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Black rectangular rocker switch with four quick-connect tabs

Hubbell Incorporated

Hubbell Wiring Device-Kellems MR21SP DPST rocker switch

SKU CH-857H-AC9X6

A DPST rocker switch with four 0.250 in quick-connect tabs rated for 5 A at 12 V DC

  • TypeLight Switch
  • Color/FinishBlack
  • Color MappingBlack
  • DPST contact form controls two circuits independently
  • 5 A at 12 V DC rating powers accessories and lights
  • 250 in quick-connect tabs speed up installation
  • 875 in x 1.500 in mounting hole fits standard panels
  • Operating range 32 to 100 °F suits marine environments

Marine Rocker Switch

The Hubbell Wiring Device-Kellems MR21SP is a DPST rocker switch designed for marine accessory circuits. It controls two separate poles with a single On/Off actuator. The black body and actuator suit dash or panel installations where a straightforward power control is required.

Boaters adding lights or horns

This switch suits 12 V DC accessory wiring such as navigation lights, deck lights or a horn. It is rated for 5 A at 12 V. Installers needing an AC-rated device, a different contact form, or an illuminated actuator should select another part.

0.875 in x 1.500 in mounting hole

The switch fits a rectangular cut-out measuring 0.875 in by 1.500 in. Terminals accept 0.250 in quick-connect tabs for fast, solderless wiring. Verify the panel cut-out and terminal style before ordering.

Highlights

  • DPST contact form controls two circuits independently
  • 5 A at 12 V DC rating powers accessories and lights
  • 250 in quick-connect tabs speed up installation
  • 875 in x 1.500 in mounting hole fits standard panels
  • Operating range 32 to 100 °F suits marine environments

Specifications

TypeLight Switch
BrandHubbell Wiring Device-Kellems
Color/FinishBlack
Color MappingBlack

Questions about this item

What comes in the box with the MR21SP rocker switch and what must be purchased separately?

The switch itself is supplied. Quick-connect terminals accept 0.250 in tabs, so matching connectors or a wiring harness must be sourced separately for installation.

How do I choose between the available versions or capacities of this switch?

The MR21SP is a single DPST on/off model rated 5 A at 12 V DC with a 0.875 in by 1.500 in mounting hole; no alternative contact forms or current ratings are offered for this part number.

What does the 5 A at 12 V DC rating mean when the switch is installed in a vehicle circuit?

It indicates the switch can safely control accessory loads such as lights or a horn drawing up to 5 amps on a 12-volt system within the 32 to 100 °F operating range.

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