Square D Digest 179

9002A Heavy Duty Industrial

Foot Switches

Class 9002

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Table 19.236: Maximum Current Ratings For Control Circuit Contacts

ACAmperes

DCAmperes Inductive and Resistive

Resistive 75%Power Factor Make, Break and Continuous

Inductive 35% Power Factor

Type

Volts

Volts

Make and Break

Make

Break

Continuous

Single Throw

Double Throw

120 240 480 600 120 240 480 600 115 230 120 240 480 600 120 240 480 600

40 20 10 8

15 10

15 10

AW1 through AW09, AW117, AW119, AW132

125 250 600 125 250 600 — 125 250

2.0 0.5 0.1 1.0 0.3 0.1 — 2.2 1.1

0.5 0.2 0.02

15 15 15 10 10 10 — — — — — — — 10 10 10

6 5

6 5

30 15 7.5 6 36 18

3 1.5 0.75 0.6

3 1.5 0.75 0.6

0.2 0.1 — —

AW13, AW14, AW15, AW133

6 3

— — 10 10 10 10 10 10 10 10

— — — — — — — — —

AW11, AW12

15.0 7.5 3.75 3.0

1.5 0.75 0.375 0.3

— — — —

— — — —

AW21 AW123

60 30 15 12

6 3

120 240 600

1.1 0.55 0.2

AW124

1.5 1.2

NOTE: Double throw switches are rated 250 Vdc maximum.

Table 19.237: Contact Symbol—Two Stage Snap Switch

Pedal

Up

Unit

Circuit

HalfDown

FullDown

A1 B1 A2 B2

0 1 1 0

1 0 1 0

1 0 0 1

1

2

NOTE: 0 = Open 1 = Closed Table 19.238: Contact Symbol—Four Stage Snap Switch

Pedal Position Up Down

Unit

Circuit

1A1 1B1 2A1 2B1 1A2 1B2 2A2 2B2

0 1 0 1 1 0 1 0

0 1 1 0 1 0 1 0

1 0 1 0 1 0 1 0

1 0 1 0 0 1 1 0

1 0 1 0 0 1 0 1

1

2

19 PUSH BUTTONS AND OPERATOR

INTERFACE

19-98

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