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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 | Max. allowable voltage (at 55°C) |
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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 |
*1 | Square, pulse drive |
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*2 | When using with the holding voltage, switch to the holding voltage after 100ms from the application of the coil rated voltage. |
*3 | With 30% V coil holding voltage |
*4 | Total application time: Max. 24 hours |
Item | Specifications | |||
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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) |
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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) |
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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) |
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Coil holding voltage *3 | 30 to 110% V (at -40 to +55°C) 30 to 60% V (at +55 to +85°C) |
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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 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) |
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Unit weight | Approx. 64 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. |
*5 | When 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". |
*6 | Regarding Form B contact, only the 2 Form A 1 Form B (2a1b) type applies. |
Regarding Form B contact , only the 2 Form A 1 Form B (2a1b) type applies.
Type | Load | Switching capacity | Number of operation |
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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) |
Type | Load | Switching capacity | Number of operation |
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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) |
Item | Characteristics |
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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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