a cast-iron workhorse built to handle the constant door-opening abuse of commercial beverage coolers. When a shop owner relies on cold drinks to keep the lights on, this HBP (High Back Pressure) compressor does the heavy lifting. It runs smoothly on R-134a, but when it finally locks up or burns out a winding, you need the hard numbers to wire it back up or drop in a reliable match. Let’s break down the specs.
Full Nameplate Data Table
Here is exactly what is stamped on the steel:
| Parameter | Specification |
| Manufacturer | Emerson Climate Technologies (Copeland) |
| Model | KCE444HAG-B332H |
| Serial | GCRA-0909669 |
| Voltage | 180-260 V AC (Rated 230V), 50 Hz |
| Phase | Single Phase (1Ph) |
| Locked Rotor Amps (LRA) | 13 A |
| Refrigerant | R-134a |
| Application | High Temp |
| Motor Type | CSCR |
| Oil Charge | 10.5 oz Polyolester (POE) |
| Country of Origin | India |
Technical Specifications Table
Knowing what the compressor is doing on the inside dictates how you size the metering device and handle the system charge.
| Specification | Value |
| Horsepower (HP) | 3/8 HP |
| Displacement | 12.05 cc |
| Cooling Capacity (HBP) | ~3675 BTU/h / 1077 Watts |
| Application Type | HBP / CBP (High / Commercial Back Pressure) |
| Operating Voltage | 230V |
| Motor Type | CSCR (Capacitor Start, Capacitor Run) |
| Max Continuous Current (MCC) | 3.0 A |
| Rated Load Amps (RLA) | ~2.2 A (at HBP standard conditions) |
Electrical & Origin Details
Wiring up a CSCR motor means you are dealing with potential relays and dual capacitors. Don’t mix up your start and run values, or you will bake the new start winding before lunch.
- Motor Circuit: CSCR (Capacitor Start, Capacitor Run) for high starting torque.
- Start Capacitor: 40-60 µF @ 230 V AC (Gets the heavy rotor moving against high head pressure).
- Run Capacitor: 10 µF @ 440 V AC (Keeps the power factor tight and the motor running cool).
- Relay Model: KARPN-4241 (Potential Relay).
- Overload Protector (OLP): KAT0072/H3 or MRA-12309-12101.
- Manufactured By: Emerson Climate Technologies (India) Limited.
Efficiency Metrics Table
Here is how the KCE444HAG pulls down at varying evaporator temperatures (assuming a standard 130°F / 54.4°C condensing temp):
| Evaporating Temp (°F / °C) | Cooling Capacity (BTU/h) | Power Input (Watts) | Amp Draw |
| 45°F / 7.2°C (HBP) | 3675 | 475 | 2.2 |
| 20°F / -6.7°C (CBP) | 1880 | 339 | 1.64 |
| 0°F / -17.8°C | 1190 | 268 | 1.33 |
Drop-in Replacements
If you can’t source a fresh Copeland KCE444HAG from the supply house, these 3/8 HP, ~12cc, R-134a HBP models will bolt right in and keep the cabinet at temp:
