Siemens APT

SR Series(8A), Intermediate Relays, APT

Model: SR

Key specifications

Product specification		SR2H/SR2HLT
Contact pole number and type		2C/O changeover contact
Contact material		Silver alloy
Conventional thermal current		8A
Compliance		IEC61810-1, GB/T21711.1
Product certification		UL/CQC/CE
Ambient temperature	Storage	-40°C~+85°C No freezing or condensation
	Working	-40°C~+70°C No freezing or condensation
Ambient humidity	Storage	5~85%RH(no condensation)
	Working	5~85%RH(no condensation)
Protection class		IP40
Rated insulation voltage(V)		250V
Insulation resistance		1000mΩ
Rated impulse withstand voltage(V)		6000V
Vibration resistance		10-55Hz Dual amplitude 1.5mm
Impact resistance		Working status 200m/s² and non-working status 100m/s², 11ms
Pull-in time		≤20ms
Release time		≤15ms
Power frequency withstand voltage	Between contact and coil	AC 5000V 50Hz·1min
	Between homopolar contacts	AC 1000V 50Hz·1min
	Between heteropolar contacts	AC 3000V 50Hz·1min
Electrical endurance		1.0×10⁵ times(frequency: 1,800 times/hour)
Mechanical endurance		1.0×10⁷ times(frequency: 18,000 times/hour)
Weight		About 20g
Min. package quantity		20pcs