Cut Sheet

Effective September, 2005
Copyright 2005
800-621-1506
www.appletonelec.com
PAGE 9
M- 9
M
U.S. Pat. 3,699,276 Hub Size, Nameplate Catalog Number
Patented Canada 1974 Inches Description Marking Dead-End Feed-Thru
Single Gang* ◊
Momentary Contact
1/2 1 Circuit Specify EFDB150-U1 EFDCB150-U1
3/4 Universal EFDB175-U1 EFDCB175-U1
1 EFDB110-U1 EFDCB110-U1
1/2 2 Circuits Specify EFDB150-U2 EFDCB150-U2
3/4 Universal EFDB175-U2 EFDCB175-U2
1 EFDB110-U2 EFDCB110-U2
Maintained Contact
1/2 1 Circuit EFDB150-UM1 EFDCB150-UM1
3/4 Universal EFDB175-UM1 EFDCB175-UM1
1 EFDB110-UM1 EFDCB110-UM1
Two Gang*
Momentary Contact
1/2 2 Circuits Specify EFD250-U1 EFDC250-U1
3/4 Universal EFD275-U1 EFDC275-U1
1 EFD210-U1 EFDC210-U1
1/2 4 Circuits Specify EFD250-U2 EFDC250-U2
3/4 Universal EFD275-U2 EFDC275-U2
1 EFD210-U2 EFDC210-U2
Three Device‡
Momentary Contact
1/2 3 Circuits Specify EFDL50-U3 EFDCL50-U3
3/4 Universal EFDL75-U3 EFDCL75-U3
1 EFDL10-U3 EFDCL10-U3
EFD/EFDB Factory Sealed
Push Button Stations:
Explosionproof, Dust- Ignitionproof
UNILETS
®
for use with Threaded Metal Conduit.
10 Ampere, 600V A.C. Max. for Heavy Duty Use.
Furnished with Internal Ground Screw.
Class I, Div. 1 and 2
Groups B
◊ ,C,D
Class II, Div. 1 and 2
Groups E,F,G
Class III
NEMA 3,7CD,9EFG
* Malleable iron body and aluminum cover. For aluminum body, add suffix —A.
‡ Aluminum body, not available.
◊
Shaded area indicates items suitable for Class I, Div. 1 and 2, Groups B, C and D; Class II, Groups E, F and G and Class III.
For Class I, Group B, external seals must be installed at each conduit entrance.
See page 16 for push button accessories and parts. Dimensions on pages 24 and 25.