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Business > Industrial Devices > Automation Controls Top > Components & Devices > Relays / Couplers > Power Relays (Over 2A) > Power Relays (Over 2A) Lineup > HE-A Relays > Rating/Performance
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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 (at 20°C) |
Max. allowable voltage (at 55°C) |
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12 V DC | Max. 75% V of rated coil voltage (Initial) |
Max. 5% V of rated coil voltage (Initial) |
160 mA | 75 Ω | 1,920 mW Holding*2: 310 mW*3 |
110% V of rated coil voltage |
24 V DC | 80 mA | 300 Ω |
*1 | Square, pulse drive |
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*2 | When using with the holding voltage, switch to the holding voltage after 100 ms from the application of the coil rated voltage. |
*3 | With 40% V coil holding voltage |
Item | Specifications | ||
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Contact data |
Form A contact | Contact arrangement | 1 Form A, 1 Form A 1 Form B |
Contact resistance (initial) | Max. 10 mΩ (by voltage drop 20 A 6 V DC) | ||
Contact material | AgNi type | ||
Contact rating (inductive) | 90 A 277 V AC cosφ = 0.8 | ||
Contact rating (resistive) | 60 A 490 V AC, 55 A 800 V AC, 90 A 60 V DC | ||
Max. switching power (resistive) | 44,000 VA, 5,400 W | ||
Max. switching voltage (resistive) | 800 V AC, 60 V DC | ||
Max. switching current (inductive) | 90 A | ||
Max. carrying current | 110 A | ||
Min. switching load (reference value)*1 | 100 mA 5 V DC | ||
Form B contact (1a1b type only) |
Contact arrangement | 1 Form A 1 Form B | |
Contact resistance (initial) | Max. 100 mΩ (by voltage drop 1 A 6 V DC) | ||
Contact material | Au flashed AgNi type | ||
Contact rating (resistive) | 1 A 30 V DC | ||
Max. switching power (resistive) | 30 W | ||
Max. switching voltage (resistive) | 30 V DC | ||
Max. switching current (resistive) | 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) |
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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 open Form B contacts | 1,000 Vrms for 1 min (detection current: 10 mA) | ||
Between Form B contact and coil | 2,000 Vrms for 1 min (detection current: 10 mA) | ||
Between Form A contact and Form B contact | 5,000 Vrms for 1 min (detection current: 10 mA) | ||
Surge withstand voltage (initial)*2 | Between Form A contact and coil | 10,000 V | |
Between Form B contact and coil | 2,500 V | ||
Coil holding voltage*3 | 40 to 110% V (at -40 to +55°C) 40 to 60% V (at +55 to +85 ℃) |
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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 1.0 mm, detection time: 10 μs) | |
Destructive | 10 to 55 Hz (at double amplitude of 1.5 mm) | ||
Expected life | Mechanical life | Min. 106 ope. (switching frequency: at 180 times/min) | |
Conditions | Conditions for usage, transport and storage |
Ambient temperature: -40 to +55°C (When applied coil hold voltage is 40 to 110% V of rated coil voltage.) -40 to +85°C (When applied coil hold voltage is 40 to 60% V of rated coil voltage or transport and storage.) Humidity: 5 to 85% RH (Avoid icing and condensation) |
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Unit weight | Approx. 80 g |
*1 | This 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. |
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*2 | Wave is standard shock voltage of ±1.2 x 50 µs according to JEC-212-1981 |
*3 | Coil holding voltage is the coil voltage after 100 ms from the applied rated coil voltage. |
*4 | Release time will lengthen if a diode, etc., is connected in parallel to the coil. Be sure to verify operation under actual conditions. |
Type | Load | Switching capacity | Number of operations |
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Form A contact | Inductive load | 90 A 277 V AC cosφ = 0.8 |
Min. 103 ope. (ON:OFF = 1s:9s, at 85°C) |
Resistive load | 60 A 490 V AC | Min. 10 x 103 ope. (ON:OFF = 1s:9s) | |
55 A 800 V AC | Min. 103 ope. (ON:OFF = 1s:9s) | ||
40 A 600 V AC | Min. 50 x 103 ope. (ON:OFF = 1s:9s, at 85°C) | ||
30 A 800 V AC | Min. 50 x 103 ope. (ON:OFF = 1s:9s, at 85°C) | ||
90 A 60 V DC | Min. 10 x 103 ope. (ON:OFF = 1s:9s, at 85°C) | ||
Form B contact (1 Form A 1 Form B type only) |
Resistive load | 1 A 30 V DC | Min. 100 x 103 ope. (ON:OFF = 1s:9s) |
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