Dialight Corporation · 1501 State Route 34 · Farmingdale, NJ 07727 · TEL: (732) 919-3119 · FAX: (732) 751-5778 · www.dialight.com
554 SERIES SINGLE AND DUAL LAMP SWITCHES
ILLUMINATED PUSHBUTTON SWITCHES & MATCHING PANEL MOUNT INDICATORS
ALTERNATE ACTION 0.5 TO 7 AMP, 30VDC OR 125 VAC (MAX)
ACCEPTS
CONTACT
PART NO.
CAP SIZE
CIRCUIT
FIG
554-1131-211
5/8" SQ.
SPDT
3
554-1131-411
3/4" SQ.
SPDT
5
554-1131-511
3/4" X 1"
SPDT
6
554-1231
ALL
DPDT
1
554-1231-111
1/2" SQ.
DPDT
2
554-1231-211
5/8" SQ.
DPDT
3
554-1231-311
5/8" X 3/4"
DPDT
4
554-1231-411
3/4" SQ.
DPDT
5
554-1231-511
3/4" X 1"
DPDT
6
MOMENTARY ACTION, 1 TO 50 mA, 30VDC (MAX)
ACCEPTS
CONTACT
PART NO.
CAP SIZE
CIRCUIT
FIG
554-3121
ALL
SPDT
1
554-3221
ALL
DPDT
1
554-3221-211
5/8" SQ.
DPDT
2
MOMENTARY ACTION .015 TO 1 AMP , 30 VDC OR 125VAC (MAX)
ACCEPTS
CONTACT
PART NO.
CAP SIZE
CIRCUIT
FIG
554-2121
ALL
SPDT
1
554-2121-211
5/8" SQ.
SPDT
3
554-2121-411
3/4" SQ.
SPDT
5
554-2221
ALL
DPDT
1
554-2221-111
1/2" SQ.
DPDT
2
554-2221-211
5/8" SQ.
DPDT
3
554-2221-311
5/8" X 3/4"
DPDT
4
554-2221-411
3/4" SQ.
DPDT
5
554-2221-511
3/4" X 1"
DPDT
6
554-6221-411
DUAL LAMP
DPDT
7
MOMENTARY ACTION 0.5 TO 7 AMP , 30VDC OR 125VAC (MAX)
ACCEPTS
CONTACT
PART NO.
CAP SIZE
CIRCUIT
FIG
554-1121
ALL
SPDT
1
554-1121-111
1/2" SQ.
SPDT
2
554-1121-211
5/8" SQ.
SPDT
3
554-1121-311
5/8" X 3/4"
SPDT
4
554-1121-411
3/4" SQ.
SPDT
5
554-1121-511
3/4" X 1"
SPDT
6
554-1221
ALL
DPDT
1
554-1221-111
1/2" SQ.
DPDT
2
554-1221-211
5/8" SQ.
DPDT
3
554-1221-311
5/8" X 3/4"
DPDT
4
554-1221-411
3/4" SQ.
DPDT
5
554-1221-511
3/4" X 1"
DPDT
6
554-5121-411
DUAL LAMP
SPDT
7
554-5221-411
DUAL LAMP
DPDT
7
ALTERNATE ACTION, .015 TO 1 AMP, 30VDC OR 125VAC (MAX)
ACCEPTS
CONTACT
PART NO.
CAP SIZE
CIRCUIT
FIG
554-2231-111
1/2" SQ.
DPDT
2
554-2231-211
5/8" SQ.
DPDT
3
554-2231-311
5/8" X 3/4"
DPDT
4
554-2231-411
3/4" SQ.
DPDT
5
554-2231-511
3/4" X 1"
DPDT
6
554-6231-411
DUAL LAMP
DPDT
7
FIG 1
15.88
[.625]
SQ.
6.78
[.267]
37.85
[1.490]
MAX
12.70
±
.005
[.500
±
..13
6.73
±
.05
.265
±
.002
52.83
[2.080]
MAX
1.78
[.070]
18.52
[.729]
18.52
[.729]
16.26
[.640]
16.26
[.640]]
FIG 2
52.83
[2.080]
MAX
1.78
[.070]
21.44
[.844]
19.18
[.755]
FIG 3
21.44
[.844]
19.18
[.755]
52.83
[2.080]
MAX
1.78
[.070]
24.61
[.969]
21.44
[.844]
22.35
[.880]
19.18
[.755]
FIG 4
52.83
[2.080]
MAX
1.78
[.070]
24.61
[.969]
22.35
[.880]
FIG 5
22.35
[.880]
24.61
[.969]
52.83
[2.080]
MAX
1.78
[.070]
30.45
[1.199]
24.36
[.959]
28.19
[1.110]
22.10
[.870]
FIG 6
SIDE VIEW
FRONT
VIEW
MOUNTING
HOLE
52.83
[2.080]
MAX
24.61
[.969]
SQ.
22.35
±
.13
[.880
±
.005]
SQ.
FIG 7
REAR PANEL MOUNT
Material & Finish: All plastic switch components made from 94V-0 Material
KNURLED FLANGE NUT 2.39 [.094]
X 12.93 [.509] MAX O.D.
12.70 [.500] 32 UNS - 2A THD.
Dialight
Uses:
T-1 3/4
MIDGET
FLANGE
BASE
INCANDESCENT
LAMP
1.78
[.070]
Neon and incandescent lamp information on Pages 35 and 36.
Dimensions in mm [inches]
23
Caps Ordered Separately
See Page 27.
25
PDF 
ZIP