SCHNEIDER M9F43340 D-Curve 3-Pole UL489 Miniature Circuit Breaker
The SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker (MPN M9F43340) is a D-Curve, 3-Pole UL489 DIN Rail-Mount unit rated at 40 A Amps. It features a Max. AIR Rating of 14kA at 120/240V AC and a Screw Clamp terminal…
SKU 3G-OTH-20708
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 ELECTRIC IEC Miniature Circuit Breaker (MPN M9F43340) is a D-Curve, 3-Pole UL489 DIN Rail-Mount unit rated at 40 A Amps. It features a Max. AIR Rating of 14kA at 120/240V AC and a Screw Clamp terminal connection. This breaker is not rated for DC voltage.
Frequently Asked Questions
What is the SCHNEIDER ELECTRIC M9F43340 miniature circuit breaker used for?
The SCHNEIDER ELECTRIC M9F43340 is a D-curve, 3-pole UL489 miniature circuit breaker rated at 40 A. It is used for protecting industrial electrical circuits against overloads and short circuits, particularly in applications with high inrush currents like motors or transformers.
What are the specifications of the SCHNEIDER M9F43340 circuit breaker?
The SCHNEIDER M9F43340 is a 40 A, 3-pole miniature circuit breaker with a D-curve trip characteristic. It has a maximum AIR rating of 14kA at 120/240V AC, a screw clamp terminal connection, and is not rated for DC voltage. It mounts on a DIN rail and meets UL489 standards.
Where to buy the SCHNEIDER M9F43340 circuit breaker worldwide?
3G Electric supplies the SCHNEIDER M9F43340 miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this D-curve, 40 A breaker.
How to select the right SCHNEIDER miniature circuit breaker for my application?
Selecting the right SCHNEIDER miniature circuit breaker involves matching the amp rating (40 A for the M9F43340), voltage (120/240V AC), and trip curve (D for high inrush loads) to your circuit requirements. Ensure the interrupting rating (14kA) exceeds available fault current. Consult a qualified electrician for proper coordination.
Used in
Common applications for SCHNEIDERSCHNEIDER Products
3G Electric supplies SCHNEIDER d-curve, 3-pole ul489 din rail-mount miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
