Business > Industrial Devices > Automation Controls Top > Components & Devices > Relays / Couplers > High-capacity DC Cutoff Relay > HE-V Relays > Rating/Performance
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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 (at 55°C) |
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6 V DC | Max. 70% V of rated coil voltage (Initial) |
Min. 5% V of rated coil voltage (Initial) |
320 mA | 18.8 Ω | 1,920 mW | 110% V of rated coil voltage |
9 V DC | 213 mA | 42.2 Ω | ||||
12 V DC | 160 mA | 75 Ω | ||||
15 V DC | 128 mA | 117 Ω | ||||
24 V DC | 80 mA | 300 Ω |
* | square, pulse drive |
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Item | Specifications | |
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Contact data | Contact arrangement | 2 Form A |
Contact resistance (initial) |
Max. 100 mΩ (by voltage drop 6 V DC 1 A) Max. 3 mΩ (by voltage drop 6 V DC 20 A, reference value) |
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Contact material | AgNi type | |
Contact rating (resistive) |
20 A 800 V DC, 25 A 600 V DC (at contact connected in series) 20 A 400 V DC (at 1 Form A contact only) |
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Max. switching voltage | 1,000 V DC | |
Max. switching current | 25 A | |
Min. switching load (reference value) *1 |
100 mA 5 V DC | |
Insulation resistance (initial) | Min. 1,000 MΩ (at 1,000 V DC, Measured portion is the same as the case of dielectric strength.) |
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Short current (initial) | Max. 300 A 1 ms (reference value) | |
Dielectric strength (initial) |
Between open contacts |
2,000 Vrms for 1 min (detection current: 10 mA) |
Between contact sets |
4,000 Vrms for 1 min (detection current: 10 mA) | |
Between contact and coil |
5,000 Vrms for 1 min (detection current: 10 mA) | |
Surge withstand voltage (initial)*2 | Between contact and coil |
10,000 V |
Coil holding voltage *3 | 33 to 110% V (at -40 to +55°C: contact carrying current 25 A) 33 to 60% V (at -40 to +85°C: contact carrying current 25 A) |
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Time characteristic (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 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 *4 |
Ambient temperature: -40 to +55°C (when coil holding voltage is 33% to 110% of rated coil voltage) -40 to +85°C (when coil holding voltage is 33% to 60% of rated coil voltage) Humidity: 5 to 85% RH (Avoid icing and condensation) |
Unit weight | Approx. 120 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 following application of the nominal coil voltage. |
*4 | For ambient temperature, please read "GUIDELINES FOR RELAY USAGE". |
Conditions: at 20°C (L/R ≦ 1 ms), switching frequency ON : OFF = 1 s : 9 s
Load | Switching capacity | Number of operations |
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Resistive load | 20 A 600 V DC | Min. 10 x 103 ope. |
20 A 800 V DC | Min. 103 ope. | |
25 A 600 V DC | Min. 6 x 103 ope. | |
Overload | 20 A 1,000 V DC | Min. 10 ope. |
Reverse direction | -20 A 400 V DC | Min. 103 ope. |
Inrush resistance current | 40 A 800 V DC | Min. 103 ope. |
Conditions: at 20°C (L/R ≦ 1 ms), switching frequency ON : OFF = 1 s : 9 s
Load | Switching capacity | Number of operations |
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Resistive load | 20 A 300 V DC | Min. 10 x 103 ope. |
20 A 400 V DC | Min. 103 ope. | |
Overload | 20 A 500 V DC | Min. 10 ope. |
Reverse direction | -20 A 200 V DC | Min. 103 ope. |
Inrush resistance current | 40 A 400 V DC | Min. 103 ope. |
Positive polarity of load should be connected to pin 1 and pin 3, refer to the following circuit schematics.
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