Overview
The Packard 12031 7.5MFD 440V is a heavy-duty oval run capacitor engineered for HVAC compressor motors, fan motors, and industrial motor applications. With a nominal capacitance of 7.5 microfarads and voltage rating of 440 volts, this unit provides stable electrical characteristics essential for motor starting and continuous operation in demanding environments. The metal oval case design ensures compact mounting while protecting the internal components.
Key Features
- Capacitance: 7.5 microfarads (µF) with ±5% tolerance
- Voltage Rating: 440 VAC (dual-rated 370V compatible)
- Case Style: Oval aluminum enclosure for space-efficient installation
- Operating Range: Suitable for temperatures −40°C to +65°C
- Dielectric: Non-PCB, biodegradable synthetic oil with internal safety interrupter
Technical Specifications
- Capacitance: 7.5 MFD
- Voltage: 440 VAC
- Tolerance: ±5%
- Case Type: Oval (metal)
- Dimensions (approximate): 2″ W × 2.125″ H × 1.25″ D (add 0.5″ for terminals)
- Dielectric Fluid: Non-PCB synthetic oil
- Safety Feature: Internal mechanical interrupter
- Operating Temperature Range: −40°C to +65°C
- Common Replacements: MARS 12031, USA 2031, SUPCO CR7.5X440
Typical Applications
- HVAC compressor motor starting and run circuits
- Permanent split-capacitor (PSC) motor applications
- Industrial fan and blower motor systems
- Pump motor circuits requiring dual-voltage operation
- Legacy equipment retrofitting and motor restoration
Compatibility & Replacements
Compatible With
- HVAC systems and air conditioning units
- Industrial three-phase and single-phase motor circuits
- Fan and compressor motors rated 440VAC primary or 370VAC secondary
- Standard motor mounting terminals (standard spade connectors)
- Legacy and modern HVAC equipment
Replaces / Drop-In Replacement For
- MARS 12031, 14031
- SUPCO CR7.5X440
- USA 2031, USA-CR7.5X440
- GE/GENTEQ C307L, C407L
- JARD 12907, 12931
- Competing 7.5 µF 370/440 VAC oval capacitors with matching footprint
Works With
- Single-phase PSC (permanent split-capacitor) motor circuits
- Dual-voltage motor systems (370V/440V)
- Standard HVAC relay and contactor control schemes
- Industrial motor soft-start and VFD bypass applications





