OEM Transformer Relay: SPDT, Normally Closed/Normally Open
The APPROVED VENDOR Transformer Relay (SKU 3G-OTH-67781) is a fan-control relay with an integrated transformer, featuring a SPDT contact form with both normally closed and normally open configurations and a 24V AC…
SKU 3G-OTH-67781
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
Need installation or engineering help?
Ask a question
Product Description
The APPROVED VENDOR Transformer Relay (SKU 3G-OTH-67781) is a fan-control relay with an integrated transformer, featuring a SPDT contact form with both normally closed and normally open configurations and a 24V AC coil. This product is identified by manufacturer part number.
Frequently Asked Questions
What is an APPROVED VENDOR transformer relay used for?
An APPROVED VENDOR transformer relay with SPDT contacts and a 24V AC coil is used in HVAC fan-control systems to switch fan motors on or off based on temperature or pressure signals. It integrates a transformer to power the relay coil, simplifying installation in commercial and industrial ventilation applications.
What are the specifications of the APPROVED VENDOR transformer relay?
The APPROVED VENDOR transformer relay has a SPDT contact form with both normally closed and normally open configurations, a 24V AC coil, and an integrated transformer. It is designed for fan-control applications and is identified by manufacturer part number .
Where to buy the APPROVED VENDOR transformer relay worldwide?
3G Electric supplies the APPROVED VENDOR transformer relay worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this SPDT fan-control relay with a 24V AC coil.
How to install an APPROVED VENDOR transformer relay?
To install an APPROVED VENDOR transformer relay, first disconnect power. Mount the relay securely, then connect the 24V AC coil leads to the control circuit. Wire the SPDT common, normally closed, and normally open terminals to the fan motor and power source per the wiring diagram. Test operation before restoring power.
OEM Products
3G Electric supplies OEM fan-control relays with transformers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
