Kraus & Naimer C316 T206/48 STM Emergency Stop Main Switch, 6-Pole, 275 A, in Enclosure (STM)

Kraus & Naimer C316 T206/48 STM Emergency Stop Main Switch, 6-Pole, 275 A, in Enclosure (STM)

Kraus & Naimer C316 T206/48 STM is a 6-pole emergency stop main switch rated 275 A (enclosed thermal current Ithe 275 A, open thermal current Ith 315 A) (red handle, yellow front plate); supplied as a maintenance and safety switch in a STM plastic enclosure with conduit entries, IP66/67, enclosure size 560 x 380 x 280 mm (oversized wiring space). Ratings: rated insulation voltage Ui 1000 V, impulse withstand voltage Uimp 8 kV, AC-21A 315 A, three-phase motor rating at 380–440 V: AC-3 55 kW, AC-23A 132 kW, breaking capacity 2000 / 2000 / 335 A (220–240 / 380–440 / 660–690 V), maximum fuse 315 A gG, short-time withstand current 4200 A (1 s). Connection: flexible conductors up to 150 mm², solid or stranded conductors up to 185 mm², terminal tightening torque 14 Nm. The enclosure has IP66/67 protection; a ground terminal and a safety interlocked cover are standard equipment. Codes ending in STM are supplied with conduit entries. This version is supplied with cable glands. It includes 1 NO + 1 NC auxiliary contacts; the auxiliary contacts close after the main contacts close and open before the main contacts open. The KG and C316 series switches exceed the requirements of IEC 60947-3 / EN 60947-3 (VDE 0660 part 107), IEC/EN 60204 and VDE 0113 and are used as switch disconnectors, main switches and maintenance switches.

Number of Poles6P
Rated Current275 A
Mounting TypeSTM ile kutulu (bakım and emniyet şalteri)
IP RatingIP66/67
SeriesC316
Size TypeS3
Function CodeT206
Switch FunctionAcil Durdurma Fonksiyonlu Ana Şalter (0-1)
Switch Positions0-1
Number of Positions2
Handle ColorRed (sarı ön plaka)
Conventional Free Air Thermal Current (Ith)315 A
Ambient temperature for rated current55 °C (24 hours, tepe 60 °C)
Conventional Enclosed Thermal Current (Ithe)275 A
Rated Insulation Voltage (Ui)1000 V (AC 50/60 Hz and DC)
Rated Impulse Withstand Voltage (Uimp)8 kV
Overvoltage categoryIII
Pollution Degree3
Rated Operational Current AC-20A (Ie)1000 V: 315 A
Rated Operational Current AC-21A (Ie)20–690 V: 315 A
Rated Operational Current AC-22A (Ie)220–500 V: 315 A; 660–690 V: 125 A
Rated Operational Power AC-2 (Pe)3-phase: 220–240 V 55 kW; 380–440 V 90 kW; 500 V 110 kW; 660–690 V 55 kW
Rated Operational Power AC-3 (Pe)3-phase: 220–240 V 37 kW; 380–440 V 55 kW; 500 V 55 kW; 660–690 V 37 kW. 1-phase: 110–120 V 11 kW; 220–240 V 22 kW; 380–440 V 30 kW
Rated Operational Power AC-4 (Pe)3-phase: 220–240 V 15 kW; 380–440 V 25 kW; 500 V 25 kW; 660–690 V 22 kW. 1-phase: 110–120 V 4 kW; 220–240 V 7.5 kW; 380–440 V 11 kW
Rated Operational Power AC-23A (Pe)3-phase: 220–240 V 75 kW; 380–440 V 132 kW; 500 V 132 kW; 660–690 V 37 kW. 1-phase: 110–120 V 18.5 kW; 220–240 V 37 kW; 380–440 V 55 kW
Maximum Fuse CurrentgG 315 A
Rated Short-Time Withstand Current (Icw)4200 A (1 s)
Breaking Capacity220–240 V: 2000 A; 380–440 V: 2000 A; 660–690 V: 335 A
Power Loss per Pole17 W
Solid Conductor Cable Cross-Section185 mm2
Stranded Conductor Cable Cross-Section185 mm2
Flexible Conductor Cross-Section150 mm2
Cable section (AWG/MCM)MCM 300 (flexible); MCM 350 (solid or stranded)
Conductor MaterialCopper
Tightening Torque14 Nm (125 lb-in)
Recommended Screw Driveranahtar M12
Contact TypeRigid bridging link
Contact MaterialSilver
Connection TypeCıvatalı terminal; kablo pabucu M12 vidayı alabilmeli
UL/CSA Rated Insulation Voltage (Ui)600 V AC

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