Specifications: number of poles: 3 Current: 250 A insulation voltage: 800 V AC, 50 / 60 Hz surge voltage: 8 kV Voltage: 690V AC, 50/60Hz Short circuit symbol: F Insulation function: Yes Usage category: A trigger name: TM-D Trigger Technology: Thermomagnetic Protection type: overload / short circuit Degree of contamination: 3 Control: Lever Mounting: Plate Mechanical Strength: 20000 Cycles Joint spacing: 35 mm Local signaling: Yes Overload current regulation: adjustable overload current adjustment range: 0.7 - 1 x In Overload protection delay: constant value Short-circuit current regulation: adjustable short-circuit current control range: 5 - 10 x In Short circuit protection delay: constant value Height: 161 mm width: 105 mm depth: 86 mm protection class against electric shocks: II IP rating: 40 IK protection class: 07 Operating Ambient Temperature: -35 - 70°C