Panasonic's EC-N Series Relay is a sealed Automotive Relay with an easy-connect plug-in terminal. This SPST (1FormA) contact arrangement Relay is capable of switching 15A at 400VDC and continuous current of 5A indefinitely, 10A continuous current for 5 minutes, and 20A continuous current for 1 minute. Through the efficient use and placement of electrical arc spacing and extinction, the EC-N Series Relay has enabled an extreme form-factor reduction of 50% in size compared to our previous generation EC relay. The small size and high switching power make this Relay ideal for a pre-charge circuit used in HEV, PHEV, BEV, and FCV vehicles.

Features and Benefits

  • Small and High Capacity
  • Easy-Connect Plug-In Terminal

Applications

  • High Voltage Pre-Charge Relay Applications For Electric Vehicles
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EC-N Series Relays

Part number list

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Models table for series EC-N Series Relays
Part No.DatasheetProtective ConstructionTerminal TypeRated Coil VoltageContact ArrangementContact CapacityOperating Function Operate (Set) Voltage (at20°C) (Initial) Release (Reset) voltage (at20°C) (Initial)Rated Operating Current [±10%] (at 20°C)Coil Resistance (At 20oC)Rated Operating Power (at 20°C) Max. applied voltageContact MaterialNominal Switching Capacity (Resistive Load) Max. Carring Current Min. Switching Load (Resistive) Contact Voltage Drop (Initial)Insulation Resistance (Min. MΩ)(Initial)Dielectric Strength (Between Open Contacts) (Initial)Dielectric Strength (Between Contacts and Coil) (Initial)Operate (Set) Time
(At Rated Coil Voltage) (At 20oC) (Initial)
Release (Reset) Time
(at Rated Coil Voltage) (at 20°C) (Initial)
Shock Resistance: Functional Shock Resistance: DestructiveVibration Resistance: FunctionalVibration Resistance: DestructiveExpected Life: Mechanical LifeExpected Life: Switch-Off LifeExpected Life: Inrush Current (Capacitor)ConditionsWeight (Typ.)Packing QuantityOuter Carton (Pieces) Usable Voltage RangeRated switching capacity
Sealed
Plug-in type
12V DC
1 Form A
15 A
Single side stable
Max. 6.8 V DC
Min. 0.5 V DC
0.117A
103Ω
1.4 W
16V DC
Ag alloy
15A 400V DC
5A Continuity
10A 5min,
20A 1min. (2mm2 wire)
1A 12V DC (at 20°C 68°F)
Max. 0.5V (10 A carrying current)
Min. 100 MΩ (at 500 V DC, Measurenment at same as [Dielectric strength] section.)
2,500 Vrms for 1min. (Detection current: 10 mA)
2,500 Vrms for 1min. (Detection current: 10 mA)
Max. 50ms (without contact bounce time)
Max. 30ms (without contact bounce time) (with no coil protective elements)
Min. 196 m/s2 [approx. 20G] (Half-wave pulse of sine wave: 11 ms; detection time: 10µs)
Min. 490 m/s2 [approx. 50G] (Half-wave pulse of sine wave: 6 ms)
10 to 200 Hz, Min. 44.1m/s2 [approx. 4.5G] (Detection time: 10µs)
10 to 200 Hz, Min. 44.1m/s2 [approx. 4.5G]
Time of vibration for each direction; X, Y, Z direction: 4 hours
2 x 105 (at 60cpm)
15A 400V DC, Min. 10 times
15A 400V DC, Min. 105 times
Ambient temperature: –40 to +85°C –40 to +185°F, Humidity: 5 to 85% R.H. (Please avoid icing or condensation)
approx. 40g .1.41 oz
Carton
100 pcs. (Packed with 100 pcs/1 tray)
10 V DC to 16 V DC
15A 400V DC (inrush)
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