Description
Copeland OMB-MO1 Compressor Crankcase Oil Level Protection Control
The Copeland 065366 (Model OMB-MO1) is a precision-engineered crankcase oil level protection control designed to safeguard compressors from the damaging effects of low oil conditions. By continuously monitoring oil levels within the compressor crankcase, this control helps prevent costly compressor failures, extending equipment life and reducing unplanned downtime in commercial and industrial refrigeration and HVAC systems.
Key Features
- 24VAC operating voltage for compatibility with standard control circuits
- Series relief connector with 1/4″ male flare oil supply fitting for secure, leak-free installation
- SPDT alarm switch for flexible integration with monitoring and alarm systems
- 5–10 second time delay prevents nuisance trips during normal compressor startup transients
- 120-second alarm delay time provides a controlled response window before triggering a shutdown alarm
- Protects compressor crankcase oil levels, helping prevent bearing wear and compressor damage
- Designed for use with Copeland compressors
Product Specifications
- SKU: 065366
- Model: OMB-MO1
- Brand: Copeland
- Supply Voltage: 24VAC
- Oil Supply Fitting: 1/4″ Male Flare
- Connector Type: Series Relief Connector
- Switch Type: SPDT Alarm Switch
- Time Delay: 5–10 Seconds
- Alarm Delay Time: 120 Seconds
- Application: Compressor Crankcase Oil Level Protection
Application
The OMB-MO1 is ideal for use in commercial refrigeration, air conditioning, and HVAC systems where compressor protection is critical. The built-in time delay logic filters out momentary oil level fluctuations during startup, while the 120-second alarm delay ensures that only sustained low-oil conditions trigger a protective shutdown — minimizing false alarms while maximizing compressor protection.
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