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Yellow nylon pendant push button station, two momentary buttons, up/down legends, 9.13 in tall, 2.38 in wide

Hubbell Incorporated

Hubbell Incorporated CPB21 Pendant Push Button Station 2NO Yellow

SKU CH-R4ZG-58EEX

Two-button pendant station with momentary push buttons, 2NO contacts, IP55 and NEMA 4X ratings, and a 1/2 in NPT hub

  • TypeIndustrial Electrical Controls & Automation
  • Two-button momentary control for up/down operation
  • 2NO contact form rated 3A at 240V and 6A at 120V
  • NEMA 4X and IP55 enclosure resists water and dust
  • Mechanical interlock prevents simultaneous button activation
  • Nylon yellow housing with 1/2 in NPT hub measures 9.13 in high by 2.38 in wide

Industrial Pendant Control Station

The Hubbell CPB21 is a yellow pendant push button station designed for industrial machinery control. It provides two momentary push buttons with up/down legends for direct operator input. The nylon enclosure meets NEMA 4X and IP55 ratings for indoor or outdoor use. It suits maintenance teams and machine builders needing a durable handheld station.

Two Normally Open Contacts with Interlock

The station uses a 2NO contact form rated at 3A at 240V and 6A at 120V. A mechanical interlock prevents both buttons from being actuated simultaneously for safety. The operators are yellow push buttons with momentary action and no pilot lights. It connects via a 1/2 inch NPT hub for conduit entry.

Sealed Nylon Enclosure for Harsh Environments

The yellow nylon housing measures 9.13 inches in height and 2.38 inches in width. The NEMA 4X and IP55 ratings protect internal contacts from dust, water jets and corrosion. No active cooling or power supply is required as the unit is a passive switching device. It operates silently with no thermal load in normal use.

Highlights

  • Two-button momentary control for up/down operation
  • 2NO contact form rated 3A at 240V and 6A at 120V
  • NEMA 4X and IP55 enclosure resists water and dust
  • Mechanical interlock prevents simultaneous button activation
  • Nylon yellow housing with 1/2 in NPT hub measures 9.13 in high by 2.38 in wide

Specifications

BrandHUBBELL WIRING DEVICE-KELLEMS
TypeIndustrial Electrical Controls & Automation

Questions about this item

What does the 2NO contact form mean when the pendant is wired into a control circuit?

2NO provides two normally open contacts that close only while the button is pressed, giving momentary start/stop signals for each operator.

How does the 1/2 in NPT hub limit the cable or conduit that can be attached?

The hub accepts 1/2 inch NPT threaded conduit or fittings, so only cable assemblies terminated for that thread size will seal to the IP55 rating.

Will the 9.13 in by 2.38 in nylon enclosure fit on a standard pendant arm or mounting bracket?

The enclosure measures 9.13 inches tall and 2.38 inches wide, so it matches common pendant arm profiles designed for NEMA 4X stations of this footprint.

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