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 | ·Various contact combinations: two groups of normally open+two groups of normally closed, three groups of normally open+one group of normally closed. ·Force-guided contact structure (according to EN 50205 standard) ·Strong load capacity: 6A contact switching ability ·Low input power consumption: 360mW ·Strong insulation capability: input-output bears 10kV surge voltage. ·Environmentally friendly products (RoHS compliant) |
| ▊ | Product selection |
product name | model | Contact form | brand |
safety relay | G4SA-2A2B | 2NO+2NC | LHS |
safety relay | G4SA-3A1B | 3NO+1NC | LHS |
explain | |||
▊Coil parameters
Rated voltage DC（V） | Action voltage VDC | Release voltage VDC | Maximum voltage VDC | Coil resistance ω |
24 | ≤18.0 | ≥2.4 | 31.2 | 1600×（1±10%） |
Remarks:
1. The above values are all initial values;
2. The maximum voltage refers to the maximum voltage that the relay coil can bear in a short time;
3. For products with rated voltage ≥48V, in order to protect the coil from operation, measures must be taken to suppress the overvoltage of the coil during testing and application (such as connecting diodes in parallel with the coil).
▊Coil parameters
Dimension of external dimension | 40×13×24mm | ||
Contact | form Contact form | 2A2B | 3A1B |
Contact resistance (initial)Contact resistance | ≤100mΩ（1A 6VDC） | ||
Contact Material material | Silver alloy | ||
Contact load (resistance) Contact ratings | 6A 250VAC/30VDC | ||
Maximum switching voltage Max switching voltage | 400VAC/30VDC | ||
Maximum switching current Max switching current | 6A | ||
Maximum switching power Max switching power | 1500VA/180W | ||
Mechanical life (frequency 300 times /1 minute) Mechanical life | 1×107 | ||
Electrical life (frequency 1S on, 1S off)Electrical life | 1×105次(1NO:6A 250VAC, resistive load, room temperature, 1S on and 9S off) | ||
coil power Coll power | 約360mW | ||
insulance Insulation resistance | 1000mΩ（500VDC） | ||
Dielectric withstand voltage Dielictricstength | Between the same pole contacts Between contacts | 4000VAC 1min | |
Disconnect between contacts | 1500VAC 1min | ||
Contacts and coils Between contacts and coil | 2500VAC 1min（7-8/9-10） | ||
surge voltage Surge voltage | 10kV（1.2/50μs） | ||
actuation time Action time | ≤20ms | ||
release time Release time | ≤20ms | ||
Coil temperature rise Coll Temperature rise | ≤60K(The coil driving voltage is 1.1 times Un, and the contact current is rated current) | ||
Stamping resistance Resistance stamping | stability Stability | 100m/S2 | |
intensity Intensity | 980m/S2 | ||
Vibration resistance Vibration Resistance | 10Hz~55Hz 1.5mm double-amplitude | ||
ambient humidity Ambient humidity | 5%~85%RH | ||
ambient temperature Ambient temperature | -40℃~+85℃ | ||
Lead-out form Ambient temperature | Printed plate | ||
weight Weight | About 20g | ||
package Encapsulation way | Flux-proof type | ||
▊Curve performance diagram
 |
(1) Curve refers to 1Z1 type.
(2) Test conditions: 1NO terminal, resistive load, 250VAC room temperature, 1s on and 9s off.
▊outline dimension
 |
Remarks:
1. The dimension tolerance is not indicated for some external dimensions of the product.
When the overall dimension is less than or equal to 1 mm, the tolerance is ±0.2mm；;
When the overall dimension is between 1 and 5 mm, the tolerance is ±0.3mm;
When the overall dimension is greater than 5mm, the tolerance is 0.4 mm..
2. The dimension tolerance of ±0.1mm is not indicated in the dimension of the installation hole.
▊Outline drawing, wiring diagram and mounting hole size
| G4SA-2A2B | G4SA-3A1B |
 |  |
| ▊ | Relay matching socket |
 | ·The withstand voltage between the coil and the contact is 2500VAC, and the insulation resistance is 1000 mω. ·Can be installed by screws or guide rails. ·Protect the coil with diode to suppress reverse overvoltage. ·With finger protection cover ·Keep and take out the self-contained relay. |
| ▊ | Outline drawing, wiring diagram, mounting hole size and circuit diagram |
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Lihong Safety Equipment Engineering (Shanghai) Co., Ltd.
E-Mail: info@lh-safety.com
Address: 581 Xiuchuan Road, Chuansha Town, Pudong New District, Shanghai
(Greenland East Coast International Plaza-Room A 313)
Copyright ? Lihong Safety Equipment Engineering (Shanghai) Co., Ltd. ICP19034341-1 Technical Support: lanjujing
