Square D Digest 179

Heavy Duty Safety Switches

Accessories and Special Features

Class 3140

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Heavy Duty Safety Switch Accessories Square D by Schneider Electric brand heavy duty safety switches are UL listed for use with the following accessories: Rainproof Bolt-On Hubs and Water Resistant Hubs Rainproof Bolt-On Hubs • UL Listed for indoor or rainproof applications • Suitable for use with conduit having ANSI standard taper pipe thread • NEMA Type 3R switches with catalog number ending in RB have a bolt-on closing cap factory installed – Accepts 3/4 in. through 2-1/2 in. bolt-on hubs – No gaskets required • NEMA Type 3R switches with R suffix have blank top endwalls [30] – Accepts 3 in. through 4 in. bolt on hubs – Gaskets provided – Conduit entry holes must be cut in the field Table 3.24: Rainproof Bolt-On Hubs [31] Conduit Size 3/4 1 1-1/4 1-1/2 2 2-1/2 3 4 Closing Cap Hub Cat. No B075 B100 B125 B150 B200 B250 B300 B400 BCAP Water Resistant Hubs • UL Listed for dusty and wet applications • Suitable for use with conduit having ANSI standard taper pipe thread • Water resistant hubs are field installed on NEMA Type 4/4X/5 stainless steel and NEMA Type 12/3R and 12K enclosures • Water resistant hubs are available in zinc or chrome plated finish • Gaskets provided

3 SAFETY SWITCHES

Rainproof Bolt-On Hubs

H200 Zinc Plated

H050CP Chrome Plated

Table 3.25: Water Resistant Hubs [32] Conduit Size 1/2 3/4 1

1-1/4 1-1/2

2

2-1/2 3

3-1/2

4

Standard ZincHub Cat. No Chrome Plated Hub Cat. No.

H050 H075 H100 H125 H150 H200 H250 H300 H350 H400

H050CP H075CP H100CP H125CP H150CP H200C- P

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[30] 200 A Heavy Duty catalogs VH364NR, VH364R, VHU364R, VH224NR, VH324NR, and variants, comes with HUB provision and knockouts. [31] Gaskets are provided on 3 in. and larger hubs. [32] Gaskets are provided.

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