Schneider TeSys Deca Contactors - LC1D and LC1DT Series

TeSys Deca is Schneider Electric’s range of contactors for motors and power circuits. A contactor is a switch that is controlled by a coil. It lets a small control signal switch a large power load. The LC1D series has 3 pole contactors made for motor control. Ratings reach up to 150A for inductive loads. The LC1DT series has 4 pole contactors for resistive loads such as heaters and lighting, for example the LC1DT80A with 80A in AC-1 duty. You can choose the coil voltage that matches your control circuit, including 24V, 48V, 230V and 415V AC, and 24V DC versions. Many models include 1NO and 1NC auxiliary contacts. Contactors mount on a DIN rail or with screws. Overload relays, auxiliary blocks and suppressors can be added.

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Schneider TeSys Deca Contactors - Features

• 3 pole and 4 pole models: LC1D for motors, LC1DT for resistive loads
• Many coil options: AC and DC voltages
• Built-in auxiliary contacts: 1NO + 1NC on many models, NC mirror certified
• High operating rate: up to 3600 cycles per hour on the 80A model
• Multi standard approvals: IEC, UL, CSA, CCC, EAC and Marine

Schneider TeSys Deca Contactors - Technical Specifications

• Range: TeSys Deca (LC1D)
• Poles: 3P and 4P
• Power circuit voltage: up to 690V AC
• Example, LC1DT80AN7: 4P (4 NO), 80A at up to 440V (AC-1), 415V AC coil, 1NO+1NC built in, 70mm wide
• Other examples: LC1D12P7 (12A, 230V AC coil), LC1D38E7 (38A, 48V AC coil), LC1D80BD (80A, 24V DC coil)
• Impulse withstand voltage: 6kV
• Mounting: DIN rail or screw fixing

Schneider TeSys Deca Contactors - Compatibility and Installation Guide

• Add LRD thermal overload relays to build a motor starter
• Works with GV motor circuit breakers through link kits
• Accessories: auxiliary contact blocks, suppressor modules and mechanical interlocks
• Check that the coil voltage matches your control supply
• Isolate the supply before fitting
• Mount the contactor, connect the power cables and then the control wires
• Installation should be done by a qualified electrician

Frequently Asked Questions

Q1: What does the code LC1D12P7 mean?
It is a 12A contactor with a 230V AC coil.

Q2: Can I use LC1DT for motors?
No. It is rated for resistive AC-1 loads.

Q3: Do I need an overload relay?
Yes, for motor starters, unless a GV motor circuit breaker is used.

Q4: Can I add more contacts?
Yes. Fit an auxiliary contact block on top.

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