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CLASS 388B & 388DB
SQUARE BASE PLUG-IN STYLE
WITH MAGNETIC BLOWOUT FOR
DC SWITCHING.
RATED 3 & 10 AMPS AT 150 VDC
TOP FLANGE COVER AVAILABLE ON
SPECIAL ORDER. CONSULT FACTORY
MANUFACTURED UNDER
QUALITY SYSTEM
ISO 9002 & QS 9000
C US
UL Recognized
File No. E43641
& E13224
Recognized Component mark for
Canada and the United States.
PAGE 25
WEBSITE: www.magnecraft.com - EMAIL:info@magnecraft.com - FAX ON DEMAND 1-800/891-2957 - DOCUMENT 100
C L A S S
388B & A283
SQUARE BASE RELAYS WITH MAGNETIC BLOWOUT
WIRING
DIAG.
FIG.
120 VAC
12 VDC
24VDC
110 VDC
120 VAC
12 VDC
24 VDC
110 VDC
CONTACT
CONFIGU-
RATION
W388ABCPX-5
W388BCPX-2
W388BCPX-3
W388BCPX-5
AC OPERATED WITH
BLOWOUT MAGNET
(10 AMP CONTACTS)
W388ADBCPX-5
W388DBCPX-2
W388DBCPX-3
W388DBCPX-5
DPDT
DPDT
DPDT
DPDT
SPST-NO (DM)
SPST-NO (DM)
SPST-NO (DM)
SPST-NO (DM)
"A"
"A"
"A"
"A"
'B'
'B'
'B'
'B'
A283XBX69C-120A
A283XBX69C-12D
A283XBX69C-24D
A283XBX69C-110D
A283HXX69C-120A
A283HXX69C-12D
A283HXX69C-24D
A283HXX69C-110D
-
120
472
10,000
-
120
472
10,000
2.0VA
1.2W
1.2W
1.2W
2.OVA
1.2W
1.2W
1.2W
NOMINAL
INPUT
VOLTAGE
RESISTANCE
(OHMS)
NOMINAL
POWER
CROSS
REFERENCE
T O
POTTER/BRUMFIELD
KUEP-11A15-120
KUEP-11D15-12
KUEP-11D15-24
KUEP-11D15-110
KUEP-3A15-120
KUEP-3D15-12
KUEP-3D15-24
KUEP-3D15-110
DC OPERATED WITH
BLOWOUT MAGNET
(3 AMP CONTACTS)
DC OPERATED WITH
BLOWOUT MAGNET
(10 AMP CONTACTS)
Measured @ 25C
RELAYS CAN BE ORDERED EITHER BY
MAGNECRAFT
OR
STRUTHERS-DUNN
PART NUMBERS LISTED BELOW
DUAL MARKED PART NUMBERS
Struthers-Dunn
W388B
AC OPERATED WITH
BLOWOUT MAGNET
(3 AMP CONTACTS)
A283
PART NUMBERS SHOWN ALSO
AVAILABLE THRU STOCKING DISTRIBUTION.
SEE SECTION 10 FOR MATING SOCKETS
3
6
7
9
4
1
A
B
6
4
A
B
DPDT
FIG. "A"
SPST-NO-DM
FIG. "B"
Viewed from terminal end
WIRING DIAGRAM
*
RELEVANT IEC CONTACT UTILIZATION CATEGORIES
AC-1, AC-3, DC-1, AC-15
(SEE SECTION 11 FOR RELEVANT UTILIZATION CATEGORIES.)
COMPLIES WITH
REQUIREMENTS OF
IEC STANDARDS
947-4-1 AND 947-5-1
LOW VOLTAGE DIRECTIVE
IEC = INTERNATIONAL
ELECTROTECHNICAL COMMISSION
*
*
1
4
2
5
3
6
.28 Typ.
(7.1)
1.40Max.
(35.5)
.187 x .020
(4.76 x 0.51)
QC Terminals Typical
B
A
8
7
9
1.90Max.
(48.4)
1.53 Max.
(38.8)
Dimensions shown are in "INCHES" and (Millimeters)
OUTLINE DIMENSIONS
Struthers-Dunn
The Class 388B/388DB style relays
have the same load
specifications as the
388/283
enclosed plug-in style relays
plus the additional load ratings charted on this page.
See 388& A283 General specifications.
DC LOAD RATINGS
3 AMPS
10 AMPS
DPST-NO & DPST-NC CONTACT VERSIONS
WITH BLOWOUT MAGNETS NOW UL APPROVED
@ 5 AMPS, 150 VDC.
DPDT FIG. "A"
150VDC
SPDT-N.O. -DM FIG. "B"
150VDC
RESISTIVE
RESISTIVE
ALSO
AVAILABLE
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