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A421ABC-02C: Line-Voltage Type 1 Electronic Temperature Control for DIN rail and surface-mount applications rated for 120/240 VAC Includes an A99BB-200C
Description
Additional Product Details
The A421 Series controls are single stage,
electronic temperature controls with a
single-pole, double-throw (SPDT) output
relay. The controls feature an adjustable
backlit LCD for viewing the temperature and
status of other functions, and a three-button
touchpad for setup and adjustment. An LED
indicates the On/Off status of the output relay.
The A421 controls are available in low voltage
24 VAC and high voltage 120 or 240 VAC
models, which provide options for most
refrigeration and HVAC applications.
The A421 controls provide heating or cooling
control, sensor offset, temperature setback,
adjustable anti-short cycle delay, and a
restricted user adjustment mode. The
temperature units can be displayed in F or C.
The temperature adjustment range is
-40 to 212F or -40 to 100C.
The A421 controls are available in Type 1,
IP20 high-impact plastic enclosures suitable
for surface or DIN rail mounting and Type 4X,
IP66 watertight, corrosion-resistant surface
mount enclosures.
Refer to the A421 Series Electronic
Temperature Controls Product Bulletin
(LIT-12011972) for important product
application information.
Downloads
12011972.pdf
1900933.pdf
A421_InstallationInstructions.pdf
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