C L A S S
OPEN STYLE 30 AMP POWER RELAY
88UKD
CLASS 88UKD RELAY
SIDE COIL SOLDER TERMINALS
UL Recognized
File No. E43641
SPST-N.O. DM, RATED 30 AMPS
1/4"QUICK CONNECT /SOLDER TERMINALS
SWITCHES UP TO 1 HP AT 600 VAC
1.25Max.
(31.7)
1.937.
(49.1)
1.406
(35.7)
.250
(6.35)
.062
.156
(3.9)
6-32 tapped mt.
hole x .312
deep
(1.57)
.437
(11.1)
.078
(1.98)
SPECIFICATIONS 88UKD
COIL
TEMPERATURE
85% of Nominal Voltage or less
Pull-in Voltage (AC):
Pull-in Voltage (DC):
Dropout Voltage:
Operating:
-10˚C to +50˚C @ Rated Operation. (AC )
-10˚C to +60˚C @ Rated Operation. (DC )
80% of Nominal Voltage or less
10% of nominal voltage or more
110% of nominal voltage
Max. allowed voltage
Coil Resistance:
VIBRATION RESISTANCE
Functional:
±10% Measured @ 25˚C
5g's 10 to 55Hz.
5g's 11mS Max.
CONTACTS
Contact Material:
Contact Resistance:
SHOCK RESISTANCE
Functional:
1/4' silver alloy, gold flashed.
Initial 50 Milliohms @ rated current.
LIFE EXPECTANCY
Mechanical:
30 Amps up to 300VAC/28VDC,
Resistive Load
Contact Rating:
5 Million Operations
Electrical:
100,000 Operations @ Rated Load.
5 Amps @ 600VAC Resistive.Load
1 HP @ 120-600 VAC Motor load.
MISCELLANEOUS
Contact Insulation:
TIMING
Operate Time:
Release Time:
Movable & stationary contacts are mounted
on a molded plastic barrier insulator.
Open style construction.
6-32 tapped hole and locating tab.
85 Grams, 3 oz. approx.
25 mS Max. @ Nominal Voltage.
20 mS Max. @ Nominal Voltage
Style:
Mounting:
Weight:
DIELECTRIC STRENGTH
Contacts to coil:
Across open contacts:
Contacts to frame:
Insulation Resistance:
3000 V rms
1000 V rms
3000 V rms
1000megohms min. @ 500 VDC
Coil Measured @ 25˚C
CROSS REFERENCE
PART
NUMBERS
NOMINAL
NOMINAL
NOMINAL
TO
RESISTANCE
(OHMS)
INPUT
VOLTAGE
POWER
POTTER & BRUMFIELD
AC OPERATED COIL
3VA
3VA
-
-
24VAC
120VAC
240VAC,60Hz
220VAC,50Hz
KR-3AH-24
KR-3AH-120
KR-3AH-240
W88UKADX-3
W88UKADX-4
W88UKADX-5
3VA
-
DC OPERATED COIL
1.5W
1.5W
1.5W
100
400
8000
12 VDC
KR-3DH-12
KR-3DH-24
KR-3DH-110
W88UKDX-2
W88UKDX-3
W88UKDX-4
24 VDC
110 VDC
PART NUMBERS SHOWN ALSO AVAILABLE THRU STOCKING DISTRIBUTION.
PART NUMBER SHOWN ALSO AVAILABLE THRU STOCKING DISTRIBUTION
WEBSITE: www.magnecraft.com EMAIL:info@magnecraft.com FAX ON DEMAND 1-800/891-2957, DOCUMENT 100
PAGE 148
ETC [ ETC ]
