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SCHNEIDER Supplementary Protector: 50 A Amps, 500V DC, 5kA at 250V DC, Screw Clamp - DC-Only Rated, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors
SCHNEIDERDC-Only Rated, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors

SCHNEIDER Supplementary Protector: 50 A Amps, 500V DC, 5kA at 250V DC, Screw Clamp

The SCHNEIDER IEC Supplementary Protector is a DC-only rated, 2-pole UL1077 DIN rail-mount supplementary protector from the C60H-DC series. It is rated for 50 A amps, 500V DC, with a Max. AIR Rating of 5kA at 250V…

SKU 3G-OTH-22283

Brand
SCHNEIDER
Item
Supplementary Protector: 50 A Amps, 500V DC, 5kA at 250V DC, Screw Clamp
Category
DC-Only Rated, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors
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Technical Specifications

SCHNEIDER
Manufacturer Part Number
M9U21250
Series
C60H-DC
Type
5kA at 250V DC, Screw Clamp, C60H-DC, C
DC
500V
Curve Type
C
Max. AIR Rating
5kA at 250V DC
AC Voltage Rating
Not Rated
DC Voltage Rating
500V 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, 2-pole UL1077 DIN rail-mount supplementary protector from the C60H-DC series. It is rated for 50 A amps, 500V DC, with a Max. AIR Rating of 5kA at 250V DC, a C curve type, and screw clamp terminals (MPN M9U21250). 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 is used for DC circuit protection in industrial control panels, solar arrays, and battery systems. It is a 2-pole UL1077 device rated for 50 A at 500V DC, with a C curve and 5kA interrupting capacity at 250V DC. It is not rated for AC voltage.

What are the specifications of the SCHNEIDER M9U21250?

The SCHNEIDER M9U21250 is a 50 A, 2-pole DC supplementary protector from the C60H-DC series. It has a DC voltage rating of 500V DC, a max. AIR rating of 5kA at 250V DC, a C curve type, and screw clamp terminals. It is UL1077 listed and not rated for AC voltage.

Where to buy SCHNEIDER C60H-DC supplementary protectors worldwide?

You can source the SCHNEIDER C60H-DC supplementary protector worldwide through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the M9U21250.

How to install a SCHNEIDER C60H-DC supplementary protector?

Install the SCHNEIDER C60H-DC supplementary protector by snapping it onto a standard DIN rail. Ensure the DC supply is off, then connect wires to the screw clamp terminals per the wiring diagram. Torque terminals to manufacturer specifications. This device is DC-only; do not use on AC circuits.

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, 2-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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