EP2S Datasheet, PDF (4/8 Pages) NEC – AUTOMOTIVE RELAYS LOW SOUND PRESSURE

EP2S / EP1S SERIES
SPECIFICATIONS
at 25 ˚C (77 ˚F)
Items
Contact Form
Contact Material
Contact Resistance
Contact Switching Voltage
EP2S
1 form C×2 (H bridge type and separate type) 1 form C
Silver oxide complex alloy
50 mΩ max. (measured at 7 A) initial
16 Vdc max.
EP1S
Contact Switching Current
25 A max.
Contact Carrying Current
20 A / regular type
(2 minutes max. 12 Vdc at 85˚C)
25 A / high carrying current type
(2 minutes max. 12 Vdc at 85˚C)
25 A / regular type
(2 minutes max. 12 Vdc at 85˚C)
30 A / high carrying current type
(2 minutes max. 12 Vdc at 85˚C)
Operate Time
Approx. 5 ms (at 12 Vdc excluding bounce) initial
Release Time
Approx. 2 ms (at 12 Vdc excluding bounce) initial
Normal Operate Power
Insulation Resistance
Breakdown Voltage
Shock Resistance
0.64 W (at 12 Vdc)
100 MΩ min. (at 500 Vdc) initial
500 Vdc min. (for 1 minute) initial
98 m / s² [Approx. 10 G] min. (misoperating)
Vibration Resistance
10 to 300 Hz, 43 m / s² [Approx. 4.4 G] min. (misoperating)
Ambient Temperature
–40˚C to +85˚C (–40 ˚F to +185˚F)
Coil Temperature Rise
Mechanical
50 ˚C / W (without contact carrying current)
1×10⁶ operations
Life Expectancy
Contact
G
Electrical
Contact
L or N
1×10⁵ operations (at 14 Vdc, Motor Load 25 A / 7 A)
1×10⁵ operations (at 14 Vdc, Motor Load 20 A / 3 A)
Weight
Approx. 15 gr
Approx. 8 gr
SOUND PRESSURE LEVEL (for reference)
Operate (at 12 Vdc drive with diode)
Relese (at 12 Vdc drive with diode)
Sound Pressure level Fast (F) ^∗
57 dBA nominal
49 dBA nominal
∗ Refer to the measuring condition in the figure of
sound pressure level distribution on page 7.
4