A421 Series Standard Electronic Temperature Controls Installation Instructions
14
A421AEC-02C Line-Voltage Type 4X Electronic Temperature Control: Type 4X (NEMA), IP66 watertight enclosure
for surface-mount applications. Rated for 120/240 VAC. Includes an A99BB-200C temperature sensor
with 6.6 ft (2.0 m) cable.
A421GBF-02C Low-Voltage Type 1 Electronic Temperature Control: Type 1 (NEMA), IP20 standard enclosure for
DIN rail and 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.
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 6: A421 Series Standard Electronic Temperature Controls Selection Chart (Part 2 of 2)
Product Type Description
Table 7: A99 Temperature Sensors Selection Chart
1
Product Code Description
A99BA-200C PTC Temperature Sensor: Standard probe 2 in. (5.1 cm) with 6.6 ft (2.0 m) shielded PVC cable;
Ambient operating temperature range: -40 to 212ºF (-40 to 100ºC)
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 to 212ºF (-40 to 100ºC)
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 to 212ºF (-40 to 100ºC)
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 to 212ºF (-40 to 100ºC)
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 to 212ºF (-40 to 100ºC)
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 to 212ºF (-40 to 100ºC)
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 to 248ºF (-40 to 100ºC)
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 to 248ºF (-40 to 120ºC)
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 to 248ºF (-40 to 120ºC)
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 to 248ºF (-40 to 120ºC)
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 to 248ºF (-40 to 120ºC)
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 to 212ºF (-40 to 100ºC)
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 to 212ºF (-40 to 100ºC)
1. When any A99 Series Temperature Sensor is connected to a standard A421 control model, the range of displayed
temperature values is -40 to 212ºF or -40 to 100ºC.
Table 8: Accessories (Part 1 of 2)
Product Code Description
BKT287-1R 12 in. (305 mm) long DIN rail section
BKT287-2R 36 in. (914 mm) long DIN rail section
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