Johnson Controls A421AEJ-02C Temperature Control

The Johnson Controls A421AEJ-02C is a rugged electronic single-stage temperature control built for reliable HVAC and industrial cooling applications. Operating on 120/240 VAC, this unit features a SPDT output and a durable UL Type 4X enclosure with an IP66 rating, ensuring dependable performance in wet or dusty environments.

Designed for flexible installation, it includes a single pig back cord and a 2m (6'6") temperature sensor that reads from -40°F to 212°F, delivering accurate control across a wide temperature range. The A421AEJ-02C is designed for commercial refrigeration, processing, and factory automation thanks to robust electrical ratings and easy integration into control panels.

• Output: SPDT configuration for precise heat/cool control
• Enclosure: UL Type 4X with IP66 rating for weatherproof durability
• Voltage: Wide input voltage range of 120/240 VAC
• Wiring: Single pig-back wiring cord for quick, simple installation
• Sensor: 2m (6'6") temperature sensor with -40°F to 212°F operating range
• Application: Electronic single-stage temperature control suitable for demanding environments