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SCHNEIDER Supplementary Protector: 50 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: 50 A Amps, 250V DC, 5kA at 250V DC, Screw Clamp

The SCHNEIDER IEC Supplementary Protector is a DC-only rated, 1-pole UL1077 DIN rail-mount supplementary protector from the C60H-DC series, model M9U21150. It is rated for 50 A amps at 250V DC with a maximum AIR…

SKU 3G-OTH-19760

Brand
SCHNEIDER
Item
Supplementary Protector: 50 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
M9U21150
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 DC-only rated, 1-pole UL1077 DIN rail-mount supplementary protector from the C60H-DC series, model M9U21150. It is rated for 50 A amps at 250V DC with a maximum AIR rating of 5kA at 250V DC, features a C curve type, and uses screw clamp terminals. 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 (M9U21150) protects DC circuits from overcurrents and short circuits. It is used in industrial control panels, solar systems, and DC distribution applications where a 50 A, 250V DC rating with C-curve tripping is required.

What are the specifications of the SCHNEIDER M9U21150?

The SCHNEIDER M9U21150 is a 1-pole UL1077 supplementary protector rated 50 A at 250V DC, with a maximum AIR rating of 5kA at 250V DC. It features a C curve type, screw clamp terminals, and is not rated for AC voltage. It is part of the C60H-DC series.

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

3G Electric supplies the SCHNEIDER C60H-DC supplementary protector (M9U21150) 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.

How to install a SCHNEIDER C60H-DC supplementary protector?

Install the SCHNEIDER C60H-DC protector on a standard DIN rail. Ensure the DC supply is off, connect wires to the screw clamp terminals per the wiring diagram, and torque to the manufacturer's specification. Verify polarity and rated voltage before energizing.

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.