Siemens APT
ER Series(5A), Intermediate Relays, APT
Model: ER
Key specifications
- Rated impulse withstand voltage 2500V
- Rated thermal current ER2E,ER3E: 5A
- Degree of protection IP40
Technical parameters
| Product specification | ER2E | ER3E | |
| Contact pole number and type | 2C/O changeover contact | 3C/O changeover contact | |
| Contact material | Silver alloy | ||
| Conventional thermal current | 5A | ||
| Compliance | IEC61810-1, GB/T21711.1 | ||
| Product certification | UL/CQC/CE | ||
| Ambient temperature | Storage | -40°C~+85°C No freezing or condensation | |
| Working | -25°C~+55°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) | 2500V | ||
| Vibration resistance | 10-55Hz Dual amplitude 1.0mm | ||
| Impact resistance | Working status 200m/s2 and non-working status 100m/s2, 11ms | ||
| Pull-in time | ≤20ms | ||
| Release time | ≤20ms | ||
| Power frequency withstand voltage | Between contact and coil | AC 1500V 50Hz·1min | |
| Between homopolar contacts | AC 1000V 50Hz·1min | ||
| Between heteropolar contacts | AC 1500V 50Hz·1min | ||
| Electrical endurance | 1.2×105 times | ||
| Mechanical endurance | 2×107 times | ||
| Weight | About 30g | ||
| Min. package quantity | 20pcs | ||





