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HE-N Relays

Coil data

  • Operating characteristics such as ‘Operate voltage’ and ‘Release voltage’ are influenced by mounting conditions, ambient temperature, etc.
    Therefore, please use the relay within ± 5% of rated coil voltage.
  • ‘Initial’ means the condition of products at the time of delivery.
Rated coil voltage Operate voltage*
(at 20°C)
Release voltage*
(at 20°C)
Rated operating current
(±10%, at 20°C)
Coil resistance
(±10%, at 20°C)
Rated operating power Max. allowable voltage
(at55°C)
6 V DC Max.75% V of Rated coil voltage
(Initial)
Min.5% V of Rated coil voltage
(Initial)
417 mA 14.4 Ω 2,500 mW 110% V of Rated coil voltage
9 V DC 278 mA 32.4 Ω
12 V DC 208 mA 57.6 Ω
24 V DC 104 mA 230 Ω
*square, pulse drive

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Specifications

Item Specifications
Contact data Contact arrangement 1 Form A
Contact resistance (initial) Max.10 mΩ (by voltage drop 5 V DC 20 A)
Contact material AgNi type
Contact rating (resistive) 120 A 480 V AC
Max. switching power (resistive) 57,600 VA
Max. switching voltage 800 V AC
Max. switching current 120 A (AC)
Min. switching load (reference value)*1 100 mA 5 V DC
Insulation resistance (initial) Min.1,000 MΩ (At 500 V DC, Measured portion is the same as the case of dielectric strength.)
Dielectric strength (initial) Between open contacts 2,000 Vrms for 1 min. (detection current: 10 mA)
Between contact and coil 5,000 Vrms for 1 min. (detection current: 10 mA)
Surge breakdown voltage (initial)*2 Between contact and coil 10,000 V
Coil holding voltage*3 40 to 100% V (contact carrying current: 120 A, at 20°C)
50 to 60% V (contact carrying current: 120 A, at 85°C)
Time characteristics (initial) Operate time Max.30 ms (at rated coil voltage at 20°C, without bounce)
Release time Max.10 ms (at rated coil voltage at 20°C, without bounce, without diode)
Shock resistance Functional 98 m/s2 (half-sine shock pulse: 11 ms, detection time: 10 μs)
Destructive 980 m/s2 (half-sine shock pulse: 6 ms)
Vibration resistance Functional 10 to 55 Hz (at double amplitude of 1.0 mm, detection time: 10 μs)
Destructive 10 to 55 Hz (at double amplitude of 1.5 mm)
Expected switching life Mechanical Min. 1 ×106 ope. (at 180 times/min.)
Conditions Conditions for usage, transport and storage*4 Ambient temperature:
-40 to +55°C (When coil holding voltage is 40 to 100% V of rated voltage.)
-40 to +85°C (When coil holding voltage is 50 to 60% V of rated voltage or storage.)
Humidity: 5 to 85% R.H. (Avoid icing when using at temperatures lower than 0°C.)
Unit weight Approx. 115 g
*1This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the actual load.
*2Wave is standard shock voltage of ±1.2×50μs according to JEC-212-1981.
*3Coil holding voltage is the coil voltage after 100 ms following application of the rated coil voltage.
*4The upper operation ambient temperature limit is the maximum temperature that can satisfy the coil temperature rise value.
Refer to in “NOTES” of HE-N relays catalog.

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Electrical life

Conditions:Resistive load

Type Switching capacity Number of operations
1 Form A 120 A 480 V AC Min. 1,000 ope.
(at 85°C, ON:OFF = 1 s:9 s)
55 A 800 V AC Min.10,000 ope.
(at 85°C, ON:OFF = 1 s:9 s)

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INSULATION CHARACTERISTICS (IEC61810-1)

Item Characteristics
Clearance/Creepage distance (IEC61810-1) Min. 5.5mm/8mm
Category of protection (IEC61810-1) RT II
Tracking resistance (IEC60112) PTI 175
Insulation material group III a
Over voltage category III
Rated voltage 800V
Pollution degree 2
Type of insulation (Between contact and coil) Basic insulation
Type of insulation (Between open contact) micro disconnection
*Note: Actual value

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