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Transparent GE CR305X100D auxiliary contact block, side-mount, 1 NO contact

GE

GE CR305X100D Auxiliary Contact Block 1NO 10 A Transparent

SKU CH-KERX-8FFRN

Auxiliary contact block adds one normally-open 10 A circuit to compatible GE 300-Line contactors and starters

  • TypeIndustrial Electrical Controls & Automation
  • ColorTransparent
  • Adds one normally-open contact to a starter
  • Rated for 10 A continuous current
  • Handles up to 600 V AC switching voltage
  • Side-mount design fits Series 300 contactors
  • Transparent housing allows visual contact inspection

Auxiliary Contact Block 1NO 10 A

The GE CR305X100D is an auxiliary contact block rated for 10 A AC current with one normally open contact. It is designed for side mounting on compatible Series 300-Line contactors and starters across NEMA sizes 0 through 4.

Transparent housing side-mount design

The transparent enclosure allows visual confirmation of contact status during inspection or troubleshooting. Side mounting keeps the block accessible without increasing the overall depth of the starter assembly in the panel.

Adds a single holding or signal circuit

This block adds one normally open contact to an existing contactor, replacing the need for a separate pilot relay in simple control schemes. The upgrade is worthwhile when a single auxiliary circuit is required and the contactor has an available side-mount position.

Highlights

  • Adds one normally-open contact to a starter
  • Rated for 10 A continuous current
  • Handles up to 600 V AC switching voltage
  • Side-mount design fits Series 300 contactors
  • Transparent housing allows visual contact inspection

Specifications

BrandGE
TypeIndustrial Electrical Controls & Automation
ColorTransparent

Questions about this item

What is the 600 V AC rating on the CR305X100D and what does it cap in practice?

The 600 V AC rating is the maximum voltage the contact block can switch on the AC side. It caps the highest AC control-circuit voltage you may apply to the single normally open contact.

What mounting space does the CR305X100D need on a 300-Line contactor?

It mounts on the side of any 300-Line contactor or starter in NEMA sizes 00 through 4. No extra panel cut-out or rail is required.

How is the CR305X100D installed, and which step is often missed?

Snap the block onto the side of the contactor until it clicks, then verify the auxiliary circuit is wired to the correct 1 NO terminal. The missed step is confirming the click before wiring.

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