SCHNEIDER Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC
The SCHNEIDER Overload Relay: Thermal Protection (MPN LR3D340) is an IEC thermal overload relay with integrated bimetallic elements, requiring no external thermal units. It features a 1NO/1NC auxiliary contact form…
SKU 3G-OTH-41812
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 SCHNEIDER Overload Relay: Thermal Protection (MPN LR3D340) is an IEC thermal overload relay with integrated bimetallic elements, requiring no external thermal units. It features a 1NO/1NC auxiliary contact form, screw clamp terminals, and a maximum voltage rating of 690V AC. This relay is compatible with TeSys Deca contactors (40 to 65 Amp models) and does not include phase loss sensitivity.
Frequently Asked Questions
What is the SCHNEIDER LR3D340 overload relay used for?
The SCHNEIDER LR3D340 is an IEC thermal overload relay used to protect motors from overcurrent and phase imbalance. It is designed for industrial applications requiring reliable thermal protection and is compatible with TeSys Deca contactors (40 to 65 Amp models).
What are the specifications of the SCHNEIDER LR3D340 overload relay?
The SCHNEIDER LR3D340 features a 1NO/1NC auxiliary contact form, screw clamp terminals, and a maximum voltage rating of 690V AC. It includes integrated bimetallic elements, so no external thermal units are required. It does not include phase loss sensitivity and is compatible with TeSys Deca contactors (40 to 65 Amp models).
Where to buy the SCHNEIDER LR3D340 overload relay worldwide?
You can source the SCHNEIDER LR3D340 overload relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to install the SCHNEIDER LR3D340 overload relay?
To install the SCHNEIDER LR3D340, mount it directly onto a compatible TeSys Deca contactor (40 to 65 Amp models). Connect the motor circuit via the screw clamp terminals and set the current adjustment dial to match the motor full-load current. Ensure the auxiliary contacts (1NO/1NC) are wired per your control scheme.
Used in
Common applications for SCHNEIDERSCHNEIDER Products
3G Electric supplies SCHNEIDER iec thermal overload relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
