LEGRAND PS430MIR3W Watertight Interlock, 380/440V AC, 30A, 3 Pole, 4 Wire
The LEGRAND Mechanical Interlock (MPN PS430MIR3W) is a watertight interlock rated for 380/440V AC, three-phase, 30 A, with 3 poles and 4 wires. This unit does not support reverse service.
SKU 3G-OTH-14235
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.
Need installation or engineering help?
Ask a question
Product Description
The LEGRAND Mechanical Interlock (MPN PS430MIR3W) is a watertight interlock rated for 380/440V AC, three-phase, 30 A, with 3 poles and 4 wires. This unit does not support reverse service.
Frequently Asked Questions
What is the LEGRAND Mechanical Interlock PS430MIR3W used for?
The LEGRAND Mechanical Interlock PS430MIR3W is used to prevent simultaneous operation of two power sources in industrial electrical panels. It is ideal for generator transfer, motor control, and safety isolation in watertight enclosures, ensuring compliance with lockout/tagout procedures in manufacturing and process plants.
What are the specifications of the LEGRAND PS430MIR3W?
The LEGRAND PS430MIR3W is a three-phase mechanical interlock rated for 380/440V AC, 30 A, with 3 poles and 4 wires. It is a watertight interlock with no reverse service capability. The manufacturer part number is PS430MIR3W, and it is designed for industrial environments requiring reliable source isolation.
Where to buy the LEGRAND PS430MIR3W worldwide?
You can source the LEGRAND PS430MIR3W 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; we supply genuine LEGRAND components for industrial applications.
How to install the LEGRAND Mechanical Interlock PS430MIR3W?
Install the LEGRAND PS430MIR3W in a watertight enclosure rated for the environment. Ensure power is disconnected, then mount the interlock per the manufacturer's wiring diagram, connecting the 3 poles and 4 wires to the respective sources. Verify mechanical operation before energizing. Consult a qualified electrician for compliance with local codes.
Used in
Common applications for LEGRANDLEGRAND Products
3G Electric supplies LEGRAND watertight interlocks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.