Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
SCHNEIDER M9F42350 C-Curve 3-Pole UL489 Miniature Circuit Breaker - C-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SCHNEIDERC-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

SCHNEIDER M9F42350 C-Curve 3-Pole UL489 Miniature Circuit Breaker

The SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker (MPN M9F42350) is a 50 A, C-Curve, 3-Pole UL489 DIN Rail-Mount unit with a screw clamp terminal connection. It has a maximum AIR rating of 14kA at 120/240V AC and…

SKU 3G-OTH-20317

Brand
SCHNEIDER
Item
M9F42350 C-Curve 3-Pole UL489 Miniature Circuit Breaker
Category
C-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
Available to Order
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.
Worldwide Shipping
Air & sea freight
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
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

Technical Specifications

SCHNEIDER
Manufacturer Part Number
M9F42350
Type
14kA at 120/240V AC, Screw Clamp, C
Max. AIR Rating
14kA at 120/240V AC
DC Voltage Rating
Not Rated
Terminal Connection
Screw Clamp

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

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

Product Description

The SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker (MPN M9F42350) is a 50 A, C-Curve, 3-Pole UL489 DIN Rail-Mount unit with a screw clamp terminal connection. It has a maximum AIR rating of 14kA at 120/240V AC and is not rated for DC voltage.

Frequently Asked Questions

What is the SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker M9F42350 used for?

This 50 A, C-Curve, 3-pole UL489 DIN rail-mount miniature circuit breaker is used for overcurrent protection in commercial and industrial electrical panels. It is suitable for branch circuits with moderate inrush currents, such as motor and lighting loads, and is rated for 14kA at 120/240V AC.

What are the specifications of the SCHNEIDER M9F42350 circuit breaker?

The SCHNEIDER M9F42350 is a 50 A, C-Curve, 3-pole UL489 miniature circuit breaker with a screw clamp terminal connection. Its maximum AIR rating is 14kA at 120/240V AC, and it is not rated for DC voltage. It mounts on a standard DIN rail and is manufactured by SCHNEIDER ELECTRIC.

Where to buy the SCHNEIDER M9F42350 circuit breaker worldwide?

3G Electric supplies the SCHNEIDER M9F42350 miniature circuit breaker worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this SCHNEIDER part.

How to install the SCHNEIDER M9F42350 miniature circuit breaker?

Install the SCHNEIDER M9F42350 by snapping it onto a standard DIN rail. Ensure the circuit is de-energized, then connect conductors to the screw clamp terminals, tightening to the manufacturer's recommended torque. Follow all applicable electrical codes and use proper personal protective equipment during installation.

Used in

Common applications for SCHNEIDER
Motor starting in conveyor systems — Schneider Altistart ATS 22 soft starters (e.g., ATS22D17S6U) reduce inrush current.
Speed control for industrial pumps — Schneider Altivar ATV320 VFDs (e.g., ATV320U55N4W) provide variable flow regulation.
Machine safety interlocking — Schneider XPSUAF13AP safety relays monitor emergency stop circuits on assembly lines.
Panel-mounted control stations — Schneider XB5 flush push buttons (ZB5AA5) serve as start/stop operators in MCCs.
Heavy-duty motor switching — Schneider LC1G150LSEA contactors handle 150 A loads in compressor and crusher applications.
Emergency stop actuation — Schneider 9001K mushroom-head push buttons (9001KR25R) provide red, momentary stop functions.

SCHNEIDER Products

3G Electric supplies SCHNEIDER c-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.

