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HE-S 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*1
(at 20°C)
Release voltage*1
(at 20°C)
Rated operating
current
(±10%, at 20°C)
Coil resistance
(±10%, at 20°C)
Rated operating power Max. allowable
voltage
(at 55°C)
6 V DC Max. 75% V of
rated coil
voltage
(Initial)
Min. 5% V of
rated coil
voltage
(Initial)
313 mA 19.1 Ω 1,880 mW
Holding *2: 170 mW *3
110% V of rated
coil voltage

150% V of rated
coil voltage *3
9 V DC 209 mA 43.1 Ω
12 V DC 157 mA 76.6 Ω
24 V DC 78 mA 306.4 Ω
48 V DC 39 mA 1,225.5 Ω
*1Square, pulse drive
*2When using with the holding voltage, switch to the holding voltage after 100ms from the application of the coil rated voltage.
*3With 30% V coil holding voltage
*4Total application time: Max. 24 hours

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Specifications

Item Specifications
Contact
data
Contact arrangement 2 Form A, 2 Form A 1 Form B (2a1b)
Form A
contact
Contact resistance (initial) Max. 100 mΩ (by voltage drop 6 V DC 1 A),
Max. 3 mΩ (by voltage drop 6 V DC 40 A, reference value)
Contact material AgSnO2 type
Form B
contact
*6
Contact resistance (initial) Max. 100 mΩ (by voltage drop 1 A 6 V DC)
Contact material Au flashed AgNi type
Form A
contact
Contact rating (resistive) 40 A 277 V AC, 5 A 110 V DC
Max. switching
power (resistive)
11,080 VA, 550 W
Max. switching voltage 480 V AC, 110 V DC
Max. switching current 40 A
Min. switching load
(reference value)*1
100 mA 5 V DC
Form B
contact
*6
Contact rating (resistive) 1 A 277 V AC, 1 A 30 V DC
Max. switching power
(resistive)
277 VA, 30 W
Max. switching voltage 277 V AC, 30 V DC
Max. switching current 1 A
Min. switching load
(reference value) *1
10 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)
Short current (Form A contact, initial) Max. 1,000 A 1 ms, 3 times (reference value)
Dielectric
strength
(initial)
Between open
Form A contacts
2,000 Vrms for 1 min (detection current: 10 mA)
Between Form A
contact and coil
5,000 Vrms for 1 min (detection current: 10 mA)
Between Form A
contact sets
5,000 Vrms for 1 min (detection current: 10 mA)
Between open
Form B contacts *6
1,000 Vrms for 1 min (detection current: 10 mA)
Between Form B
contact and coil *6
2,000 Vrms for 1 min (detection current: 10 mA)
Between Form A contact
and Form B contact *6
5,000 Vrms for 1 min (detection current: 10 mA)
Surge
withstand
voltage
(initial) *2
Between contact
and coil
10,000 V (Between Form A contact and coil),
2,500 V (Between Form B contact and coil)
Coil holding voltage *3 30 to 110% V (at -40 to +55°C)
30 to 60% V (at +55 to +85°C)
Time characteristics
(initial)
Operate time Max. 30 ms (at rated coil voltage, at 20°C, without bounce)
Release time *4 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 mm, detection time: 10 µs)
Destructive 10 to 55 Hz (at double amplitude of 1.5 mm)
Expected life Mechanical life Min. 5 x 106 ope. (at 180 times/min)
Conditions Conditions for usage,
transport and storage *5
Ambient temperature: -40 to 70°C (Max. carrying current 40 A),
-40 to + 85°C (Max. carrying current 35 A, transport and storage)
Humidity: 5 to 85% RH (Avoid icing and condensation)
Unit weight Approx. 64 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 x 50 µs according to JEC-212-1981
*3Coil holding voltage is the coil voltage after 100 ms from the applied rated coil voltage.
*4Release time will lengthen if a diode, etc., is connected in parallel to the coil. Be sure to verify operation under actual conditions.
*5When using at 55°C or higher, the coil holding voltage should be 30 to 60% V. And for ambient temperature, please read "GUIDELINES FOR RELAY USAGE".
*6Regarding Form B contact, only the 2 Form A 1 Form B (2a1b) type applies.

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Expected electrical life

Regarding Form B contact , only the 2 Form A 1 Form B (2a1b) type applies.

Standard type

Type Load Switching capacity Number of operation
Form A contact Resistive load 20 A 277 V AC 100 x 103 ope. (ON : OFF = 1 s : 9 s)
35 A 277 V AC 30 x 103 ope. (ON : OFF = 1 s : 9 s)
40 A 277 V AC 103 ope. (ON : OFF = 1 s : 9 s)
5 A 110 V DC 10 x 103 ope. (ON : OFF = 1 s : 9 s)
Inductive load 35 A 250 V AC (cosφ = 0.8) 30 x 103 ope. (ON : OFF = 0.1 s : 10 s)
Form B contact Resistive load 1 A 277 V AC 100 x 103 ope. (ON : OFF = 1 s : 9 s)
1 A 30 V DC 100 x 103 ope. (ON : OFF = 1 s : 9 s)

Long life type

Type Load Switching capacity Number of operation
Form A contact Resistive load 20 A 277 V AC 200 x 103 (ON : OFF = 1 s : 9 s)
30 A 220 V AC 100 x 103 (ON : OFF = 1 s : 9 s)
35 A 277 V AC 50 x 103 (ON : OFF = 1 s : 9 s)
40 A 277 V AC 103 (ON : OFF = 1 s : 9 s)
5 A 110 V DC 10 x 103 (ON : OFF = 1 s : 9 s)
Inductive load 35 A 250 V AC (cosφ = 0.8) 50 x 103 (ON : OFF = 0.1 s : 10 s)
Form B contact Resistive load 1 A 277 V AC 100 x 103 (ON : OFF = 1 s : 9 s)
1 A 30 V DC 100 x 103 (ON : OFF = 1 s : 9 s)

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INSULATION CHARACTERISTICS (IEC61810-1)

Item Characteristics
Clearance/Creepage distance (IEC61810-1) Min.5.5/8.0 mm (Form A contact)
Category of protection (IEC61810-1) RT II
Tracking resistance (IEC60112) PT I 175
Insulation material group III a
Over voltage category III
Rated voltage 250 V
Pollution degree 3
Type of insulation (Between contact and coil) Reinforced insulation
Type of insulation (Between open contacts) Full disconnection

Note : Actual value.

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