SR Series（8A）
Compact size, large capacity, safe and reliable performance, standard with mechanical indicators, ideal for communication, automatic control, mechatronics, and power electronics
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Rated Insulation Voltage
250V
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Rated Impulse Withstand Voltage
6000V
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Rated Thermal Current
SR2H/SR2HLT：8A
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Degree Of Protection
IP40
Product Features
Technical Parameters
Main Parameters
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Number and Type of Contact Pole |
Changeover contact |
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Contact Material |
Silver alloy |
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Rated Thermal Current |
8A |
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Compliance Standards |
GB/T 21711.1 IEC 61810-1 |
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Certificate |
UL/CQC/CE |
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Ambient Temperature |
Storage: -40°C to +85°C, no icing or condensation Operation: -40℃~+70℃, no icing or condensation |
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Ambient Humidity |
Storage: 5~85%RH (no condensation) Operation: 5~85%RH (no condensation) |
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Degree of Protection |
IP40 |
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Rated Insulation Voltage |
250V |
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Insulation Resistance |
1000MΩ |
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Rated Impulse Withstand Voltage |
6000V |
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Vibration Resistance |
1-55Hz, double amplitude 1.5mm |
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Impact Resistance |
Operating state 200m/s2 and non-operating state 100m/s2, 11ms |
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Pull-in Time |
≤20ms |
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Release Time |
≤15ms |
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Power Frequency Withstand Voltage |
AC 5000V 50Hz·1min |
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Electrical Endurance |
1.0×10? (Frequency: 1,800 times/hour) |
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Mechanical Endurance |
1.0×10? (Frequency: 18,000 times/hour) |
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Weight |
Approx. 20g |
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Min. Package Quantity |
20pcs |
2D/3D Drawings
Industry Application
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MarineAPT products are used to measure,control or indicate the electrical equipment on ships for safety and reliability even in harsh conditions.The products include cam switches, indicators, MCBs, current transformers, etc.
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Electric elevatorAPT products offer stable control and indication for electric elevators, ensuring their safe and stable operation. The products include cam switches, indicators, MCBs, relays,pushbutton,pushbutton boxes etc.
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