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3G Electric
SCHNEIDER M9F42303 C-Curve 3-Pole 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 M9F42303 C-Curve 3-Pole Miniature Circuit Breaker

The SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker is a C-Curve, 3-Pole UL489 DIN Rail-Mount unit rated at 3 Amps. It features a Max. AIR Rating of 14kA at 120/240V AC, a Screw Clamp terminal connection, and is not…

SKU 3G-OTH-20672

Brand
SCHNEIDER
Item
M9F42303 C-Curve 3-Pole Miniature Circuit Breaker
Part Number
M9F42303
Category
C-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
Available to Order
Also known as:M9F42303SCHNEIDER
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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

Compliance & shipping

Hazardous material
Yes — hazmat handling and paperwork applyHazardous Material
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

SCHNEIDER
Manufacturer Part Number
M9F42303
Type
14kA at 120/240V AC, Screw Clamp, C
Length
10.31 cm
Amps
3 A
RoHS
ROHS3 Compliant
Width
5.41 cm
Height
7.19 cm
Weight
0.387 kg
Catalog Page
180
Mounting Type
DIN Rail
Max. AIR Rating
14kA at 120/240V AC
Number of Poles
3
Country Of Origin
FR
DC Voltage Rating
Not Rated
Terminal Connection
Screw Clamp

Technical Documents

(1)
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SCHNEIDER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker is a C-Curve, 3-Pole UL489 DIN Rail-Mount unit rated at 3 Amps. It features a Max. AIR Rating of 14kA at 120/240V AC, a Screw Clamp terminal connection, and is not rated for DC voltage. This SCHNEIDER breaker (MPN M9F42303) provides overcurrent protection for industrial electrical systems.

Frequently Asked Questions

What is the SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker M9F42303 used for?

This SCHNEIDER breaker provides overcurrent protection in industrial electrical systems. Its C-curve trip characteristic suits moderate inrush loads like motors and transformers. The 3-pole, 3 Amp rating and 14kA interrupting capacity at 120/240V AC make it suitable for branch circuits in panelboards and machinery.

What are the specifications of the SCHNEIDER M9F42303 miniature circuit breaker?

The SCHNEIDER M9F42303 is a 3-pole, C-curve miniature circuit breaker rated at 3 Amps. It has a maximum AIR rating of 14kA at 120/240V AC, uses screw clamp terminals, and is not rated for DC voltage. It is UL489 listed for DIN rail mounting.

Where to buy the SCHNEIDER M9F42303 circuit breaker worldwide?

3G Electric supplies the SCHNEIDER M9F42303 miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this genuine SCHNEIDER part.

How to install the SCHNEIDER M9F42303 miniature circuit breaker?

Install the SCHNEIDER M9F42303 on a standard DIN rail. Ensure the breaker is in the OFF position before wiring. Connect phase conductors to the screw clamp terminals and torque to manufacturer specifications. Verify the system is de-energized before installation and follow local electrical codes.

Used in

Common applications for SCHNEIDER
Industrial motor control — TeSys Deca LADR0 off-delay timer module for timed contactor operation
Control panel automation — Schneider 781R series socket-mounted relay with 24V AC coil and SPDT contacts
Machine control systems — Schneider 784 series 4PDT relay rated 15 A for signal switching
Electrical panel branch protection — C60BP 2-pole 35 A C-curve miniature circuit breaker
Motor management systems — TeSys Island TPRAN2X1 analog I/O expansion module for process monitoring
Control circuit supplementary protection — C60SP 1-pole 40 A B-curve supplementary protector
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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.

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