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Table 64: A421 Series Standard Electronic Temperature Control Product code Description A421GEF-01C Low-Voltage Type 4X Electronic Temperature Control: Type 4X (NEMA), IP66 watertight enclosure for surface-mount applications. Rated for 24 VAC Class 2, safety extra low-voltage. Includes an A99BB-25C temperature sensor with 9 7/8 in. (0.25 m) cable. A421GEF-02C Low-Voltage Type 4X Electronic Temperature Control: Type 4X (NEMA), IP66 watertight enclosure for surface-mount applications. Rated for 24 VAC Class 2, safety extra low-voltage. Includes an A99BB-200C temperature sensor with 6.6 ft (2.0 m) cable. Table 65: A99 Temperature Sensors Product code 1 Description A99BA-200C Positive temperature coefficient (PTC) Temperature Sensor: Standard probe 2 in. (5.1 cm) with 6.6 ft (2.0 m) shielded polyvinyl chloride (PVC) cable; ambient operating temperature range: -40°F to 212°F (-40°C to 100°C) A99BB-25C PTC Temperature Sensor: Standard probe 2 in. (5.1 cm) with 9 7/8 in. (0.25 m) PVC cable; ambient operating temperature range: -40°F to 212°F (-40°C to 100°C) A99BB-200C PTC Temperature Sensor: Standard probe 2 in. (5.1 cm) with 6.6 ft (2.0 m) PVC cable; ambient operating temperature range: -40°F to 212°F (-40°C to 100°C) A99BB-300C PTC Temperature Sensor: Standard probe 2 in. (5.1 cm) with 9.8 ft (3.0 m) PVC cable; ambient operating temperature range: -40°F to 212°F (-40°C to 100°C) A99BB-400C PTC Temperature Sensor: Standard probe 2 in. (5.1 cm) with 13.1 ft (4.0 m) PVC cable; ambient operating temperature range: -40°F to 212°F (-40°C to 100°C) A99BB-600C PTC Temperature Sensor: Standard probe 2 in. (5.1 cm) with 19.7 ft (6.0 m) PVC cable; ambient operating temperature range: -40°F to 212°F (-40°C to 100°C) A99BC-25C 1 PTC Temperature Sensor: Standard probe 2 in. (5.1 cm) with 9 7/8 in. (0.25 m) high-temperature silicon cable; ambient operating temperature range: -40°F to 248°F (-40°C to 100°C) A99BC-100C 1 PTC Temperature Sensor: Standard probe 2 in. (5.1 cm) with 3.3 ft (1.0 m) high-temperature silicon cable; ambient operating temperature range: -40°F to 248°F (-40°C to 120°C) Table 65: A99 Temperature Sensors Product code 1 Description A99BC-300C 1 PTC Temperature Sensor: Standard probe 2 in. (5.1 cm) with 9.8 ft (3.0 m) high-temperature silicon cable; ambient operating temperature range: -40°F to 248°F (-40°C to 120°C) A99BC-500C 1 PTC Temperature Sensor: Standard probe 2 in. (5.1 cm) with 16.4 ft (5.0 m) high-temperature silicon cable; ambient operating temperature range: -40°F to 248°F (-40°C to 120°C) A99BC-1500C 1 PTC Temperature Sensor: Standard probe 2 in. (5.1 cm) with 49.2 ft (15.0 m) high-temperature silicon cable; ambient operating temperature range: -40°F to 248°F (-40°C to 120°C) A99CB-200C PTC Temperature Sensor: Extended probe 6 in. (15.2 cm) with 6.6 ft (2.0 m) PVC cable; ambient operating temperature range: -40°F to 212°F (-40°C to 100°C) A99CB-600C PTC Temperature Sensor: Extended probe 6 in. (15.2 cm) with 19.7 ft (6.0 m) PVC cable; ambient operating temperature range: -40°F to 212°F (-40°C to 100°C) 1 When any A99 Series Temperature Sensor is connected to a standard A421 Control model, the range of displayed temperature values is -40°F to 212°F or -40°C to 100°C. Table 66: Accessories for the A421 Controls Product code Description BKT287-1R 12 in. (305 mm) long DIN rail section BKT287-2R 36 in. (914 mm) long DIN rail section PLT344-1R Two end clamps for DIN rail sections A99-CLP-1 Surface mounting clip for A99B and A99C Series Temperature Sensors SHL10-603R Sun shield for A99B and A99C Series Temperature Sensors BOX10A-603R PVC enclosure for A99B and A99C Series Temperature Sensors WEL11A-601R Immersion well for applying sensor in fluid applications Technical specifications Table 67: A421 Series Electronic Temperature Control Technical Specifications Specification Description Power consumption 1.8 VA maximum Supply power 24 VAC, 50/60 Hz, Class 2:108/110/115/120 or 208/230/240 VAC, 50/60 Hz 64 Refrigeration Products Catalog

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