Overview
The Potter Brumfield KUP-14A55-120 is a 3-pole general-purpose panel plug-in relay engineered for industrial electrical control and switching applications. Manufactured by TE Connectivity under the Potter & Brumfield brand, this KUP series relay features a 120V AC coil rated for 50/60Hz operation and 3-form-C (3PDT) contact configuration. Class-B coil insulation and UL/CSA approvals ensure reliability in demanding maintenance and repair environments.
Key Features
- 3PDT (3 form-C) contact arrangement for flexible switching control
- 120V AC coil, 50/60Hz rated—standard industrial control voltage
- 4.75mm quick-connect/solder terminals for fast panel installation
- Silver cadmium oxide (AgCdO) contacts rated 10A at 240VAC, 32VDC
- Bracket-mount case with Class-B coil insulation
- UL and CSA certified for industrial and HVAC applications
- Non-latching coil type for momentary or sustained control signals
Technical Specifications
- Coil Voltage: 120V AC
- Operating Frequency: 50/60Hz
- Contact Configuration: 3PDT (3 Form C)
- Contact Current Rating: 10A
- Contact Voltage (AC): 240V
- Contact Voltage (DC): 32V
- Contact Material: Silver Cadmium Oxide (AgCdO)
- Coil Resistance: 1.7 kΩ
- Relay Mounting: Panel Mount (Bracket)
- Terminal Type: Quick Connect/Solder 4.75mm
- Coil Type: Non-Latching
- Environmental Rating: Class-B insulation, RT I protection
- Certifications: UL, CSA
- Weight: 0.15 lbs
Typical Applications
- Industrial Control: Switched logic and feedback circuits in automated machinery
- HVAC Systems: Thermostat-controlled heating/cooling relay logic
- Power Management: Load switching and distribution in industrial panels
- Automation & Process Control: PLC-driven control circuits and interlocking circuits
- Maintenance & Repair: Direct replacement in existing panel installations without rewiring
- Robotics & Timing: Clock circuits and sequencing logic where AC coil operation is required
Compatibility & Replacements
Compatible With
- Standard 120V AC control circuits (50/60Hz)
- Industrial panel mount socket systems with KU-series compatibility
- PLC and automation controllers requiring 3PDT relay switching
- HVAC, machinery, and commercial electrical control systems
- Circuits rated for 240VAC, 32VDC contact switching
Replaces / Drop-In Replacement For
- Potter Brumfield KUP-14A55-120 (same part number—direct equivalent)
- TE Connectivity part number 9-1393117-9
- Verify compatibility with your system integrator before ordering if substituting for other KUP series coil voltages (e.g., KUP-14A55-12, KUP-14A55-24)
Works With
- KU series plug-in sockets and mounting hardware
- Standard 120V AC industrial control power supplies
- Quick-connect panel terminals and relay bases
- UL-listed industrial control panels and enclosures
- Standard DIN rail and bracket mounting systems
