Business > Industrial Devices > Automation Controls Top > Components & Devices > Relays / Couplers > Power Relays (Over 2A) > Power Relays (Over 2A) Lineup > LF-G Relays > Rating/Performance
|
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 20°C) |
---|---|---|---|---|---|---|
9 V DC | Max. 70% V of rated coil voltage (Initial) |
Min. 10% V of rated coil voltage (Initial) |
155 mA | 58 Ω | 1,400 mW | 120% V of rated coil voltage |
12 V DC | 117 mA | 103 Ω | ||||
18 V DC | 78 mA | 230 Ω | ||||
24 V DC | 59 mA | 410 Ω |
* | square, pulse drive |
---|
Item | Specifications | |||
---|---|---|---|---|
Standard type | High capacity type | |||
Contact GAP 1.5 mm, 1.8 mm | Contact GAP 1.5 mm | Contact GAP 1.8 mm | ||
Contact data | Contact arrangement | 1 Form A | ||
Contact resistance (initial) |
Max. 100 mΩ (by voltage drop 6 V DC 1 A) | |||
Contact material | AgSnO2 type | |||
Contact rating (resistive) |
22 A 250 V AC | 31 A 250 V AC | 33 A 250 V AC | |
Max. switching power (resistive) |
5,500 VA | 7,750 VA | 8,250 VA | |
Max. switching voltage | 250 V AC | |||
Max. switching current | 22 A (AC) | 31 A (AC) | 33 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 |
2,500 Vrms for 1 min (detection current: 10 mA) | ||
Between contact and coil |
4,000 Vrms for 1 min (detection current: 10 mA) | |||
Surge withstand voltage (initial)*2 |
Between contact and coil |
6,000 V | ||
Coil holding voltage *3 | 35 to 120% V (at 20°C, contact carrying current 22 A) 45 to 80% V (at 85°C, contact carrying current 22 A) |
35 to 120% V (at 20°C, contact carrying current 31 A) 45 to 80% V (at 85°C, contact carrying current 31 A) |
35 to 120% V (at 20°C, contact carrying current 33 A) 45 to 80% V (at 85°C, contact carrying current 33 A) |
|
Time characteristics (initial) |
Operate time | Max. 20 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 | 100m/s2 (half-sine shock pulse: 11 ms, detection time: 10 µs) | ||
Destructive | 1,000m/s2 (half-sine shock pulse: 6 ms) | |||
Vibration resistance |
Functional | 10 to 55 Hz (at double amplitude of 1.5 mm, detection time: 10 µs) | ||
Destructive | 10 to 55 Hz (at double amplitude of 1.5 mm) | |||
Expected life | Mechanical life | Contact GAP 1.5 mm: Min. 106 ope. (switching frequency: at 180 times /min) Contact GAP 1.8 mm: Min. 500 x 103 ope. (switching frequency: at 180 times/min) |
||
Conditions | Conditions for usage, transport and storage *4 |
Ambient temperature: -40 to +60°C (When rated coil voltage applied) -40 to +85°C (Coil holding voltage is when 45 to 80% V of rated coil voltage is applied.) Humidity: 5 to 85% RH (Avoid icing and condensation) |
||
Unit weight | Approx. 23 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. |
---|---|
*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 | For ambient temperature, please read "GUIDELINES FOR RELAY USAGE". |
Type | Contact GAP | Load | Switching capacity | Number of operations |
---|---|---|---|---|
Standard type |
1.5 mm 1.8 mm |
Resistive load | 22 A 250 V AC | Min. 30 x 103 ope. (switching frequency at 20 times/min) |
Destructive | 22 A 250 V AC (cosφ = 0.8) | Min. 30 x 103 ope. (switching frequency ON : OFF = 0.1 s : 10 s) |
||
Over load | 35 A 250 V AC (cosφ = 0.8) | Min. 50 ope. (switching frequency ON : OFF = 0.1 s : 10 s) |
||
High capacity type |
1.5 mm | Destructive | 31 A 250 V AC (cosφ = 0.8) | Min. 30 x 103 ope. (switching frequency ON : OFF = 0.1 s : 10 s) |
Over load | 47 A 250 V AC (cosφ = 0.8) | Min. 50 ope. (switching frequency ON : OFF = 0.1 s : 10 s) |
||
1.8 mm | Destructive | 33 A 250 V AC (cosφ = 0.8) | Min. 30 x 103 ope. (switching frequency ON : OFF = 0.1 s : 10 s) |
|
Over load | 50 A 250 V AC (cosφ = 0.8) | Min. 50 ope. (switching frequency ON : OFF = 0.1 s : 10 s) |
|
Requests to customers (Automation Control Components & Industrial Device) [Excluding specific product]
Requests to customers (Automation Control Components & Industrial Device) [For specific product]
Requests to customers (FA Sensors & Components [Excluding motors])
Requests to customers (Dedicated to industrial motors)