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SCHNEIDER M9F43320 D-Curve 3-Pole UL489 Miniature Circuit Breaker - D-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SCHNEIDERD-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

SCHNEIDER M9F43320 D-Curve 3-Pole UL489 Miniature Circuit Breaker

The SCHNEIDER ELECTRIC IEC Miniature Circuit Breaker, model M9F43320, is a 20 A, D-Curve, 3-Pole UL489 DIN Rail-Mount unit. It features a maximum AIR rating of 14kA at 120/240V AC, is not rated for DC voltage, and…

SKU 3G-OTH-20786

Brand
SCHNEIDER
Item
M9F43320 D-Curve 3-Pole UL489 Miniature Circuit Breaker
Category
D-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
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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

Technical Specifications

SCHNEIDER
Manufacturer Part Number
M9F43320
Type
14kA at 120/240V AC, Screw Clamp, D
Max. AIR Rating
14kA at 120/240V AC
DC Voltage Rating
Not Rated
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, model M9F43320, is a 20 A, D-Curve, 3-Pole UL489 DIN Rail-Mount unit. It features a maximum AIR rating of 14kA at 120/240V AC, is not rated for DC voltage, and uses a screw clamp terminal connection.

Frequently Asked Questions

What is the SCHNEIDER ELECTRIC M9F43320 miniature circuit breaker used for?

The SCHNEIDER ELECTRIC M9F43320 is a 20 A, D-Curve, 3-Pole UL489 miniature circuit breaker designed for industrial and commercial DIN rail panels. It protects branch circuits against overloads and short circuits, typically in motor or high-inrush load applications, with a 14kA interrupting rating at 120/240V AC.

What are the specifications of the SCHNEIDER M9F43320 circuit breaker?

The SCHNEIDER M9F43320 is a 20 A, D-Curve, 3-Pole UL489 DIN rail-mount miniature circuit breaker. It has a maximum AIR rating of 14kA at 120/240V AC, is not rated for DC voltage, and uses a screw clamp terminal connection. The manufacturer part number is M9F43320.

Where to buy the SCHNEIDER M9F43320 circuit breaker worldwide?

3G Electric supplies the SCHNEIDER M9F43320 miniature circuit breaker worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this D-Curve, 3-Pole UL489 breaker.

How to install the SCHNEIDER M9F43320 miniature circuit breaker?

Install the SCHNEIDER M9F43320 by snapping it onto a standard DIN rail. Ensure the circuit is de-energized, then connect phase conductors to the screw clamp terminals, torquing to manufacturer specifications. The D-Curve trip characteristic suits high-inrush loads; verify system voltage is 120/240V AC maximum.

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 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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
This 3-pole miniature circuit breaker is rated 5 A with a D-curve trip characteristic, suitable for overcurrent protection in circuits with high inrush currents such as motor and transformer loads. It has a maximum interrupting rating of 14 kA at 120/240 V AC and features screw clamp terminals for secure wiring. The breaker is UL489 listed for DIN rail mounting and is not rated for DC voltage
SCHNEIDER
This 3-pole miniature circuit breaker is rated 5 A with a D-curve trip characteristic, suitable for overcurrent protection in circuits with high inrush currents such as motor and transformer loads. It has a maximum interrupting rating of 14 kA at 120/240 V AC and features screw clamp terminals for secure wiring. The breaker is UL489 listed for DIN rail mounting and is not rated for DC voltage
This 3-pole miniature circuit breaker features a D-curve trip characteristic for high-inrush loads such as motors and transformers. Rated 2A 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 industrial and commercial distribution panels
SCHNEIDER
This 3-pole miniature circuit breaker features a D-curve trip characteristic for high-inrush loads such as motors and transformers. Rated 2A 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 industrial and commercial distribution panels
3-pole D-curve miniature circuit breaker rated 6 A with a maximum interrupting rating of 14 kA at 120/240 V AC. UL489 listed for DIN rail mounting, it uses screw clamp terminals and is not DC rated. Suitable for branch circuit protection in industrial and commercial applications where high inrush currents occur
SCHNEIDER
3-pole D-curve miniature circuit breaker rated 6 A with a maximum interrupting rating of 14 kA at 120/240 V AC. UL489 listed for DIN rail mounting, it uses screw clamp terminals and is not DC rated. Suitable for branch circuit protection in industrial and commercial applications where high inrush currents occur
3-pole DIN rail-mount miniature circuit breaker with D-curve trip characteristic for overcurrent protection in commercial and industrial distribution panels. Rated 35A with 14kA interrupting capacity at 120/240V AC. Screw clamp terminals. Not rated for DC voltage
SCHNEIDER
3-pole DIN rail-mount miniature circuit breaker with D-curve trip characteristic for overcurrent protection in commercial and industrial distribution panels. Rated 35A with 14kA interrupting capacity at 120/240V AC. Screw clamp terminals. Not rated for DC voltage