You might also need

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
3-pole miniature circuit breaker with C-curve trip characteristic, rated 4 A and 14 kA interrupting capacity at 120/240 V AC. UL489 listed for DIN rail mounting. Screw clamp terminals. Suitable for overcurrent protection in branch circuits and equipment in industrial and commercial electrical panels
SCHNEIDER
3-pole miniature circuit breaker with C-curve trip characteristic, rated 4 A and 14 kA interrupting capacity at 120/240 V AC. UL489 listed for DIN rail mounting. Screw clamp terminals. Suitable for overcurrent protection in branch circuits and equipment in industrial and commercial electrical panels
This 3-pole miniature circuit breaker features a C-curve trip characteristic for overcurrent protection in branch circuits. Rated 6A with a maximum interrupting rating of 14kA at 120/240V AC, it uses screw clamp terminals for secure wiring. Suitable for DIN rail mounting in UL489 compliant panels
SCHNEIDER
This 3-pole miniature circuit breaker features a C-curve trip characteristic for overcurrent protection in branch circuits. Rated 6A with a maximum interrupting rating of 14kA at 120/240V AC, it uses screw clamp terminals for secure wiring. Suitable for DIN rail mounting in UL489 compliant panels
This 3-pole miniature circuit breaker features a C-curve trip characteristic for overcurrent protection in branch circuits. Rated 10A with a maximum interrupting rating of 14kA at 120/240V AC, it is UL489 listed for use in industrial and commercial electrical panels. Screw clamp terminals facilitate secure wiring connections
SCHNEIDER
This 3-pole miniature circuit breaker features a C-curve trip characteristic for overcurrent protection in branch circuits. Rated 10A with a maximum interrupting rating of 14kA at 120/240V AC, it is UL489 listed for use in industrial and commercial electrical panels. Screw clamp terminals facilitate secure wiring connections
This 3-pole miniature circuit breaker is UL489 listed for DIN rail mounting and features a C-Curve trip characteristic. Rated 5 A with a maximum interrupting rating of 14 kA at 120/240 V AC, it uses screw clamp terminals for secure wiring connections. Suitable for overcurrent protection in branch circuits of commercial and industrial electrical panels
SCHNEIDER
This 3-pole miniature circuit breaker is UL489 listed for DIN rail mounting and features a C-Curve trip characteristic. Rated 5 A with a maximum interrupting rating of 14 kA at 120/240 V AC, it uses screw clamp terminals for secure wiring connections. Suitable for overcurrent protection in branch circuits of commercial and industrial electrical panels
Three-pole miniature circuit breaker with C-curve trip characteristic, rated 35 A and 14 kA interrupting capacity at 120/240 V AC. UL489 listed for branch circuit protection in industrial and commercial distribution panels. Screw clamp terminals facilitate secure wiring. Not rated for DC voltage
SCHNEIDER
Three-pole miniature circuit breaker with C-curve trip characteristic, rated 35 A and 14 kA interrupting capacity at 120/240 V AC. UL489 listed for branch circuit protection in industrial and commercial distribution panels. Screw clamp terminals facilitate secure wiring. Not rated for DC voltage
SCHNEIDER M9F42325 is a 25 A, C-Curve, 3-pole miniature circuit breaker with a maximum interrupting rating of 14 kA at 120/240 V AC. It features screw clamp terminals and is UL489 listed for overcurrent protection in branch circuits. This device is not rated for DC voltage and is commonly used in commercial and industrial electrical panels
SCHNEIDER
SCHNEIDER M9F42325 is a 25 A, C-Curve, 3-pole miniature circuit breaker with a maximum interrupting rating of 14 kA at 120/240 V AC. It features screw clamp terminals and is UL489 listed for overcurrent protection in branch circuits. This device is not rated for DC voltage and is commonly used in commercial and industrial electrical panels

