EP2S Datasheet, PDF (6/8 Pages) NEC – AUTOMOTIVE RELAYS LOW SOUND PRESSURE

EP2S / EP1S SERIES
NUMBERING SYSTEM
EP2S – B 3 L 1 S T
TYPICAL APPLICATION (H Bridge Type)
MOTOR
Wiring
Enclosure
Operate Voltage
(at 25˚C)
Contact Material
Coil Resistance
Carrying Current
Type
Nil : H Bridge Type
T : Separate Type
Nil : Unsealed (Standard type)
T : Sealed
1 : 6.5 V max.
2 : 7.0 V max.
3 : 7.5 V max.
4 : 8.0 V max.
5 : 8.5 V max.
L : Silver oxide complex alloy, Type I
N : Silver oxide complex alloy, Type II
G : Silver oxide complex alloy, Type III
3 : 225 Ω ±10%
4 : 300 Ω ±10%
Nil : Regular type
B : high carrying current type
EP2S
EP1S
16 V
Tr1
M
Tr2
Tr1
Tr2
STOP
off
off
FORWARD
on
off
REVERSE
off
on
Tr1
Tr2
100 ms min.
It is necessary to take more than 100 msec intervals for on / off timing between driving Tr1 and Tr2. If the interval
is less than 100 msec, an excessive current happen to flow to the relay contacts.
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