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SCHNEIDER Miniature Circuit Breaker: 3 A Amps, 14kA at 120/240V AC, Screw Clamp - C-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SCHNEIDERC-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

SCHNEIDER Miniature Circuit Breaker: 3 A Amps, 14kA at 120/240V AC, Screw Clamp

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
Miniature Circuit Breaker: 3 A Amps, 14kA at 120/240V AC, Screw Clamp
Category
C-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
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Technical Specifications

SCHNEIDER
Manufacturer Part Number
M9F42303
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
View Full Spec Sheet

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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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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
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.

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