Cut Sheet

NEC:
Class I, Division 1 and 2, Groups B, C, D
Class II, Division 1 and 2, Groups E, F, G
Class III
Description Catalog Number
Push Button, Factory Sealed — Momentary Contact
SPBB-U1-Q
SPBB-U2DBL
10 Amp 600 Vac Heavy Duty 1/2” thread size (NPSM). Furnished with 1/2” to 3/4” enlarger, Weather Boot, Guard,
Start, Stop and Blank Nameplates.
Single Push Button Universal SPBB-U1-Q
Double Push Button Universal
SPBB-U2DBL
Push Button, Red, Factory Sealed — Maintained Contact
10 Amp 600 Vac Heavy Duty 1/2” thread size (NPSM). Furnished with 1/2” to 3/4” enlarger and Emergency Stop
Nameplate (guard not furnished).
Single Push Button Universal SMPB-U1-Q
Rectangular Button with Weather Boot
Furnished with Start, Stop and Blank Nameplates NBN-WB
Description Nameplate Marking Catalog Number
Push Button and Replacement Cap
Has 1/2 - 14 thread size (NPSM). Supplied with 1/2” to 3/4” enlarger.
SPBB-DU1-Q
DC-Q
Dust Cap - Push Button STOP-START-BLANK SPBB-DU1-Q
Replacement Dust Cap
Only
STOP-START-BLANK DC-Q
Nameplate STOP-START-BLANK DU-NP-Q
Covers Complete with Pilot Lights, Push Buttons — Factory Sealed
When installed on a single gang box the cover assembly is suitable for use in Group B environments but will not be marked Group B.
EFKB-DU1 EFKB-DU2
1 Circuit Universal
Specify EFKB-DU1
2 Circuits Universal Specify EFKB-DU2
2 Circuits Universal and
1 Pilot Light
Specify EFKL-J1DU2
†
 Suitable for Class I, Group B when installed in an enclosure rated for Class I, Group B.
Controls
NEC/CEC CLASS/ZONE RATED HAZARDOUS LOCATION CONTROL STATIONS AND SWITCHES
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© May 2014
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EFD/EFDB Push Button Accessories and Parts