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SCHNEIDER Supplementary Protector: 8 A Amps, 14kA at 240V AC, Screw Clamp - B-Curve, 4-Pole UL1077 DIN Rail-Mount Supplementary Protectors
SCHNEIDERB-Curve, 4-Pole UL1077 DIN Rail-Mount Supplementary Protectors

SCHNEIDER Supplementary Protector: 8 A Amps, 14kA at 240V AC, Screw Clamp

The SCHNEIDER ELECTRIC IEC Supplementary Protector is a B-Curve, 4-Pole UL1077 DIN Rail-Mount device rated at 8 A Amps. Part of the C60SP series (MPN M9F21408), it features a Max. AIR Rating of 14kA at 240V AC and a…

SKU 3G-OTH-21588

Brand
SCHNEIDER
Item
Supplementary Protector: 8 A Amps, 14kA at 240V AC, Screw Clamp
Category
B-Curve, 4-Pole UL1077 DIN Rail-Mount Supplementary Protectors
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Technical Specifications

SCHNEIDER
Manufacturer Part Number
M9F21408
Series
C60SP
Type
14kA at 240V AC, Screw Clamp, B
Max. AIR Rating
14kA at 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 Supplementary Protector is a B-Curve, 4-Pole UL1077 DIN Rail-Mount device rated at 8 A Amps. Part of the C60SP series (MPN M9F21408), it features a Max. AIR Rating of 14kA at 240V AC and a Screw Clamp terminal connection. This supplementary protector is not rated for DC voltage.

Frequently Asked Questions

What is the SCHNEIDER ELECTRIC IEC Supplementary Protector M9F21408 used for?

The SCHNEIDER M9F21408 is a B-Curve, 4-Pole UL1077 DIN Rail-Mount supplementary protector rated at 8 A Amps. It protects branch circuits and equipment from overcurrent and short circuits in industrial control panels, HVAC systems, and machinery across 14 industrial departments.

What are the specifications of the SCHNEIDER C60SP M9F21408?

The SCHNEIDER C60SP M9F21408 is a supplementary protector with 8 A Amps, B-Curve, 4-Pole, Max. AIR Rating 14kA at 240V AC, Screw Clamp terminal connection, and DC Voltage Rating Not Rated. It is UL1077 listed and DIN rail mountable.

Where to buy the SCHNEIDER M9F21408 supplementary protector worldwide?

3G Electric supplies the SCHNEIDER M9F21408 supplementary protector worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this C60SP series device.

How to install the SCHNEIDER M9F21408 on a DIN rail?

To install the SCHNEIDER M9F21408, snap the 4-Pole unit onto a standard 35 mm DIN rail until it locks. Use a screwdriver to tighten the Screw Clamp terminals to the recommended torque. Ensure the circuit is de-energized and follow local electrical codes for supplementary protectors.

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 b-curve, 4-pole ul1077 din rail-mount supplementary protectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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SCHNEIDER ELECTRIC IEC Supplementary Protector: 6 A Amps, 14kA at 240V AC, Screw Clamp, B (MPN M9F21406). Key specifications — Series: C60SP; DC Voltage Rating: Not Rated; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SCHNEIDER.
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SCHNEIDER ELECTRIC IEC Supplementary Protector: 16 A Amps, 14kA at 240V AC, Screw Clamp, B (MPN M9F21416). Key specifications — Series: C60SP; DC Voltage Rating: Not Rated; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SCHNEIDER.
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