SE Digest 178

Operating Mechanisms and Disconnect Switches

Selection Guide

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8 OPERATING MECHANISMS AND DISCONNECT SWITCHES

Selection Guide

Class

MD

Vario

Enclosed Vario

LK4

VLS

Motor disconnect switches

Manual motor control switches

Type

Motor disconnect switch Nonfusible IEC style disconnect switches

Disconnect switches

Disconnect switches

ULRating

UL508 Rotary

UL508 Rotary

UL508 Rotary

UL98 Rotary

UL508 Rotary

UL98 Rotary

Handle Type

DIN Rail (Rear Mounting) Door Mounting

DIN Rail (Rear Mounting) Door Mounting

Mounting

Door or panel

—

—

—

Voltage (max.) Current Ratings

600Vac

600Vac 10–115

600Vac

600Vac 30–1200

690Vac 16–63A

690Vac 63–125A

UL-20-115A , IEC32 - 175

30–60

Horsepower Ratings (max.)

7.5–40

2–60

2–60

7.5–500

1–30

3–60

Metallic: NEMA 1, 12, 4, 4X Plastic: IP55, NEMA Type 4X

Non-Metallic NEMA 1, 3, 3R, 4, 4X, and12

Handle ratings: NEMA 1, 3R, 4, 4X, 12 Auxiliary contacts and power lugs

NEMA 1, 12, 3R, 4, and 4X; IEC IP65, IP66

NEMA 1, 12, 3R, 4, and 4X; IEC IP65, IP66

Enclosure Type

NEMA 1, 12, 3R 4, 4X

Power poles and auxiliary contacts

Power poles and auxiliary contacts

Power poles and auxiliary contacts

Power poles and auxiliary contacts

Power poles and auxiliary contacts

Accessories

UL File E191098 WP2X / WP2X7 CSA703149 Class 4652 04

UL File E164864 NLRV CSA File LR 81630 Class 3211 05

UL File E487906 UL60947-4-1 / CSA 22.2 n° 60947-4-1-14

UL File E164864 IEC standard 60947-3

UL File E487907 UL98/CSA 22.2 n° 4

Approvals

UL

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Class

GS2

9422

9421

9422

9423

Circuit breaker operating mechanisms

Circuit breaker operating mechanisms

Fusible IEC style disconnect switches

NEMA style fused or non fusible disconnect switches

Type

Door closing mechanisms

ULRating

UL98

—

—

—

UL98

Flange Adjustable rod or cable mechanism Panel or bracket mount

Flange Adjustable rod or cable mechanism

Rotary, works in conjunction with 9422 handle mechanisms

Handle Type

Rotary

Rotary

Flange with cable mechanism panel

Mounting

Panel

Panel

— — — —

Load Voltage (max.)

600Vac 30–800 7.5–500

600Vac 30–400 7.5–350

600Vac

600Vac

Circuit breaker frame sizes 100–1200

Circuit breaker frame sizes 100–1200

Current Ratings

Horsepower Ratings (max.)

—

—

Handle ratings: NEMA 4 and 12 sheet steel or stainless Right or left-hand operation

Handle ratings: NEMA 1, 3R, 4, 4X, 12

Handle ratings: NEMA 1, 3R, 4, 4X, 12

Handle ratings: NEMA 1, 3R, 4, 4X, 12

Handle ratings: NEMA 1, 3R, 4, 4X, 12

Enclosure Type

Auxiliary contacts and power lugs

Auxiliary contacts

Auxiliary contacts

Auxiliary contacts

Accessories

UL File E191098 WP2X / WP2X7 CSA703149 Class 4652 04

UL File E52639 WHTY2 CSA LR44199 Class 4652-04

UL File E62922 DIHS2 CSA LR44199 Class 3211 07

UL File E62922 DIHS2 CSA LR44199 Class 3211 07

Approvals

—

Refer to Supplemental Digest Section15

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