Appleton EFS Non-Sealed Tumbler Switches Catalog Page
EFS Non-Sealed Tumbler Switches
CONTROLS: NEC/CEC EXPLOSIONPROOF CONTROL STATIONS AND SWITCHES
© June 2017
Explosionproof, Dust-Ignitionproof
Malleable Iron Body and Cover. Furnished with Internal Ground Screw.
NEC:
Class I, Division 1 and 2, Groups C, D
Class II, Division 1 and 2, Groups E, F, G
Class III
NEMA 7CD, 9EFG
Applications
• Designed to prevent arcing of enclosed switches in ignitable
atmospheres during connect and disconnect operation of
lighting and light power loads.
• For use in classied areas where ignitable vapors, gases
or highly combustible dusts are present.
• For installation in:
— Chemical and petrochemical plants
— Reneries
— Other process industries
Features
• Enclosures have external mounting lugs for ease of mounting.
• Smooth, rounded integral bushing in each hub protects
conductor insulation.
• Enclosures furnished with internal ground screw.
• 20 Amp and 30 Amp units available for use with 120-277 Vac.
• Smooth ground mating surfaces assure ame-tight joint
between cover and mounting enclosure.
• Stainless steel hex head cap screws for attaching cover to
mounting enclosure.
• Choice of front-operating or side rocker arm handle—each may
be locked in ON or OFF position.
• Each handle has close-tolerance threaded stainless steel shaft
to meet explosionproof requirements.
• Enclosures furnished with internal ground screw.
Options
• 1- or 2-gang copperfree (4/10 of 1% max.) aluminum bodies
and covers available. Add sufx – A.
• NPBRKT nameplate mounting bracket to make circuit
description/identication easy.
— Pre-drilled holes in bottom of bracket allow direct mounting
to control stations with existing cover bolts.
— Pre-drilled holes in middle of bracket allow mounting of
customer’s circuit identication nameplate; epoxy glue
may also be used for mounting (phenolic nameplate not
included).
— Bracket eliminates costly eld installation of drilling and
tapping to accommodate circuit identication nameplate.
— Brackets t side-by-side on 2-, 3- and 4-gang boxes and
3-devices.
Standard Materials
• Body and cover: malleable iron
• Handle: nylon 6/6
• Optional nameplate mounting bracket: corrosion resistant
stainless steel
Standard Finishes
• Tumbler switch body: triple-coat—(1) zinc electroplate,
(2) chromate, and (3) epoxy powder coat
NEC Certifications and Compliances
• UL Standards: UL 894, UL 1203
• UL Listed: E10523, E81751
Ordering Information for ”Custom” Units
• Devices, covers and bodies may be ordered separately so that
a different EFS switch may be used in each gang.
• Order components separately as follows:
(1) select body catalog number,
(2) select cover catalog number, and
Front Operated Rocker Arm Operated
Illustrated Features
Handles may be locked in ON or OFF position
(3) select switch or switch assembly catalog number (1-pole,
2-pole, 3-way or 4-way available in listings).
How to Order Hub Arrangements
• Simply send sketch indicating sizes and locations for brazed
hubs on body or bodies selected from catalog listings. Orient
sketch so that cover opening faces front and mounting lugs
face upward and downward (box wall opposite cover should be
referred to as the back of box).
Bodies and Hubs Available
• Tumbler switches may be ordered in single thru ve gang deep
malleable iron blank bodies with brazed hubs as specied at
any location.
• Tumbler switches may be ordered with tandem malleable iron
boxes with additional brazed hubs as specied.
• Standard malleable iron single and 2-gang tumbler switches
may be ordered with additional brazed hubs as specied.
• Single and 2-gang tumbler switches may be ordered with
aluminum boxes with additional brazed hubs as specied.
Related Products
• For classied-location push button, pilot light and selector
switch control stations, see EFD/EFDB and EDS Control
Stations and Pilot Lights.
78
EFS Non-Sealed Tumbler Switches
CONTROLS: NEC/CEC EXPLOSIONPROOF CONTROL STATIONS AND SWITCHES
© June 2017
Front Operated. Explosionproof, Dust-Ignitionproof
Malleable Iron Body and Cover. Furnished with Internal Ground Screw.
NEC:
Class I, Division 1 and 2, Groups C, D
Class II, Division 1 and 2, Groups E, F, G
Class III
NEMA 7CD, 9EFG
1-Gang
2-Gang
Dead-End
Feed-Thru
Dead-End
Hub Size
(Inches) Switch
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
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
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
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
Dead-End Feed-Thru
Catalog Number
30 Amp — 120-277 Vac
Feed-Thru
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.
3/4 1-Pole EFS275-F13 EFSC275-F13
3/4 2-Pole — EFSC275-F23
1 2-Pole EFS210-F23 EFSC210-F23
79
EFS Non-Sealed Rocker Tumbler Switches
CONTROLS: NEC/CEC EXPLOSIONPROOF CONTROL STATIONS AND SWITCHES
© June 2017
Arm Operated. Explosionproof, Dust-Ignitionproof
Furnished with Internal Ground Screw.
NEC:
Class I, Division 1 and 2, Groups C, D
Class II, Division 1 and 2, Groups E, F, G
Class III
NEMA 7CD, 9EFG
1-Gang
2-Gang
Dead-End
Feed-Thru
Dead-End
Hub Size
(Inches) Switch
20 Amp — 120-277 Vac
1/2 1-Pole EFS150-R1 EFSC150-R1
1/2 2-Pole — EFSC150-R2
1/2 3-Way EFS150-R3W EFSC150-R3W
1/2 4-Way EFS150-R4W EFSC150-R4W
3/4 1-Pole EFS175-R1 EFSC175-R1
3/4 2-Pole EFS175-R2 EFSC175-R2
3/4 3-Way EFS175-R3W EFSC175-R3W
3/4 4-Way EFS175-R4W EFSC175-R4W
20 Amp — 120-277 Vac
1/2 1-Pole EFS250-R1 EFSC250-R1
1/2 2-Pole — EFSC250-R2
1/2 3-Way — EFSC250-R3W
1/2 4-Way — EFSC250-R4W
3/4 1-Pole EFS275-R1 EFSC275-R1
3/4 2-Pole — EFSC275-R2
3/4 3-Way — EFSC275-R3W
3/4 4-Way — EFSC275-R4W
1 2-Pole EFS210-R2 EFSC210-R2
1 3-Way EFS210-R3W EFSC210-R3W
1 4-Way EFS210-R4W EFSC210-R4W
Dead-End Feed-Thru
Catalog Number
Feed-Thru
20 Amp — 1 HP at 120 Vac and 2 HP at 240 Vac.
80
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