C L A S S
GENERAL SPECIFICATIONS
388 & A283
SPECIFICATIONS CLASS 388 & 283 RELAYS
COIL
Pull-in voltage:
80% of nominal voltage or less. for DC coils.
85% of nominal voltage or less for AC coils.
10% of nominal voltage or more.
± 10 % Measured at 25˚C
Dropout voltage:
Resistance:
1.2 Watts for DC coils, 2 VA to 2.75 VA for AC coils
Class "B" (130˚C per UL std. 1446)
Capability of DC coils 3.0 Watts max.
Continuous
Coil power
Insulation System:
Maximum coil dissipation:
Duty:
CONTACTS
3/16" silver cadmium oxide, gold flashed.
50 Milliohms maximum initial resistance
at rated current
Contact material:
Contact resistance:
DIELECTRIC STRENGTH
Contacts to coil:
2000 V rms
500 V rms
2000 V rms
Across open contacts:
Pole to pole
2000 V rms
1000 Megohms @ 500 VDC
Contacts to frame:
Insulation resistance:
TEMPERATURE
Operating:
-30˚C to +50˚C (AC), -30˚C to +65˚C (DC)
-30˚C to 100˚C
Storage
LIFE EXPECTANCY
Electrical:
100,000 Operations @ rated AC load
5,000,000 Operations @ No load
Mechanical:
MISCELLANEOUS
Operating Position:
Insulation material:
Enclosure:
Any
Molded plastic
Clear Polycarbonate dust cover
3/16" solder/plug-in, Printed Circuit terminals
other terminals available: .205 x .032, .250 x .032
on special order. Consult Factory.
3.1 oz.. (88 g approx. with cover).
Terminals:
Weight:
2.53
(64.29)
1.90Max.
(48.4)
1.41
(35.8)
OPTIONAL
TOP FLANGE COVER
IS AVAILABLE ON
SPECIAL ORDER.
1.40Max.
(35.5)
CONSULT FACTORY.
.500
(12.7)
SEE SECTION 10 FOR MATING SOCKETS
WEBSITE: www.magnecraft.com - EMAIL:info@magnecraft.com - FAX ON DEMAND 1-800/891-2957 - DOCUMENT 100
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