Johnson Controls Penn A421 Series - A421 Series Selection Charts; A421 Standard Electronic Temperature Control Models; A99 Series Temperature Sensor Specifications; Accessories for A421 Controls

Selection charts
Table 1: A421 Series Standard Electronic
Temperature Control
Product code Description
A421ABD-02C Line -Voltage Type 1 Electronic Temperature
Control with Off-Cycle Defrost Timer: Type 1
(NEMA), IP20 standard enclosure for DIN rail
and surface-mount applications. Rated for
120/240 VAC. Includes timer for On/Off defrost
cycle control. Includes A99BB-200C temperature
sensor with 6.6 ft (2.0 m) cable.
A421AED-01C Line -Voltage Type 4X Electronic Temperature
Control with Off-Cycle Defrost Timer: Type 4X
(NEMA), IP66 standard enclosure for surface-
mount applications. Rated for 120/240 VAC.
Includes timer for On/Off defrost cycle control.
Includes A99BB-25C temperature sensor with 9
7/8 in. (0.25 m) cable.
A421AED-02C Line -Voltage Type 4X Electronic Temperature
Control with Off-Cycle Defrost Timer: Type 4X
(NEMA), IP66 standard enclosure for surface-
mount applications. Rated for 120/240 VAC.
Includes timer for On/Off defrost cycle control.
Includes A99BB-200C temperature sensor with
6.6 ft (2.0 m) cable.
Table 2: 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: -40ºF to 212ºF (-40ºC 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: -40ºF to
212ºF (-40ºC 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: -40ºF to 212ºF
(-40ºC 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: -40ºF to 212ºF
(-40ºC 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: -40ºF to 212ºF
(-40ºC 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: -40ºF to 212ºF
(-40ºC to 100ºC)
Table 2: A99 Temperature Sensors
Product code
1
Description
A99BC-25C
11
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: -40ºF to 248ºF (-40ºC to 120ºC)
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: -40ºF to 248ºF (-40ºC 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: -40ºF to 248ºF (-40ºC 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: -40ºF to 248ºF (-40ºC 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: -40ºF to 248ºF (-40ºC 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: -40ºF to 212ºF
(-40ºC 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: -40ºF to 212ºF
(-40ºC 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°F to 212°F or -40°C to 100°C.
Table 3: 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
3 A421 Series Electronic Temperature Controls with Off-Cycle Defrost Catalog Page