Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
SQUARE B1.67 Thermal Unit, Class 20 - Electrical
SQUAREElectrical

SQUARE B1.67 Thermal Unit, Class 20

SQUARE Electrical.

SKU 3G-OTH-41574

Also listed as: B167 · B1 67 · B1-67

Brand
SQUARE
Item
B1.67 Thermal Unit, Class 20
Part Number
B1.67
Category
Electrical
UNSPSC
39121029 — Isolation transformer
Available to Order
Also known as:B1.67SQUARE
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

SQUARE
Manufacturer Part Number
B1.67

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SQUARE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

SQUARE Electrical.

Frequently Asked Questions

What is a Square D thermal unit B1.67 used for?

A Square D thermal unit B1.67 is a Class 20 overload relay heater element used in motor starters to protect motors from sustained overcurrent. It is designed for industrial applications requiring precise thermal protection, commonly found in manufacturing, HVAC, and pumping systems.

What are the specifications of the Square D thermal unit B1.67?

The Square D thermal unit B1.67 has manufacturer part number B1.67 and is a Class 20 trip class overload heater. It is designed for use with Square D motor starters to provide thermal overload protection. For exact ampere ratings and application details, consult the manufacturer's documentation.

Where to buy Square D thermal unit B1.67 worldwide?

3G Electric supplies the Square D thermal unit B1.67 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact our team to source this genuine Square D part for your motor protection needs.

How to select the correct Square D thermal unit for a motor?

Selecting the correct Square D thermal unit requires matching the heater's trip class and current rating to the motor's full-load amperage and starting characteristics. The B1.67 is a Class 20 unit, suitable for standard motor starting. Always verify the motor nameplate and consult Square D selection tables for proper sizing.

Used in

Common applications for SQUARE
Commercial building lighting control — Square D 8903LO60V04 (6-pole, 30 A, 277V AC coil) for switching large-area lighting in offices and retail spaces.
Warehouse lighting — Square D 8903LO1000V02 (10-pole, 30 A, 120V AC coil) for centralized control of high-bay lighting circuits.
Parking lot lighting — Square D 8903SPO2V04 (3-pole, 60 A, 277V AC coil) for remote switching of exterior lighting groups.
Manufacturing facility lighting — Square D 8903LO1200V02 (12-pole, 30 A, 120V AC coil) for multi-circuit lighting control in production areas.
Industrial facility lighting — Square D 8903SMO2V02 (3-pole, 30 A, 120V AC coil) for switching lighting in small zones or individual rooms.
Large-scale lighting systems — Square D 8903LO80V02 (8-pole, 30 A, 120V AC coil) for controlling multiple lighting circuits from a single point.
Not sure this is the right part? Photo-identify it→

SQUARE 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

More from SQUARE

View all SQUARE parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first