Current Rating
12 A (AC-3 / AC-3e at ≤ 440 V), 20 A (AC-1 at ≤ 690 V)
Contact Configuration
3P power contacts (3 NO) + 1 NO instantaneous auxiliary contact
Frame Size
TeSys K (mini) ultra-compact
Terminal Type
Screw clamp terminals (see conductor sizes below)
Connections - Terminals
1 conductor 1.5…4 mm² solid; 0.75…4 mm² flexible without ferrule; 0.34…2.5 mm² flexible with ferrule. Two conductors: 1.5…4 mm² solid; 0.75…4 mm² flexible; 0.34…1.5 mm² flexible with ferrule
Mounting Method
Plate mount or 35 mm DIN rail
Motor Ratings (AC-3)
3 kW at 220–230 V; 5.5 kW at 380–415 V; 5.5 kW at 440 V; 4 kW at 690 V
Mechanical Life
10 million operations (10 Mcycles)
Electrical Durability
1.3 Mcycles at 12 A AC-3 (≤440 V)
Operating Time
10–20 ms coil energisation (NO closing); 10–20 ms coil de-energisation (NO opening)
Inrush / Hold Power
Inrush 30 VA (20 °C); Hold-in 4.5 VA (20 °C)
Rated Insulation Voltage (Ui)
Power circuit 690 V (IEC), 600 V (UL/CSA)
Rated Breaking / Making Capacity
Rated breaking: 110 A at 440 V (IEC 60947). Making capacity 144 A (power circuit) conforming to IEC 60947
Rated Short-time Withstand (Icw)
Examples: 115 A (1 s at 50 °C); 105 A (5 s); 100 A (10 s); 55 A (1 min). See full datasheet for durations.
Associated Fuse Rating
25 A gG (≤ 440 V) for power circuit; 10 A gG for signalling circuit (IEC 60947)
Standards & Certifications
EN/IEC 60947-4-1, UL 60947-4-1, CSA C22.2 No 60947-4-1; CB, CCC, UL, CSA, EAC, CE, UKCA
Operating Altitude
Up to 2000 m without derating
Ambient Temperature (Storage)
-50…80 °C
Mechanical Robustness
Shock and vibration tested to IEC 60068-2-27 / -6 (see datasheet)
Minimum Switching (Signalling)
Min current 5 mA; min voltage 17 V
Safety Reliability (B10d)
B10d = 1,369,863 cycles (nominal load) per EN/ISO 13849-1; 20,000,000 cycles mechanical per EN/ISO 13849-1