JOHNSON CONTROLS A421ABG-02 Single-Stage Electronic Temperature Control
The JOHNSON CONTROLS A421ABG-02 is a single-stage electronic temperature control designed for chiller control applications. It operates with an input voltage of 240V AC and features a digital display with a…
SKU 3G-OTH-68631
Also listed as: A421ABG02 · A421ABG 02
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The JOHNSON CONTROLS A421ABG-02 is a single-stage electronic temperature control designed for chiller control applications. It operates with an input voltage of 240V AC and features a digital display with a temperature range of -40°F to 212°F, utilizing a single-pole double-throw (SPDT) switch for heat or cool operation. This model does not provide variable output voltage.
Frequently Asked Questions
What is the JOHNSON CONTROLS A421ABG-02 temperature control used for?
The JOHNSON CONTROLS A421ABG-02 is a single-stage electronic temperature control used for chiller control applications. It manages heating or cooling by switching a single-pole double-throw (SPDT) relay based on the setpoint, with a digital display showing temperatures from -40°F to 212°F.
What are the specifications of the JOHNSON CONTROLS A421ABG-02?
The JOHNSON CONTROLS A421ABG-02 operates at 240V AC input voltage, has a temperature range of -40°F to 212°F, and uses a SPDT switch for heat or cool control. It is a digital, single-stage temperature control with no variable output voltage, designed for chiller control applications.
Where to buy the JOHNSON CONTROLS A421ABG-02 worldwide?
You can source the JOHNSON CONTROLS A421ABG-02 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the temperature control reaches your facility reliably.
How to install the JOHNSON CONTROLS A421ABG-02 temperature control?
Install the JOHNSON CONTROLS A421ABG-02 by mounting it in a dry location, wiring the 240V AC supply to the input terminals, and connecting the SPDT output to your chiller's contactor. Set the desired temperature using the digital interface. Always follow local electrical codes and the manufacturer's manual.
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3G Electric supplies JOHNSON CONTROLS single-stage electronic temperature controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.