Application |
Medium and large semi-thermal piston compressors with oil pumps |
Functions |
Motor temperature static, Motor temperature dynamic, Discharge gas, Lock-out, differential pressure, Short circuit or open circuit |
Supply voltage |
AC 115-230V |
Permitted ambient temperature |
-30...+70°C |
Temperature measuring circuits: Type |
1-2 AMS sensors in series alternative 1-9 PTC sensors acc. to DIN 44081, DIN 44082 in series |
Temperature measuring circuits: R_25, total |
<1.8kΩ |
Temperature measuring circuits: R_trip, static |
4.5kΩ ±20% |
Temperature measuring circuits: R_reset |
2.75kΩ ±20% |
Temperature measuring circuits: Max. length connection line |
30m |
Short circuit monitoring system PTC |
Typically <30Ω |
Input, operating recongnition motor: Lower limit |
AC 100V at 20Hz to 175V at 90Hz |
Input, operating recongnition motor: Upper limit |
AC 690V ±15% |
Switching frequency overstepping |
3 switch-offs in 30s |
Operating with frequency converters |
Suitable |
Reset delay: Motor temperature static |
5min ±1min |
Reset delay: Motor temperature dynamic |
10min ±2min, 60min ±12min, Locked |
Reset delay: Discharge gas temperature |
10min ±2min, Verriegelt |
Reset delay: Switching frequency overstepping |
5min ±1min |
Resetting the lock or the reset delay |
Main reset >5s or reset by keyboard only possible if there is no error current |
External button: Designed for |
Potential-free normally open contact (typ. 5V, 1mA) |
External button: Max. length connection line |
1m |
Relay: Connection |
AC 240V 2.5A C300 at least AC/DC 24V 20mA |
Relay: Mechanical service life |
Approx. 1 million switching cycles |
Interface |
Diagnose port (DP) |
Protection class acc. To EN 60529 |
IP00 |
Connection type |
6.3mm blade terminal (operating recognition), push-in spring terminals 0.25-0.75mm2 |
Housing material |
PA glass-fibre-reinforced |
Mounting |
Screw mounted |
Dimensions |
Refer to dimensions in mm |
Weight |
Approx. 200g |
Check base |
EN 61000-6-2, EN 61000-6-3 EN 61010-1 Overvoltage category II Pollution level 2 |
Approval |
UL File No. E75899 cURus |