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SCHNEIDER M9F42120 C-Curve 1-Pole UL489 Miniature Circuit Breaker - C-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SCHNEIDERC-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

SCHNEIDER M9F42120 C-Curve 1-Pole UL489 Miniature Circuit Breaker

The SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker (MPN M9F42120) is a C-Curve, 1-Pole UL489 DIN Rail-Mount unit rated at 20 A. It features a Max. AIR Rating of 14kA at 120/240V AC, AC Voltage Rating of 240/415V…

SKU 3G-OTH-22764

Brand
SCHNEIDER
Item
M9F42120 C-Curve 1-Pole UL489 Miniature Circuit Breaker
Part Number
M9F42120
Category
C-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
Available to Order
Also known as:M9F42120SCHNEIDER
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SCHNEIDER
Manufacturer Part Number
M9F42120
Type
14kA at 120/240V AC, C60BP
DC
60V
Max. AIR Rating
14kA at 120/240V AC
AC Voltage Rating
240/415V AC
DC Voltage Rating
60V DC
Terminal Connection
Screw Clamp

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

Product Description

The SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker (MPN M9F42120) is a C-Curve, 1-Pole UL489 DIN Rail-Mount unit rated at 20 A. It features a Max. AIR Rating of 14kA at 120/240V AC, AC Voltage Rating of 240/415V AC, and DC Voltage Rating of 60V DC, with a Screw Clamp terminal connection.

Frequently Asked Questions

What is the SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker M9F42120 used for?

This C-Curve, 1-Pole UL489 DIN Rail-Mount breaker protects branch circuits in industrial and commercial panels. It handles 20 A loads at 240/415V AC or 60V DC, with a 14kA interrupting rating at 120/240V AC. Typical applications include motor control, lighting, and distribution boards.

What are the specifications of the SCHNEIDER M9F42120 circuit breaker?

The SCHNEIDER M9F42120 is a 20 A, C-Curve, 1-Pole UL489 miniature circuit breaker. It has a Max. AIR Rating of 14kA at 120/240V AC, AC Voltage Rating of 240/415V AC, DC Voltage Rating of 60V DC, and a Screw Clamp terminal connection. It mounts on a standard DIN rail.

Where to buy the SCHNEIDER M9F42120 circuit breaker worldwide?

3G Electric supplies the SCHNEIDER M9F42120 to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this C-Curve, 1-Pole UL489 breaker.

How to install the SCHNEIDER M9F42120 miniature circuit breaker?

Snap the breaker onto a 35 mm DIN rail until it locks. Connect line and load wires to the Screw Clamp terminals, torquing to the manufacturer's specification. Ensure the circuit is de-energized before installation. For DC applications, verify polarity per SCHNEIDER guidelines.

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, 1-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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