1 Innovators in Protection Technology Contactors and Thermal Overload Relays

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Contactor Internal Structure 4 3 Pole Contactors and Thermal Overload Relays 6-9 Thermal Overload Relays 15

CONTACTOR INTERNAL STRUCTURE Safety cover Upper frame Fixed contact Fixed contact Moving core Back spring Coil Ass’y Fixed core Lower frame

TemContact 2 is a new range of magnetic contactors and thermal overload relays. Current ratings from 6A to 800A are available in 9 frame sizes and in 3 or 4 pole versions. Safer TemContact 2 has upgraded insulation voltage (from 690 to 1000V AC) and impulse withstand voltage (from 6kV to 8kV) in contactors over 40AF. The electrical arc is extinguished entirely within the sealed unit, so that no arc flash is exposed. The sealed structure also prevents dust and humidity from entering the contactor. An optional safety cover is available which prohibits any unintended manual operation.

3P CONTACTORS TO IEC 60947-4-1, UL 508 Model Number of poles Frame size Current and Power Ratings Thermal current Switching power Switching current Switching power Switching current Switching power Switching current Switching power Switching current Continuous current, UL rating 50/60Hz Switching power, single phase (UL rating 50/60Hz) Switching power, single phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Electrical Characteristics...

Number of poles Frame size Current and Power Ratings Thermal current Switching power Switching current Switching power Switching current Switching power Switching current Switching power Switching current Continuous current, UL rating 50/60Hz Switching power, single phase (UL rating 50/60Hz) Switching power, single phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Electrical Characteristics Rated operational voltage, Ue Rated...

Number of poles Frame size Current and Power Ratings Thermal current Switching power Switching current Switching power Switching current Switching power Switching current Switching power Switching current Continuous current, UL rating 50/60Hz Switching power, single phase (UL rating 50/60Hz) Switching power, single phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Electrical Characteristics Rated operational voltage, Ue Rated...

4P CONTACTORS TO IEC 60947-4-1, UL 508 Model Number of poles Frame size Current and Power Ratings Thermal current Switching power Switching current Switching power Switching current Switching power Switching current Switching power Switching current Continuous current, UL rating 50/60Hz Switching power, single phase (UL rating 50/60Hz) Switching power, single phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Switching power, three phase (UL rating 50/60Hz) Electrical Characteristics...

EASY TO INSTALL • SIMPLE OPERATION • RELIABLE 2 3 1. TSU-01 Auxilliary Contact (side mounted) 2. TSS Surge Unit (absorbs the surge current arisen out of the contactor coil energising 3. TSW Wire Kit (used in motor reversing application with mechanically interlocked contactors) 4. TSR Interlock Unit (side mounted, used for mechanically interlocking 2 contactors) 5. TSU-40 Auxilliary Contact (4 contacts, front mounted) 6. TSU-20 Auxilliary Contact (2 contacts, front mounted) 7. MC Safety Cover (prohibits unintended manual operation) 8. TK Overload relay 9. TSZ Remote Mounting Unit for TK Overload...

OVERLOAD RELAYS General description TK type, bimetal-style overload relays are designed to protect AC circuits and motors against overloads, phase failure, long starting times and prolonged stalling of the motor. The protection function and trip class is Differential: 3 pole-3bimetal (heater) and trip class 20. Relay type Protection cover Adjustment dial. Sealing the protection cover Upstream connections Circuit identification Trip indicator Stop/Test button Reset button/Selector (manual or automatic reset) Auxilliary contacts Downstream connections

^^1^^ Innovators in Protection Technology TERASAKI ELECTRIC (EUROPE) LTD. 80 Beardmore Way, Clydebank Industrial Estate Clydebank, Glasgow, G81 4HT, Scotland (UK) Email: [email protected] TERASAKI ELECTRIC (EUROPE) LTD. (FILIALE ITALIA) Via Ambrosoli, 4A-20090 Rodano, Milano, Italy TERASAKI ELECTRIC (EUROPE) LTD. c/Ros Dels Ocells 5-7, 08043 Granollers, (Barcelona) Espana Email: [email protected] Email: [email protected] TERASAKI CIRCUIT BREAKERS (S) PTE. LTD. 9 Toh Guan Road East 03-01 Alliance Building Email: [email protected] Lot 3, Jalan 16/13D, 40000 Shah Alam, Selangor Darul...