Overview
The Killark KP-20ABC is a heavy-duty explosion-proof pin and sleeve plug connector engineered for portable and movable equipment in hazardous locations. Suitable for Class I, Division 1 and 2 environments with flammable vapors or gases present (Groups C and D), this connector delivers safe, reliable electrical interconnection with factory-sealed construction and delayed-action contacts that ensure proper mating sequence during connection and disconnection.
Key Features
- Delayed-action contacts ensure safe, controlled connection and disconnection
- Extra-long grounding pin makes contact first and breaks contact last for enhanced safety
- Solder terminations provide secure, low-resistance connections
- Copper-free aluminum housing resists corrosion in harsh environments
- Wide range of grommet openings accommodate flexible cable sizes
- Stainless steel hardware for durability in industrial settings
Technical Specifications
- Voltage Rating: 115/230V AC @ 60 Hz
- Current Rating: 20 Amps
- Horsepower: 1 hp
- Poles / Wires: 2 Poles, 3 Wires
- Phase: Single Phase
- Hazardous Location Rating: Class I, Division 1 & 2, Groups C & D
- Housing Material: Copper-Free Aluminum
- Finish: Unfinished
- Cable Diameter Range: 0.25 in (min) – 0.625 in (max)
- Maximum Wire Size: 10 AWG
- Grounding: Grounded, Style 2
- Certifications: UL, CSA Approved
- NEMA Rating: NEMA 7
- Dimensions: 7 in (L) × 3.13 in (W) × 3.13 in (H)
- Weight: 1 lb
- Series: KP (Killark KP Series)
Typical Applications
The KP-20ABC is designed for portable and movable equipment requiring explosion-proof connections in hazardous industrial environments, including:
- Portable power tools and hand-held equipment in Class I locations
- Temporary lighting systems and portable hand lights
- Portable motors and motor-driven equipment
- Temporary power distribution for maintenance and construction work in refineries, chemical plants, and gas processing facilities
- Offshore and industrial platforms with flammable vapor presence
Compatibility & Replacements
Compatible With
- Killark KR Series explosion-proof receptacles (mating receptacle partner)
- Standard 120/240V AC, 60 Hz electrical systems
- Flexible power cords rated for portable equipment (0.25 in – 0.625 in OD)
- Class I, Division 1 & 2 hazardous location installations per NEC Article 500
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator or facility manager before ordering. Direct replacement suitability depends on existing cable termination style and receptacle model in use.
Works With
- Killark KR-20 Series receptacles and junction boxes
- UL 1686 Listed pin and sleeve connectors and systems
- NEMA 7 hazardous location enclosure systems
- Industrial electrical systems rated for Class I, Groups C & D applications
- Solder-terminated cable assemblies and temporary power cords