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This 3-pole miniature circuit breaker is rated 25 A with a D-curve trip characteristic for high inrush loads. It has a maximum interrupting rating of 14 kA at 120/240 V AC and uses screw clamp terminals. Suitable for overcurrent protection in branch circuits within industrial and commercial electrical panels
SCHNEIDER
This 3-pole miniature circuit breaker is rated 25 A with a D-curve trip characteristic for high inrush loads. It has a maximum interrupting rating of 14 kA at 120/240 V AC and uses screw clamp terminals. Suitable for overcurrent protection in branch circuits within industrial and commercial electrical panels
This 30 A, D-Curve, 3-pole miniature circuit breaker is UL489 listed for branch circuit protection in AC systems. It features a maximum interrupting rating of 14kA at 120/240V AC and screw clamp terminals for secure wiring. Designed for DIN rail mounting, it is suitable for applications with high inrush currents such as motor and transformer circuits. Not rated for DC voltage
SCHNEIDER
This 30 A, D-Curve, 3-pole miniature circuit breaker is UL489 listed for branch circuit protection in AC systems. It features a maximum interrupting rating of 14kA at 120/240V AC and screw clamp terminals for secure wiring. Designed for DIN rail mounting, it is suitable for applications with high inrush currents such as motor and transformer circuits. Not rated for DC voltage
This 3-pole miniature circuit breaker is rated for 8 amps with a D-curve trip characteristic, suitable for applications with high inrush currents such as motor and transformer circuits. It has a maximum interrupting rating of 14kA at 120/240V AC and features screw clamp terminals for secure wiring connections. The breaker is UL489 listed for branch circuit protection and mounts on DIN rail
SCHNEIDER
This 3-pole miniature circuit breaker is rated for 8 amps with a D-curve trip characteristic, suitable for applications with high inrush currents such as motor and transformer circuits. It has a maximum interrupting rating of 14kA at 120/240V AC and features screw clamp terminals for secure wiring connections. The breaker is UL489 listed for branch circuit protection and mounts on DIN rail
This 15 A, D-Curve, 3-pole miniature circuit breaker is UL489 listed for branch-circuit protection. It mounts on DIN rail and features a screw clamp terminal connection. With a maximum interrupting rating of 14kA at 120/240V AC, it is suited for applications with high inrush currents such as motor and transformer circuits. Not rated for DC voltage
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This 15 A, D-Curve, 3-pole miniature circuit breaker is UL489 listed for branch-circuit protection. It mounts on DIN rail and features a screw clamp terminal connection. With a maximum interrupting rating of 14kA at 120/240V AC, it is suited for applications with high inrush currents such as motor and transformer circuits. Not rated for DC voltage
This 3-pole miniature circuit breaker features a D-curve trip characteristic for applications with high inrush currents, such as motor or transformer protection. Rated 40A with a maximum interrupting rating of 14kA at 120/240V AC, it uses screw clamp terminals and mounts on a DIN rail. Complies with UL489 standards
SCHNEIDER
This 3-pole miniature circuit breaker features a D-curve trip characteristic for applications with high inrush currents, such as motor or transformer protection. Rated 40A with a maximum interrupting rating of 14kA at 120/240V AC, it uses screw clamp terminals and mounts on a DIN rail. Complies with UL489 standards
This 4 A, D-Curve, 3-pole miniature circuit breaker is UL489 listed for DIN rail mounting. It provides overcurrent protection with a maximum AIR rating of 14kA at 120/240V AC and features screw clamp terminals. Suitable for branch circuit protection in electrical panels where high inrush currents are present
SCHNEIDER
This 4 A, D-Curve, 3-pole miniature circuit breaker is UL489 listed for DIN rail mounting. It provides overcurrent protection with a maximum AIR rating of 14kA at 120/240V AC and features screw clamp terminals. Suitable for branch circuit protection in electrical panels where high inrush currents are present
This 3-pole miniature circuit breaker is rated 3 A with a D-curve trip characteristic, providing branch circuit protection for industrial and commercial AC applications. It is UL489 listed for DIN rail mounting and features a screw clamp terminal connection. The maximum interrupting rating is 14kA at 120/240V AC; not rated for DC voltage
SCHNEIDER
This 3-pole miniature circuit breaker is rated 3 A with a D-curve trip characteristic, providing branch circuit protection for industrial and commercial AC applications. It is UL489 listed for DIN rail mounting and features a screw clamp terminal connection. The maximum interrupting rating is 14kA at 120/240V AC; not rated for DC voltage
This 3-pole miniature circuit breaker features a D-curve trip characteristic for applications with high inrush currents, such as motor and transformer circuits. Rated 1A 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 distribution panels for branch-circuit protection
SCHNEIDER
This 3-pole miniature circuit breaker features a D-curve trip characteristic for applications with high inrush currents, such as motor and transformer circuits. Rated 1A 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 distribution panels for branch-circuit protection