Schneider Electric TeSys Accessories

TeSys accessories are the add-on parts that turn a basic contactor into a complete motor starter. They fit TeSys Deca LC1D contactors, CAD control relays and LRD overload relays. Auxiliary contact blocks give you extra normally open or normally closed contacts for signals and interlocks. Suppressor modules protect your control circuit from the voltage spikes that a coil produces when it switches off. Mechanical interlocks stop two contactors from closing at the same time, which is needed for reversing starters. Replacement coils let you change the coil voltage or fix a burnt coil without buying a new contactor. A terminal block such as the LAD7B105 lets you mount an overload relay away from the contactor. Using the right accessory saves time on site and keeps the panel safe.

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Features of Schneider TeSys Accessories

• Auxiliary contact blocks: add contacts such as 1NO+3NC or four NO, rated up to 10A at 690V AC
• Suppressor modules: protect the control circuit and PLC outputs from coil switching spikes
• Mechanical interlocks: block two contactors from closing together
• Replacement coils: change the coil voltage or repair a contactor
• Terminal blocks: allow separate mounting of LRD overload relays

Technical Specifications of Schneider TeSys Accessories

• Range: TeSys Deca accessories
• Auxiliary contact blocks: instantaneous, for LC1D09 to LC1D150 contactors and CAD relays. Dust and damp protected versions are available for harsh sites
• Suppressor modules: for LC1D09 to D38, LC1DT20 to DT40 contactors and CAD control relays
• Mechanical interlock: LAD9V2 for reversing starters
• Terminal block: LAD7B105 for separate mounting of overload relays
• Replacement coils: available in AC and DC voltages, for example 120V AC 60Hz
• Certifications: IEC, UL, CSA, CCC, EAC and Marine on most items

Compatibility and Installation Guide of Schneider TeSys Accessories

• Match the accessory to the contactor size. Check the product guide before you order
• Fit auxiliary blocks on the front or the side, depending on the model
• Use a suppressor that matches your coil voltage
• Fit the interlock between two contactors of the same size for a reversing starter
• Isolate the supply before fitting any part
• Installation should be done by a qualified electrician

Frequently Asked Questions

Q1: Which contactors do the contact blocks fit?
TeSys Deca LC1D09 to LC1D150 contactors and CAD control relays, depending on the block.

Q2: Why do I need a suppressor module?
A coil can send voltage spikes back into the control circuit when it switches off. A suppressor reduces them.

Q3: What does a mechanical interlock do?
It stops two contactors from closing at the same time, for example forward and reverse contactors.

Q4: Can I change the coil voltage on a contactor?
Yes. Many sizes accept replacement coils in different voltages.

Q5: What is LAD7B105 used for?
It is a terminal block that lets you mount an LRD overload relay separately from the contactor.

Q6: Do accessories need extra wiring?
Contact blocks and suppressors clip on and use screw terminals. Check the product guide for the wiring.

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