Cut Sheet

Class I, Division 1 and 2, Groups C, D
Class II, Division 1 and 2, Groups E, F, G
Class III
NEMA 7CD, 9EFG
Hub Size
(Inches)
Catalog Number
†
Switch Dead-End Feed-Thru
1-Gang
20 Amp — 120-277 Vac

1/2 1-Pole EFS150-F1 EFSC150-F1
1/2 2-Pole — EFSC150-F2
1/2 3-Way EFS150-F3W EFSC150-F3W
1/2 4-Way EFS150-F4W EFSC150-F4W
3/4 1-Pole EFS175-F1 EFSC175-F1
Dead-End
3/4 2-Pole EFS175-F2 EFSC175-F2
3/4 3-Way EFS175-F3W EFSC175-F3W
3/4 4-Way EFS175-F4W EFSC175-F4W
30 Amp — 120-277 Vac

3/4 1-Pole EFS175-F13 EFSC175-F13
3/4 2-Pole EFS175-F23 EFSC175-F23
Feed-Thru
2-Gang
20 Amp — 120-277 Vac

1/2 1-Pole EFS250-F1 EFSC250-F1
1/2 2-Pole — EFSC250-F2
1/2 3-Way — EFSC250-F3W
1/2 4-Way — EFSC250-F4W
3/4 1-Pole EFS275-F1 EFSC275-F1
Dead-End
3/4 2-Pole — EFSC275-F2
3/4 3-Way — EFSC275-F3W
3/4 4-Way — EFSC275-F4W
1 2-Pole EFS210-F2 EFSC210-F2
1 3-Way EFS210-F3W EFSC210-F3W
1 4-Way EFS210-F4W EFSC210-F4W
30 Amp — 120-277 Vac

Feed-Thru
3/4 1-Pole EFS275-F13 EFSC275-F13
3/4 2-Pole — EFSC275-F23
1 2-Pole EFS210-F23 EFSC210-F23
† For aluminum backbox and cover, add suffix -A.
 20 Amp — 1 HP at 120 Vac and 2 HP at 240 Vac.
 30 Amp — 2 HP at 120 Vac or 240 Vac.
Controls
CONTROLS: HAZARDOUS LOCATION CONTROL STATIONS AND SWITCHES
Visit our website at www.appletonelec.com or contact us at [phone].
© September 2010
237
EFS Non-Sealed Front Operated Tumbler Switches
Explosionproof, Dust-Ignitionproof
Malleable Iron Body and Cover. Furnished with Internal Ground Screw.