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SCHNEIDER Supplementary Protector: 4 A Amps, 250V DC, 5kA at 250V DC, Screw Clamp - DC-Only Rated, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors
SCHNEIDERDC-Only Rated, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors

SCHNEIDER Supplementary Protector: 4 A Amps, 250V DC, 5kA at 250V DC, Screw Clamp

The SCHNEIDER IEC Supplementary Protector is a 4 A, DC-only rated, 1-pole UL1077 DIN rail-mount supplementary protector from the C60H-DC series. It features a C curve type, a maximum AIR rating of 5kA at 250V DC, and…

SKU 3G-OTH-19582

Brand
SCHNEIDER
Item
Supplementary Protector: 4 A Amps, 250V DC, 5kA at 250V DC, Screw Clamp
Category
DC-Only Rated, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors
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Technical Specifications

SCHNEIDER
Manufacturer Part Number
M9U21104
Series
C60H-DC
Type
5kA at 250V DC, Screw Clamp, C60H-DC, C
DC
250V
Curve Type
C
Max. AIR Rating
5kA at 250V DC
AC Voltage Rating
Not Rated
DC Voltage Rating
250V DC
Terminal Connection
Screw Clamp
View Full Spec Sheet

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

Product Description

The SCHNEIDER IEC Supplementary Protector is a 4 A, DC-only rated, 1-pole UL1077 DIN rail-mount supplementary protector from the C60H-DC series. It features a C curve type, a maximum AIR rating of 5kA at 250V DC, and a DC voltage rating of 250V DC, with screw clamp terminals (MPN M9U21104). This device is not rated for AC voltage.

Frequently Asked Questions

What is the SCHNEIDER C60H-DC supplementary protector used for?

The SCHNEIDER C60H-DC supplementary protector (MPN M9U21104) protects DC circuits from overcurrents and short circuits. It is used in industrial control panels, solar systems, and DC power distribution where a 4 A, 250V DC, C-curve device is required. It is UL1077 listed for supplementary protection.

What are the specifications of the SCHNEIDER M9U21104?

The SCHNEIDER M9U21104 is a 4 A, 1-pole DC-only supplementary protector rated 250V DC with a maximum AIR of 5kA at 250V DC. It has a C curve type, screw clamp terminals, and is from the C60H-DC series. It is not rated for AC voltage and mounts on a DIN rail.

Where to buy the SCHNEIDER C60H-DC supplementary protector worldwide?

3G Electric supplies the SCHNEIDER C60H-DC supplementary protector (M9U21104) 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 DC-rated protector.

How to install a SCHNEIDER C60H-DC supplementary protector?

Install the SCHNEIDER C60H-DC protector by snapping it onto a standard 35 mm DIN rail. Connect DC supply to the line terminal and load to the load terminal using screw clamp connections. Ensure the system is de-energized before installation. Follow NEC and local codes for DC overcurrent protection.

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 dc-only rated, 1-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 IEC Supplementary Protector: 63 A Amps, 250V DC, 5kA at 250V DC, Screw Clamp, C60H-DC, D (MPN M9U31163). Key specifications — Brand: SCHNEIDER; Terminal Connection: Screw Clamp; DC Voltage Rating: 250V DC; Max. AIR Rating: 5kA at 250V DC; Series: C60H-DC; AC Voltage Rating: Not Rated; Curve Type: D.
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SCHNEIDER IEC Supplementary Protector: 13 A Amps, 250V DC, 5kA at 250V DC, Screw Clamp, C60H-DC, C (MPN M9U21113). Key specifications — Brand: SCHNEIDER; Terminal Connection: Screw Clamp; DC Voltage Rating: 250V DC; Max. AIR Rating: 5kA at 250V DC; Series: C60H-DC; AC Voltage Rating: Not Rated; Curve Type: C.
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SCHNEIDER IEC Supplementary Protector: 10 A Amps, 250V DC, 5kA at 250V DC, Screw Clamp, C60H-DC, C (MPN M9U21110). Key specifications — Brand: SCHNEIDER; Terminal Connection: Screw Clamp; DC Voltage Rating: 250V DC; Max. AIR Rating: 5kA at 250V DC; Series: C60H-DC; AC Voltage Rating: Not Rated; Curve Type: C.
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SCHNEIDER IEC Supplementary Protector: 20 A Amps, 250V DC, 5kA at 250V DC, Screw Clamp, C60H-DC, C (MPN M9U21120). Key specifications — Brand: SCHNEIDER; Terminal Connection: Screw Clamp; DC Voltage Rating: 250V DC; Max. AIR Rating: 5kA at 250V DC; Series: C60H-DC; AC Voltage Rating: Not Rated; Curve Type: C.
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SCHNEIDER IEC Supplementary Protector: 20 A Amps, 250V DC, 5kA at 250V DC, Screw Clamp, C60H-DC, C (MPN M9U21120). Key specifications — Brand: SCHNEIDER; Terminal Connection: Screw Clamp; DC Voltage Rating: 250V DC; Max. AIR Rating: 5kA at 250V DC; Series: C60H-DC; AC Voltage Rating: Not Rated; Curve Type: C.
SCHNEIDER IEC Supplementary Protector: 63 A Amps, 250V DC, 5kA at 250V DC, Screw Clamp, C60H-DC, C (MPN M9U21163). Key specifications — Brand: SCHNEIDER; Terminal Connection: Screw Clamp; DC Voltage Rating: 250V DC; Max. AIR Rating: 5kA at 250V DC; Series: C60H-DC; AC Voltage Rating: Not Rated; Curve Type: C.
SCHNEIDER
SCHNEIDER IEC Supplementary Protector: 63 A Amps, 250V DC, 5kA at 250V DC, Screw Clamp, C60H-DC, C (MPN M9U21163). Key specifications — Brand: SCHNEIDER; Terminal Connection: Screw Clamp; DC Voltage Rating: 250V DC; Max. AIR Rating: 5kA at 250V DC; Series: C60H-DC; AC Voltage Rating: Not Rated; Curve Type: C.
SCHNEIDER IEC Supplementary Protector: 40 A Amps, 250V DC, 5kA at 250V DC, Screw Clamp, C60H-DC, D (MPN M9U31140). Key specifications — Brand: SCHNEIDER; Terminal Connection: Screw Clamp; DC Voltage Rating: 250V DC; Max. AIR Rating: 5kA at 250V DC; Series: C60H-DC; AC Voltage Rating: Not Rated; Curve Type: D.
SCHNEIDER
SCHNEIDER IEC Supplementary Protector: 40 A Amps, 250V DC, 5kA at 250V DC, Screw Clamp, C60H-DC, D (MPN M9U31140). Key specifications — Brand: SCHNEIDER; Terminal Connection: Screw Clamp; DC Voltage Rating: 250V DC; Max. AIR Rating: 5kA at 250V DC; Series: C60H-DC; AC Voltage Rating: Not Rated; Curve Type: D.