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Gray zinc-plated steel flanged twist-lock inlet, four blades, flush-mount hardware included

Hubbell Incorporated

Hubbell Incorporated CS8175 50A Flanged Twist-Lock Inlet 3P 4W 480VAC video accessory

SKU CH-GAX7-R1VRA

A 50 A flanged twist-lock inlet rated for 480 V AC three-phase power with IP20 protection and NEMA 12, 4, 4X enclosures

  • Product type50A
  • Product colorGray
  • 50 A twist-lock inlet for high-power 480 V AC three-phase circuits
  • IP20 and NEMA 4/4X/12 ratings protect against dust and water ingress
  • Zinc-plated steel housing with heat-resistant construction for industrial durability
  • Accepts 10–6 AWG wire with included mounting hardware for flush installation
  • Grounded 3-pole 4-wire non-NEMA configuration ensures secure locking connection

Flanged Twist-Lock Inlet for 480 VAC Three-Phase

The Hubbell CS8175 is a 50 A flanged twist-lock inlet designed for 480 VAC three-phase power connections. It suits industrial and commercial installations that require a secure, grounded inlet with a steel zinc-plated housing. The unit carries NEMA enclosure ratings 12, 4 and 4X and an IP20 rating. Mounting hardware is included for flush mounting.

Wiring and Enclosure Checks Before Ordering

Verify that your supply conductors fall between 10 AWG and 6 AWG to match the terminal range. Confirm the enclosure can accept a flush-mounted flange and that the environment matches the NEMA 12, 4 and 4X ratings. Ensure the circuit is three-phase 480 VAC with a grounded conductor for the four-wire configuration.

Sustained Load Behaviour and Limitations

The heat-resistant, zinc-plated steel housing is built to handle continuous 50 A loads at 480 VAC without deformation. IP20 protection guards against solid objects but not water jets, so prolonged exposure to wash-down conditions requires additional sealing. The non-NEMA blade arrangement means mating connectors must match the specific 3P 4W layout.

How it compares

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Price $94.99
Pricier than about 73% of the 3,838 comparable items (median $41.99).

Specifications

Product
Brand nameHubbell Wiring Device-Kellems
Model nameCS8175
Product type50A
Product colorGray

Questions about this item

What comes in the box with the CS8175 flanged inlet?

The inlet includes mounting hardware for flush installation; supply conductors sized between 10 and 6 AWG must be purchased separately.

How do I choose between the available versions of this inlet?

The CS8175 is a single 50 A, three-phase, 480 V AC model with four blades and three poles; no alternative current or voltage versions are offered.

What does the 50 A rating mean when the inlet is wired into a panel?

It indicates the maximum continuous current the zinc-plated steel inlet can carry at 480 V AC three-phase when conductors between 10 and 6 AWG are properly terminated.

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