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B7CA-WEHD-43050 - B7C Series, 50A, 480 VAC, 3 Pole, EHD Frame, Circuit Breaker Enclosure

Brand:

Killark

Catalog ID:

B7CA-WEHD-43050

B7C Series,50 A, 480 VAC, 3 Pole, EHD Frame, Circuit Breaker Enclosure

  • Copper-free, cast aluminum construction (less that 4/10 of 1%).
  • High strength, lighter in weight, corrosion resistant.
  • Hinged Cover is standard (left side hinge).
  • More wiring room - Meets the latest NEC/CEC wire bending requirements for circuit breaker enclosures.
  • Ductile Mounting Lugs - Lugs are made of ductile aluminum alloy to adjust to irregular mounting surfaces without damage to enclosure.
  • Universial Mounting Pan - Sheet aluminum pan is pre-drilled to facilitate easy field installation of major circuit breaker brands.
  • Provision for grounding supplied as standard.
  • Conduit Openings Supplied - Standard conduit openings include power conduit top and bottom and a plugged opening suitable for field installation of drain and breather.
  • Special conduit openings can be supplied at factory, or can be field installed.
  • Breaker Handle - Provisions for lock "ON" or "OFF" positions with up to three padlocks. Spring loaded to prevent damage of breaker toggle and provides positive handle alignment. O-ring on shaft to prevent water seeping into enclosure.
  • Recessed Flange Notches - Flanges are notched to allow for easier cover opening with prying instrument without flange damage.
  • Gasketed Flange - Nitrille (BUNA-N) O-ring gasket is located inside cover bolt circle to prevent water seeping into enclosure.
  • Quick Release, Captivated Cover - Bolts of 316 Grade Stanless Steel Triple lead bolts require only 3 1/2 turns to disengage.

Suitable for indoor/outdoor use, primarily to provide a degree of protection against winblown dust, rain, spashing water, hose directed water, damage from external ice formation and corrosion.

Product details

General

Action

TP

Actuator

Molded Case Circuit Breaker Operator

Application

Locations such as petroleum refineries, chemical and petroleum plants with indoor and outdoor processes. Motor control and circuit protection in locations made hazardous due to the presence of flammable gases or vapors, combustible dust, or easily ignitable fiber and flyings, and areas which are subject to corresion, weather, and dampness.

Catalog Number

B7CA-WEHD-43050

Color

Aluminum

Enclosure Type

Bolted

EU RoHS Indicator

Contact Manufacturer

Finish Type

Lacquer

Material

Aluminum, Copper Free (less than 4/10 of 1%)

Mounting Type

Wall

Number Of Poles

3

Operating Temperature Celcius Max

40 Degree

Series

B7C

Type

Circuit Breaker Enclosure

UPC

783936098470

Dimensions

Depth

9.125

Height

18 in

Weight

46 lb

Width

11 in

Electrical Ratings

Amperage Rating

50 A

Frequency Rating

60 Hz

Primary Voltage

480 VAC/250 VDC

Conductor Related

Number Of Wires

4

Certifications And Compliance

CSA File Number

LR11714

Hazardous Rating(s)

  • Class I, Divisions 1 & 2, Groups B, C, D
  • Class I, Zones 1 & 2, Groups IIB+H2, IIA
  • Class II, Divisions 1 & 2, Groups E, F, G
  • Class III, Divisions 1 & 2

Nema Rating

3, 4, 4X, 7(B, C, D), 9(E, F, G)

UL File Number

E83969