SR Series（8A）-Relay-Siemens APT

SR Series（8A）

Compact size, large capacity, safe and reliable performance, standard with mechanical indicators, ideal for communication, automatic control, mechatronics, and power electronics

Important Parameters

Rated Insulation Voltage

250V
Rated Impulse Withstand Voltage

6000V
Rated Thermal Current

SR2H/SR2HLT：8A
Degree Of Protection

IP40

Product Features

Fully automated assembly line production to ensure quality stability;

The coil AC/DC specifications can be effectively identified by the LED emission color;

Mechanical indicator, with clear and discernible contact action status;

Product identification is achieved through laser marking, which is clear and permanent;

Products with surge suppression circuits are available for both AC and DC applications;

Featuring a lockable test button for convenient debugging and maintenance;

Slim design effectively saves installation space;

Wide operating temperature range;

UL/CQC/CE certified;

Compliant with the EU RoHS environmental protection standard requirements.

Technical Parameters

Main Parameters

Number and Type of Contact Pole	Changeover contact
Contact Material	Silver alloy
Rated Thermal Current	8A
Compliance Standards	GB/T 21711.1 IEC 61810-1
Certificate	UL/CQC/CE
Ambient Temperature	Storage: -40°C to +85°C, no icing or condensation Operation: -40℃~+70℃, no icing or condensation
Ambient Humidity	Storage: 5~85%RH (no condensation) Operation: 5~85%RH (no condensation)
Degree of Protection	IP40
Rated Insulation Voltage	250V
Insulation Resistance	1000MΩ
Rated Impulse Withstand Voltage	6000V
Vibration Resistance	1-55Hz, double amplitude 1.5mm
Impact Resistance	Operating state 200m/s² and non-operating state 100m/s², 11ms
Pull-in Time	≤20ms
Release Time	≤15ms
Power Frequency Withstand Voltage	AC 5000V 50Hz·1min
Electrical Endurance	1.0×10⁵ (Frequency: 1,800 times/hour)
Mechanical Endurance	1.0×10⁷ (Frequency: 18,000 times/hour)
Weight	Approx. 20g
Min. Package Quantity	20pcs

2D/3D Drawings

Industry Application

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