The Sanftanlauf-Modul Soft starter Module sTT800N18P55 is a high-reliability soft starter module featuring advanced medium power technology (AMPT) and pressure contact technology. It includes an integrated optimized heatsink and is designed for applications such as soft starters, bypass switches, power controllers, and static switches.
| Parameter | Value | Unit | Condition |
| Key Parameters | |||
| VDRM / VRRM | 1800 | V | |
| Ioverload(21s) | 800 | A | |
| ITSM | 6300 | A | Tvj = 25C, tP = 10ms |
| VT0 | 0.9 | V | |
| rT | 0.83 | m | |
| RthJA (21s) | 0.196 | K/W | |
| Maximum Rated Values | |||
| VDRM, VRRM | 1800 | V | Tvj = +25C... Tvj max |
| VDSM, VRSM | 1850 | V | Tvj = +25C... Tvj max |
| Ioverload | 800 | A | W1C; sin.180;t overload= 21s Tvj=155C; Tvjstart=40C |
| ITSM | 6300 | A | Tvj = 25C, tP = 10ms |
| ITSM | 5400 | A | Tvj = Tvj max, tP = 10ms |
| It | 198450 | As | Tvj = 25C, tP = 10ms |
| It | 145800 | As | Tvj = Tvj max, tP = 10ms |
| (diT/dt)cr | 250 | A/s | DIN IEC 747-6 f = 50Hz, iGM = 1A, diG/dt = 1A/s |
| (dvD/dt)cr | 1000 | V/s | Tvj = Tvj max, vD = 0,67 VDRM 6.Kennbuchstabe / 6th letter F |
| Characteristic Values | |||
| vT max. | 1.56 | V | Tvj = Tvj max , iT = 800 A |
| V(TO) max. | 0.9 | V | Tvj = Tvj max |
| rT max. | 0.83 | m | Tvj = Tvj max |
| IGT max. | 200 | mA | Tvj = 25C, vD = 12V |
| VGT max. | 2 | V | Tvj = 25C, vD = 12V |
| IGD max. | 10 | mA | Tvj = Tvj max , vD = 12V |
| IGD max. | 5 | mA | Tvj = Tvj max , vD = 0,5 VDRM |
| VGD max. | 0.2 | V | Tvj = Tvj max , vD = 0,5 VDRM |
| IH max. | 300 | mA | Tvj = 25C, vD = 12V, RA = 1 |
| IL max. | 1200 | mA | Tvj = 25C, vD = 12V, RGK 10 iGM = 1A, diG/dt = 1A/s, tg = 20s |
| iD+ iR max. | 65 | mA | Tvj = Tvj max vD = VDRM, vR = VRRM W1C |
| tgd max. | 3 | s | DIN IEC 747-6 Tvj = 25C, iGM = 1A, diG/dt = 1A/s |
| tq typ. | 250 | s | Tvj = Tvj max, iTM = ITAVM vRM = 100 V, vDM = 0,67 VDRM dvD/dt = 20 V/s, -diT/dt = 10 A/s 5.Kennbuchstabe / 5th letter O |
| Thermal Properties | |||
| RthJR(21s) max. (per Module, DC) | 0.086 | K/W | |
| RthJR(21s) max. (per arm, DC) | 0.172 | K/W | |
| RthJR(21s) max. (per Module, = 180 sin) | 0.090 | K/W | |
| RthJR(21s) max. (per arm, = 180 sin) | 0.179 | K/W | |
| RthJA(21s) max. (per Module, DC) | 0.098 | K/W | |
| RthJA(21s) max. (per arm, DC) | 0.196 | K/W | |
| RthJA(21s) max. (per Module, = 180 sin) | 0.101 | K/W | |
| RthJA(21s) max. (per arm, = 180 sin) | 0.203 | K/W | |
| Tvj max | 125 2) | C | |
| Tc op | -40...+125 2) | C | |
| Tstg | -40...+130 | C | |
| Mechanical Properties | |||
| Terminal connection torque | 10 | Nm | M6 10% |
| Weight | 1260 | g | typ. |
| Creepage distance | 6.3 | mm | |
| Vibration resistance | 50 | m/s | f = 50 Hz |