C L A S S
MINIATURE 12 AMP EPOXY SEALED PC BOARD RELAY
178
CLASS 178
Recognized Component mark for
Canada and the United States.
5 AMP AND 12 AMP SPDT CONTACTS.
C
US
EPOXY SEALED.
UL Recognized
File No. E164066
CLASS "B" INSULATION SYSTEM.
WITHSTANDS THE VAPOR AND SPRAY
CLEANING OF MOST FLUXING SYSTEMS.
TERMINALS ARE SOLDER COATED TO
PROVIDE EXCELLENT SOLDERABILITY.
ACTUAL SIZE
UL CONTACT LOAD RATINGS
12 AMP RELAY STYLE
5 AMP RELAY STYLE
LOAD
AC
PC BOARD LAYOUT
OPERATIONS
OPERATIONS
LOAD
LOAD
( BOTTOM VIEW )
6,000
100,000
100,000
100,000 N.O.
25,000
90,000 N.C.
-
5A @125V
5A @250V
100,000
100,000
12A @ 120V
10A @ 125V
10A @ 250V
10A, 1/4 @ 120V
10A, 1/4 @ 250V
.090
(2.29)
.100
(2.54)
-
HP
1/4 @ 120V
25,000
-
-
1/4 @ 120V
25,000 N.C. 10A, 1/4 @ 120V
.472
(12.0
120V
-
25,000
-
-
TV-3
TV-5
VA
DC
DC
MOTOR
.236
(6.0)
25,000
-
125V
-
125VA @ 120V 25,000
6,000
100,000 N.C*
-
5A @ 30V
100,000
-
12A @ 28V
10A @ 30V
-
-
.079
(2.0)
.480
(12.2)
5A,120VAC,pf=0.5
100,000
.044 Dia.
(1.1) (5 Holes)
*N.0. CONTACT 25,000 @ 30 VDC
OUTLINE DIMENSIONS
Dimensions are in "INCH" and ( MILLIMETERS )
WIRING DIAGRAM
.650 Max
(16.5)
( BOTTOM VIEW )
PIERCE THRU
VENT HOLE
2
3
4
v
1
.620Max.
(15.7)
^
5
.012
(.30)
SPDT
.012
(.30)
.039
(.99)
.890 Max
(22.5)
.140 Typical
(3.6)
.039
(.99)
.016
(.40)
PAGE 57
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