SQUARE D Thermal Unit: 20 Trip Class, A1.86
SQUARE Electrical.
SKU 3G-OTH-39336
Also listed as: A186 · A1 86 · A1-86
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
SQUARE Electrical.
Frequently Asked Questions
What is the SQUARE D Thermal Unit A1.86 used for?
The SQUARE D Thermal Unit A1.86 is an overload protection device for motor starters. It protects motors from overheating due to sustained overcurrent by tripping the starter when current exceeds the rated threshold. Common in industrial motor control panels, conveyors, pumps, and HVAC systems.
What are the specifications of the SQUARE D Thermal Unit A1.86?
The SQUARE D Thermal Unit A1.86 has a trip class of 20 and a heater element rating of A1.86. It is designed for use with SQUARE D motor starters. The manufacturer part number is A1.86. This unit provides reliable overload protection in industrial electrical systems.
Where to buy SQUARE D Thermal Unit A1.86 worldwide?
3G Electric supplies the SQUARE D Thermal Unit A1.86 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. We source genuine components for motor protection applications.
How to select the correct SQUARE D thermal unit for a motor starter?
Select the SQUARE D thermal unit based on the motor's full-load current (FLA) and trip class. The A1.86 is a 20 trip class unit, suitable for standard motor starting. Match the heater element number to the motor FLA per SQUARE D selection tables. Always verify compatibility with your starter model.
Used in
Common applications for SQUARESQUARE Products
3G Electric supplies SQUARE electrical. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.