SQUARE D Thermal Unit A9.85
SQUARE Electrical.
SKU 3G-OTH-41851
Also listed as: A985 · A9 85 · A9-85
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
SQUARE Electrical.
Frequently Asked Questions
What is the SQUARE D Thermal Unit A9.85 used for?
The SQUARE D Thermal Unit A9.85 is an overload relay heater element designed to protect motors from overheating due to sustained overcurrent. It is commonly used in industrial motor control centers and panel boards to ensure safe operation of three-phase induction motors in manufacturing, HVAC, and pumping applications.
What are the specifications of the SQUARE D Thermal Unit A9.85?
The SQUARE D Thermal Unit A9.85 has a trip class of 20 and is identified by manufacturer part number A9.85. It is a bimetallic thermal overload element that provides inverse-time protection for motor starters. The unit is designed for use with SQUARE D motor starters and contactors in industrial electrical systems.
Where to buy SQUARE D Thermal Unit A9.85 worldwide?
You can source the SQUARE D Thermal Unit A9.85 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact our team for a quote and lead time on this part.
How to select the correct SQUARE D thermal unit for a motor?
Select the SQUARE D thermal unit by matching the motor full-load current (FLC) to the heater element's ampere rating range. The A9.85 is a trip class 20 unit, suitable for standard motor starting. Always consult the motor nameplate and SQUARE D selection tables to ensure proper overload protection without nuisance tripping.
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3G Electric supplies SQUARE electrical. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.