Toshiba 18 - 1250 A Instruction Manual page 10

TE Series
Type of Load:
AC Supply Voltage:
Power Ratings:
Unit Capacity - Continuous
Unit Capacity - Overload Rating
(Percent of motor FLA)
Power Circuit
SCR Firing Angle Detection
SCR PIV Ratings
(Peak Inverse Voltage)
Phase Rotation
Transient Protection
Cooling
Bypass Contactor
Bypass Contactor Rating
Bypass Contactor Control
Ambient Condition Design
Control Power
Inputs
Programmable Outputs
Output Relay Contact Rating
Dedicated Fault Output
Approvals
1.1.3 Design Specifications
Three phase AC induction motors
Universal, 208 - 600VAC ±10%, 50/60 Hz
18 - 1250 Amps, 7.5 - 1000 HP @ 460V
Max. Amp rating is UL Listed continuous rating
350% - 30 seconds
600% - 10 seconds
6 SCRs, full phase angle firing using a hard fire picket firing circuit and "Back
Porch" DC carryover to avoid motor transient problems
6 pulse Independent Locked Phase Tracking with Auto-synchronization,
prevents misfiring on unstable source frequency
1600V
Operates with any phase sequence, or
programmable rotation trip ABC / ACB / Off
RC snubber dv/dt networks on each phase
Fan assisted convection
Standard on all NEMA 12 enclosed units
Units 160A and less: Standard on all open panel units (-BP versions)
Units 210A and over: Optional on open panel units (-BP versions)
Shunt rated or can be sized for Line start rated contactor (see charts)
Integral control is included, but contactor can be externally controlled as well.
Open panel mount units: 0° to 50 °C (32° to 122°F)
Factory enclosed units: 0° to 40°C (32° to 104°F)
5 - 95% relative humidity
0 - 3300 ft. (1000m) above sea level without derating
120VAC (customer supplied), 240VAC optional
6 Dry (voltage free) contact inputs using 24VDC from an internal power supply
3 relays, 2 each Form C (SPDT), 1 each Form A (SPST).
Can be programmed for 26 functions, with delays or flashing.
5 Amps, 240VAC max. (1200VA)
AC Triac solid state switch
240VAC/DC, 50mA max.
UL Listed, Canadian UL (cUL) Listed, CE Approved
Digital Solid State Soft Starters 18 – 1250A
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