Overview
The Stancor P-8667 transformer is a power isolation transformer designed for industrial control systems and general-purpose equipment. Rated at 28VA with 1500Vrms isolation, this unit features 117VAC primary and 28VAC secondary windings with 5 terminals and wire lead flange mount configuration. Though discontinued from new manufacturing, the P-8667 remains available in surplus and refurbished stock, making it a cost-effective solution for legacy system repairs and replacements.
Key Features
- Chassis mount, isolating transformer type with 117V primary and 28V secondary
- Class A insulating materials for reliable long-term performance
- Leadwire terminations standard; rated for continuous duty
- Traditional EI laminations for stability; operable at 400Hz without output rating change
- RoHS compliant construction
- Wire lead connections enable flexible integration into existing wiring harnesses
Technical Specifications
- Primary Voltage: 117VAC
- Secondary Voltage: 28VAC
- Power Rating: 28VA
- Secondary Side Current: 1000mA (1A)
- Isolation Voltage: 1500Vrms
- Frequency: 50/60Hz
- Operating Temperature Range: -40°C to +105°C
- Mounting: Flange Mount
- Dimensions: 84.1 x 57.2 x 52.3mm
- Designed to meet UL 506 requirements
Typical Applications
The P-8667 is commonly used in:
- Industrial control panels and machinery retrofit applications
- Legacy equipment power supply isolation
- Low-voltage signal and control circuit isolation
- Audio and video equipment power conditioning
- General-purpose 28V secondary supply for solenoids, relays, and indicators
Compatibility & Replacements
Compatible With
- Standard 117VAC industrial power systems (50/60Hz)
- Equipment requiring 28VAC isolated control voltage
- Panel-mount and chassis-mount industrial control assemblies
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The P-8667 is a discontinued part; confirm that equivalent replacements meet your application’s isolation voltage, current, and mounting requirements.
Works With
- Standard industrial control circuits
- Relay logic and solenoid control systems
- Low-voltage indicator and alarm circuits
- Compatible with flange-mount configurations in control panel assemblies