More from SCHNEIDER

View all SCHNEIDER parts →
3-pole, C-curve miniature circuit breaker rated at 3 amps with a maximum interrupting rating of 14kA at 120/240V AC. Features screw clamp terminals and is UL489 listed for overcurrent protection in branch circuits and panelboards. Suitable for moderate inrush loads such as motors and transformers
SCHNEIDER
3-pole, C-curve miniature circuit breaker rated at 3 amps with a maximum interrupting rating of 14kA at 120/240V AC. Features screw clamp terminals and is UL489 listed for overcurrent protection in branch circuits and panelboards. Suitable for moderate inrush loads such as motors and transformers
This 3-pole miniature circuit breaker is rated for 63 A and features a C-Curve trip characteristic. It has a maximum interrupting rating of 14 kA at 120/240 V AC and uses screw clamp terminals. Suitable for DIN rail mounting, it provides overcurrent protection in branch circuits
SCHNEIDER
This 3-pole miniature circuit breaker is rated for 63 A and features a C-Curve trip characteristic. It has a maximum interrupting rating of 14 kA at 120/240 V AC and uses screw clamp terminals. Suitable for DIN rail mounting, it provides overcurrent protection in branch circuits
This SCHNEIDER miniature circuit breaker is a 20 A, C-Curve, 3-Pole device compliant with UL489. It has a maximum interrupting rating of 14kA at 120/240V AC and features screw clamp terminals. Not rated for DC voltage, it is used for overcurrent protection in industrial and commercial electrical panels, mounting on DIN rail
SCHNEIDER
This SCHNEIDER miniature circuit breaker is a 20 A, C-Curve, 3-Pole device compliant with UL489. It has a maximum interrupting rating of 14kA at 120/240V AC and features screw clamp terminals. Not rated for DC voltage, it is used for overcurrent protection in industrial and commercial electrical panels, mounting on DIN rail
This 3-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for DIN rail mounting. Rated 40A with a maximum interrupting rating of 14kA at 120/240V AC, it uses screw clamp terminals. Suitable for branch circuit protection in electrical panels, it is not rated for DC voltage
SCHNEIDER
This 3-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for DIN rail mounting. Rated 40A with a maximum interrupting rating of 14kA at 120/240V AC, it uses screw clamp terminals. Suitable for branch circuit protection in electrical panels, it is not rated for DC voltage
C-curve, 3-pole miniature circuit breaker rated 2 A with a maximum interrupting rating of 14 kA at 120/240 V AC. UL489 listed for DIN rail mounting. Screw clamp terminals. Not rated for DC voltage. Used for branch circuit protection in electrical panels
SCHNEIDER
C-curve, 3-pole miniature circuit breaker rated 2 A with a maximum interrupting rating of 14 kA at 120/240 V AC. UL489 listed for DIN rail mounting. Screw clamp terminals. Not rated for DC voltage. Used for branch circuit protection in electrical panels
This 3-pole miniature circuit breaker features a C-curve trip characteristic for overcurrent protection in branch circuits. Rated 8 amps with a maximum interrupting rating of 14kA at 120/240V AC, it is UL489 listed for DIN rail mounting. The screw clamp terminals facilitate secure wiring connections in electrical distribution panels
SCHNEIDER
This 3-pole miniature circuit breaker features a C-curve trip characteristic for overcurrent protection in branch circuits. Rated 8 amps with a maximum interrupting rating of 14kA at 120/240V AC, it is UL489 listed for DIN rail mounting. The screw clamp terminals facilitate secure wiring connections in electrical distribution panels
This 3-pole miniature circuit breaker is rated 30 A with a C-curve trip characteristic, providing overcurrent protection for branch circuits. It has a maximum interrupting rating of 14 kA at 120/240 V AC and features screw clamp terminals for secure wiring. Suitable for DIN rail mounting in electrical panels, it is commonly used in commercial and industrial applications where moderate inrush currents occur
SCHNEIDER
This 3-pole miniature circuit breaker is rated 30 A with a C-curve trip characteristic, providing overcurrent protection for branch circuits. It has a maximum interrupting rating of 14 kA at 120/240 V AC and features screw clamp terminals for secure wiring. Suitable for DIN rail mounting in electrical panels, it is commonly used in commercial and industrial applications where moderate inrush currents occur
This 45 A, C-Curve, 3-pole miniature circuit breaker is UL489 listed for DIN rail mounting. It provides overcurrent protection for branch circuits in commercial and industrial electrical panels. The screw clamp terminals facilitate secure wiring connections. Rated for AC systems up to 120/240 V with a maximum interrupting rating of 14 kA; not rated for DC voltage
SCHNEIDER
This 45 A, C-Curve, 3-pole miniature circuit breaker is UL489 listed for DIN rail mounting. It provides overcurrent protection for branch circuits in commercial and industrial electrical panels. The screw clamp terminals facilitate secure wiring connections. Rated for AC systems up to 120/240 V with a maximum interrupting rating of 14 kA; not rated for DC voltage