Siemens APT
NR Series(6A), Intermediate Relays, APT
Model: NR
Key specifications
- Rated impulse withstand voltage 5000V
- Rated thermal current NR4F: 6A
- Degree of protection IP40
Technical parameters
Product specification | NR4F | |
Contact pole number and type | Changeover | |
Contact material | Silver alloy | |
Conventional thermal current | 6A | |
Compliance | IEC61810-1, GB/T21711.1, UL508 | |
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 | 100mΩ | |
Rated impulse withstand voltage(V) | 5000V (between breaks of same contact group 3000) | |
Vibration resistance | 10-55Hz, amplitude 1.5mm | |
Impact resistance | Working status 20g, non-working status10g | |
Pull-in time | ≤15ms (with surge suppression 20ms) | |
Release time | ≤15ms (with surge suppression 20ms) | |
Power frequency withstand voltage | Between contact and coil | AC 2500V |
Between homopolar contacts | AC 1300V | |
Between heteropolar contacts | AC 2000V | |
Electrical endurance | 200000(resistive load) 120000(inductive load)(1200 times/hour) | |
Mechanical endurance | 20 million (18000 times/hour) | |
Weight | 31g | |
Min. package quantity | 20pcs | |





