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| Item | Electronic Temperature Control |
|---|---|
| Ambient Humidity | 0% rh to 95% rh |
| Application | Boiler Control, Chiller Control, Cooling Control, Damper Control, Fan Control, Heating Control, Temperature Sensing And Control |
| Color | Gray |
| Compatible With Series | A99 Series |
| Contact | SPDT x 1 |
| Contact Form | SPDT |
| Contact Type | SPDT |
| Control Range | -40°F to +212°F |
| Depth | 2 3/8" |
| Differential | +1°F to +30°F |
| Display Color | Gray |
| Display Height | 1 1/2" |
| Display Type | Digital |
| Display Width | 1/2" |
| Full Load Amps @ 120v | 16A |
| Full Load Amps @ 240v Ac | 8A |
| Height | 5" |
| Horsepower @ 120v Ac | 1 hp |
| Horsepower @ 240v Ac | 1 hp |
| Housing Material | Silicon |
| Includes | A99Bb-200C Temperature Sensor |
| Input Voltage | 120/240V AC |
| Ip Rating | IP20 |
| Maximum Control Temperature | 212°F |
| Maximum Temperature Differential Setting | 30°F |
| Minimum Control Temperature | -40°F |
| Minimum Temperature Differential Setting | 1°F |
|---|---|
| Nema Rating | 1 |
| Nema/ip Rating | 1/Nema Ip20 |
| No. Of Contacts | 1 |
| No. Of Sensor Inputs | 1 |
| No. Of Sensors Included | 1 |
| Number Of Relay / Analog Outputs | 1 Relay |
| Number Of Relay Inputs | 1 |
| Number Of Relay Outputs | 1 |
| Number Of Spdt Outputs | 1 |
| Number Of Stages | 1 |
| Overall Depth | 2 3/8" |
| Overall Height | 5" |
| Overall L X W | 5" x 2 3/8" |
| Overall Length X Width | 5" x 2 3/8" |
| Overall Width | 2 3/8" |
| Power Consumption | 1.8 VA |
| Product Type | Temperature Control |
| Sensing Bulb Dia. | 1/4" |
| Sensing Bulb Length | 2" |
| Sensor Type | A99BB 200C |
| Switch Action | Open/Close On Rise |
| Switch Type | SPDT |
| Temperature Control Function | Heat And Cool |
| Variable Output Voltage | No |
| Width | 2 3/8" |
| standard | CE, CLASS B INDUSTRY CANADA (IC) COMPLIANT TO CANADIAN ICES-003, CULUS, FCC CFR47, UL 60730 FILE E27734, VOL. 1 |
Johnson A421ABC-02C temperature control is used in refrigeration units, breweries and HVAC systems to regulate temperatures effectively. With its accurate control capabilities and versatile design, this temperature control prevents temperature fluctuations, enhances energy efficiency and maintains consistent conditions.
| Height (cm) | 12.7 |
|---|---|
| Length (cm) | 26.67 |
| Width (cm) | 4.29 |
| Country Of Origin | MX |
|---|---|
| Weight (kg) | 0.27 |


Raptor Supplies has Johnson Controls thermostats with NEMA 1 and NEMA 4X rated enclosures. Customers looking for a NEMA 1 rated enclosure can opt for A70HA-14C temperature detection thermostat and those looking for NEMA 4X enclosure type can opt A19PRC-1C thermostat.
Yes, Raptor Supplies offers other thermostats having varying temperature rangeS. Customers looking for such thermostats can opt for A19ABA-40C close-on thermostat having temperature rating ranging from -30 to 100 degrees F. It comes with a temperature sensitivity of -/+ 2 degrees F. Customers can also opt for Johnson Controls A19BAG-1E electric thermostat having operating temperature ranging between 35 to 95 degrees F. This thermostat is compatible with portable heating equipment for easy heat management.
Yes, using surge protection in conjunction with the fuse can offer comprehensive circuit protection.
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