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Honeywell 21EN9RB Enclosed Micro Switch Connector

The Honeywell 21EN9-RB is a robust, enclosed micro switch connector specifically engineered for demanding industrial environments. Constructed with corrosion-resistant steel, this connector provides exceptional durability and protection against harsh conditions. Sealed to MIL-S-8805 specifications, it ensures reliable performance in challenging applications. The design incorporates features like a roller guide lock ring and a keyway in the mounting bushing for secure and precise alignment. This connector is ideal for applications requiring a durable, sealed connection in industrial machinery, automation systems, and other critical infrastructure.

Authorized Distributors
Source:Newark
Part No:21EN9-RB
Stock:6
Inv Date:06-01-2026
Price: Unit price: $7287.59
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Source:DigiKey
Part No:21EN9-RB
Stock:0
Inv Date:06-01-2026
Price: Unit price: $7868.88
Buy/RFQ:
Part No:21EN9-RB
Stock:0
Inv Date:06-02-2026
Price: Unit price: $7224.17
Buy/RFQ:
Part No:21EN9-RB
Stock:4
Inv Date:06-01-2026
Price: Unit price: $6149.88
Buy/RFQ:

Honeywell 21EN9RB Enclosed Micro Switch Connector Specifications:

  • RollerGuideLockRing: Corrosion resistant steel hex nut
  • RollerGuideLockRingDimensions: 812 across flats x .125 thick
  • Keyway: 0.072 wide x 0.004 deep
  • LockWasher: Corrosion resistant steel, 0.87 DIA x 0.022 REF internal thickness
  • SteelTab: Corrosion resistant steel, 0.110 wide x 0.040 thick
  • HoleForThread: 5/8-24 UNEF thread to within .125 of shoulder
  • RollerGuide: May be locked in increments of 45° azimuth
  • OperatingForce: 6-19 LB
  • PlungerTravel: 0.940 max
  • ReleaseForce: 4 LB MIN
  • Overtravel: 250 MIN
  • MatesWith: MS 5106E ~16S (ME)
  • SealedPer: MIL-S-8805, Symbol 4
  • Enclosure: Corrosion resistant steel
  • PolarizingKey: Keyway in mounting bushing and receptacle

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Frequently Asked Questions

Where can I buy Honeywell 21EN9RB?

You can click on the BUY or RFQ button to purchase 21EN9RB from an authorized Honeywell distributor.

How do I troubleshoot issues or seek technical support for part 21EN9RB?

You can download the 21EN9RB datasheet or visit the Honeywell website for support.

Who is the manufacturer of 21EN9RB?

Honeywell

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