COLUMBUS ELECTRIC Air Sensing Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Conduit Box
The COLUMBUS ELECTRIC Air Sensing Switch: Adj (MPN GRH3AD) is an adjustable set-point air pressure switch with auto reset, covering a range of 0.05 in wc to 12 in wc. It features a SPDT switch rated at 24V AC, housed…
SKU 3G-OTH-68777
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 COLUMBUS ELECTRIC Air Sensing Switch: Adj (MPN GRH3AD) is an adjustable set-point air pressure switch with auto reset, covering a range of 0.05 in wc to 12 in wc. It features a SPDT switch rated at 24V AC, housed in a conduit box with integral compression. This product is designed for sensing air pressure changes in industrial equipment.
Frequently Asked Questions
What is the COLUMBUS ELECTRIC GRH3AD air sensing switch used for?
The COLUMBUS ELECTRIC GRH3AD is an adjustable set-point air pressure switch used to sense air pressure changes in industrial equipment. It is commonly applied in HVAC systems, air-handling units, and process control to monitor or control airflow and pressure differentials.
What are the specifications of the COLUMBUS ELECTRIC GRH3AD?
The GRH3AD is an auto-reset switch with an adjustable set-point range of 0.05 in wc to 12 in wc. It features a SPDT contact rated at 24V AC, housed in a conduit box with integral compression. The manufacturer part number is GRH3AD from COLUMBUS ELECTRIC.
Where to buy the COLUMBUS ELECTRIC GRH3AD worldwide?
3G Electric supplies the COLUMBUS ELECTRIC GRH3AD worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.
How to install the COLUMBUS ELECTRIC GRH3AD air sensing switch?
Mount the GRH3AD in a dry location using the conduit box. Connect the SPDT contacts to your 24V AC control circuit. Adjust the set-point screw to the desired pressure differential within the 0.05 in wc to 12 in wc range. Ensure the sensing port is clean and free of debris.
Used in
Common applications for COLUMBUS ELECTRICCOLUMBUS ELECTRIC Products
3G Electric supplies COLUMBUS ELECTRIC adjustable set-point air pressure switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
