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SCHNEIDER Supplementary Protector: 20 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: 20 A Amps, 500V DC, 5kA at 250V DC, Screw Clamp

The SCHNEIDER IEC Supplementary Protector is a 20 A, 2-pole DC-only rated UL1077 DIN rail-mount supplementary protector from the C60H-DC series. It features a D curve type, a DC voltage rating of 500V DC, and a…

SKU 3G-OTH-22391

Brand
SCHNEIDER
Item
Supplementary Protector: 20 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
M9U31220
Series
C60H-DC
Type
5kA at 250V DC, Screw Clamp, C60H-DC, D
DC
500V
Curve Type
D
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 20 A, 2-pole DC-only rated UL1077 DIN rail-mount supplementary protector from the C60H-DC series. It features a D curve type, a DC voltage rating of 500V DC, and a maximum AIR rating of 5kA at 250V DC, with screw clamp terminals (MPN M9U31220). 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 overcurrent protection in DC circuits, such as solar photovoltaic systems, battery banks, and DC distribution panels. It is a 20 A, 2-pole device rated for 500V DC with a D curve, designed for DIN rail mounting and meeting UL1077 standards.

What are the specifications of the SCHNEIDER M9U31220?

The SCHNEIDER M9U31220 is a 20 A, 2-pole DC-only supplementary protector from the C60H-DC series. It has a DC voltage rating of 500V DC, a maximum AIR rating of 5kA at 250V DC, a D curve type, and screw clamp terminals. It is not rated for AC voltage and is UL1077 listed.

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

You can source the SCHNEIDER C60H-DC supplementary protector worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this SCHNEIDER M9U31220 model.

How to select the right SCHNEIDER supplementary protector for DC applications?

To select the right SCHNEIDER supplementary protector, match the DC voltage rating (e.g., 500V DC) and current rating (e.g., 20 A) to your circuit. Choose the curve type (D for high inrush loads) and ensure the interrupting rating (5kA at 250V DC) exceeds fault current. Use screw clamp terminals for secure wiring.

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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SCHNEIDER IEC Supplementary Protector: 20 A Amps, 500V DC, 5kA at 250V DC, Screw Clamp, C60H-DC, C (MPN M9U21220). Key specifications — Terminal Connection: Screw Clamp; AC Voltage Rating: Not Rated; Curve Type: C; DC Voltage Rating: 500V DC; Max. AIR Rating: 5kA at 250V DC; Series: C60H-DC; Brand: SCHNEIDER.
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SCHNEIDER IEC Supplementary Protector: 20 A Amps, 500V DC, 5kA at 250V DC, Screw Clamp, C60H-DC, C (MPN M9U21220). Key specifications — Terminal Connection: Screw Clamp; AC Voltage Rating: Not Rated; Curve Type: C; DC Voltage Rating: 500V DC; Max. AIR Rating: 5kA at 250V DC; Series: C60H-DC; Brand: SCHNEIDER.