Description
Copeland XB-1019MC1B Power Assembly — SKU 057878
The Copeland XB-1019MC1B is a genuine OEM power assembly designed for reliable refrigeration control in R134a systems. Engineered for precision performance, this power assembly ships complete with capscrews included for straightforward installation. Its equalizer-type design with a 1/4″ SAE (flare) connection ensures compatibility with standard refrigeration service ports, while the 5-foot capillary tube provides flexible positioning during installation.
Key Features
- Refrigerant: R134a
- Connection Type: 1/4″ SAE (Flare) Equalizer Type
- Capillary Tube Length: 5 ft (60 inches)
- Application Temperature Range: -20°F to +50°F
- Includes capscrews for complete, ready-to-install assembly
- Genuine Copeland OEM replacement part
- Part Number: XB-1019MC1B
Application
This power assembly is suited for commercial and light industrial refrigeration applications operating within the -20°F to +50°F temperature range. The equalizer-type construction helps maintain accurate thermostatic expansion valve (TXV) control by balancing evaporator outlet pressure, ensuring consistent superheat management and system efficiency in R134a refrigeration circuits.
Installation Notes
- Capscrews included — no additional hardware required for mounting
- 1/4″ SAE flare connection simplifies field hookup
- 5 ft capillary tube allows flexible bulb placement on the suction line
- Always verify system refrigerant type and operating range before installation







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