LC1D12B7 is a 3-pole TeSys D contactor from Schneider Electric for motor applications up to 5.5 kW at 400V. It includes a 24V 50/60 Hz AC coil and integrated 1NO+1NC auxiliary contacts and can be used in safety applications due to its certified NC mirror contact. Compact, DIN-rail-mounted, it ensures high reliability and durability. Available worldwide, it is certified to various standards (IEC, UL, CSA, CCC, EAC, for use in marine environments) and is Green Premium (RoHS/REACH) compliant.

Benefits:

• Compact product, 45 mm wide, for DIN rail and panel mounting.
• Separation between power and control circuits, easy front access to coil and auxiliary contact connections
• Equipped with a 24V AC coil that can be powered at 50 Hz or 60 Hz
• Features 2 built-in 1NA+1NC auxiliary contacts
• High electrical durability, guaranteed for 2 million cycles at 9 A AC-3 440 V
• Environmentally friendly product performance
  
  
  

Motor power KW:

• 3 kW at 220...230 V "AC" "50/60 Hz" (AC-3)
• 5.5 kW at 380...400 V "AC" "50/60 Hz" (AC-3)
• 5.5 kW at 415...440 V "AC" "50/60 Hz" (AC-3)
• 7.5 kW at 500 V "AC" "50/60 Hz" (AC-3)
• 7.5 kW at 660...690 V "AC" "50/60 Hz" (AC-3)
• 3.7 kW at 400 V "AC" "50/60 Hz" (AC-4)
• 3 kW at 220...230 V "AC" "50/60 Hz" (AC-3e)
• 5.5 kW at 380...400 V "AC" "50/60 Hz" (AC-3e)
• 5.5 kW at 415...440 V "AC" "50/60 Hz" (AC-3e)
• 7.5 kW at 500 V "AC" "50/60 Hz" (AC-3e)
• 7.5 kW at 660...690 V "AC" "50/60 Hz" (AC-3e)
  
  

Motor power in hp:

• 0.5 hp at 115 V for 1 phase motors" AC" "50/60 Hz"
• 2 hp at 230/240 V for 1 phase motors" AC""50/60 Hz"
• 3 hp at 200/208 V for 3 phase motors" AC" "50/60 Hz"
• 3 hp at 230/240 V for 3 phase motors" AC""50/60 Hz"
• 7.5 hp at 460/480 V for 3 phase motors" AC" "50/60 Hz"
• 10 hp at 575/600 V for 3 phase motors" AC""50/60 Hz"
  
  
  

Rated insulation voltage:

• 690 V complying with IEC 60947-4-1 Power circuit:
• 600 V CSA certified Power circuit:
• 600 V UL certified Power circuit:
• 690 V complying with IEC 60947-1 signaling circuit:
• 600 V CSA certified Signaling circuit:
• 600 V UL certified signaling circuit:
  
  
  

Rated short-time allowable current [Icw]:

• 105 A at <40 °C - 10 s for Power Circuit
• 210 A at <40 °C - 1 s for Power Circuit
• 30 A at <40 °C - 10 min for Power Circuit
• 61 A at <40 °C - 1 min per Power circuit
• 100 A - 1 s per signaling circuit
• 120 A - 500 ms per signaling circuit
• 140 A - 100 ms per signaling circuit
  
  
  

Control circuit voltage limits:

• 0.3...0.6 Uc -40...70 °C de-energizing "AC" 50/60 Hz
• 0.8...1.1 Uc -40...60 °C operating "AC" 50 Hz
• 0.85...1.1 Uc -40...60 °C operating "AC" 60 Hz
• 1...1.1 Uc 60...70 °C operating "AC" 50/60 Hz
  
  

Connections / Terminals:

• Screw clamp terminals Power circuit: 1 1...4 mm² - cable stiffness: flexible without cable end
• Screw clamp terminals Power circuit: 2 1...4 mm² - cable stiffness: flexible without cable end
• Screw clamp terminals Power circuit: 1 1...4 mm² - cable stiffness: flexible with cable end
• Screw clamp terminals Power circuit: 2 1...2.5 mm² - cable stiffness: flexible with cable end
• Screw clamp terminals Power circuit: 1 1...4 mm² - cable stiffness: solid without cable end
• Screw clamp terminals Power circuit: 2 1...4 mm² - cable stiffness: solid without cable end
• Control circuit screw clamps: 1 1...4 mm² - cable stiffness: flexible without cable end
• Control circuit screw clamps: 2 1...4 mm² - cable stiffness: flexible without cable end
• Control circuit screw clamps: 1 1...4 mm² - cable stiffness: flexible with cable end
• Control circuit screw clamps: 2 1...2.5 mm² - cable stiffness: flexible with cable end
• Control circuit screw clamps: 1 1...4 mm² - cable stiffness: solid without cable end
• Control circuit screw clamps: 2 1...4 mm² - cable stiffness: solid without cable end
  
  
  

Tightening torque:

• Power circuit: 1.7 Nm - on screw clamps - with Ø 6 mm flat screwdriver
• Power circuit: 1.7 Nm - on screw clamps - with Philips screwdriver No 2
• Control circuit: 1.7 Nm - on screw clamps - with Ø 6 mm flat screwdriver
• Control circuit: 1.7 Nm - on screw clamps - with Philips screwdriver No 2
• Control circuit: 1.7 Nm - on screw clamping terminals - with pozidriv screwdriver No 2
• Power circuit: 1.7 Nm - on screw clamps - with pozidriv screwdriver No 2
  
  
  

Mechanical robustness:

• Open contactor vibration (2 Gn, 5...300 Hz)
• Contactor vibration closed (4 Gn, 5...300 Hz)
• Contactor shocks open (10 Gn for 11 ms)
• Closed contactor shocks (15 Gn for 11 ms)
  
  

Characteristics:

• Conventional thermal current in open air: 25 A at <60 °C for Power circuit - 10 A at <60 °C for signaling circuit
• Rated closing power Irms: 250 A at 440 V per IEC 60947-compliant power circuit - 140 A "AC" per IEC 60947-5-1-compliant signaling circuit - 250 A DC per IEC 60947-5-1-compliant signaling circuit
• Rated breaking capacity: 250 A at 440 V per IEC 60947-compliant power circuit
• Associated fuse rating: 10 A gG for signaling circuit complying with IEC 60947-5-1 - 40 A gG at <= 690 V Type 1 coordination for Power circuit - 25 A gG at <= 690 V Type 2 coordination for Power circuit
• Minimum switching current: 5 mA per signaling circuit
• Minimum switching voltage: 17 V per signaling circuit
• No-overlap time: 1.5 ms upon deactivation between NC and NO contact - 1.5 ms upon activation between NC and NO contact
• VA inrush power: 70 VA 60 Hz 0.75 20 °C)- 70 VA "50 Hz" 0.75 20 °C)
• VA holding power consumption: 7.5 VA 60 Hz 0.3 20 °C) - 7 VA "50 Hz" 0.3 20 °C)
• Insulation resistance: > 10 MOhm per signaling circuit
• Dimensions: height 77 mm - width 45 mm - depth 86 mm
• Heat dissipation: 2...3 W at 50/60 Hz
• Operating time: 12...22 ms closing - 4...19 ms opening
• Maximum operating rate: 3600 cycles/h at <60 °C
• Weight: 325 grams