Solid-State Squirrel Cage Starters, Reduced Voltage - Eaton Cutler-Hammer AMPGARD Technical Data Manual

Reduced Voltage Solid-State Squirrel Cage Starters
Non-Reversing — Equipment Details
Mounted in the Medium Voltage Sections
Three incoming line connectors.
Drawout 3-pole gang-operated line isolating switch assembly with
isolating shutter, external operating handle interlocked to prevent
opening the medium voltage compartment door until the isolating
switch is open and grounded.
Vertically mounted current limiting power fuses with pop-up blown
fuse indicators.
One magnetic 3-pole vacuum contactor with dc operating coils and
mechanical interlock to prevent opening the isolating switch when
contactor is closed.
One control power transformer (115-volt secondary).
Two CPT primary current limiting fuses.
One control circuit secondary fuse.
One run-test circuit.
Four electrical interlocks (2NO, 2NC).
Three current transformers.
Withdrawable SCR truck with integral bypass contactor.
Mounted in the Low Voltage Compartment
Control panel with:
– One MP-3000 motor protection relay
– One interposing control relay
Set of control circuit terminal blocks.
Mounted in Lower Door
24 Vdc power supply.
Soft start control module and CIM.
Status lights for soft starter fault and bypass mode.
Fault reset button.
Specifications
TABLE 15. STARTER SELECTION INFORMATION — DIMENSIONS IN INCHES (MM)
HORSEPOWER VOLTS
2200 – 2400 Volts Non-Reversing
1500/1750 2300
4000 – 4800 Volts Non-Reversing
2500/3000 4600
Horsepower based on NEMA standard design B motor at 1800 rpm.
When horizontal bus is added, height becomes 92 inches (2337 mm).
Maximum acceleration time is 180 seconds. Consult factory for times beyond 180 seconds.
Note: See Figure 15 for Starter Arrangement diagram.
Dimensions for estimating purposes only.
26 EATON CORPORATION Cutler-Hammer Chiller Starter (AMPGARD) Technical Data TD02003003E Effective: October 2006
SCR/CONTACTOR STARTER
AMPERE RATING INTERRUPTING
(ENCLOSED) RATING (KVA)
400 200,000
400 400,000
FIGURE 15. STARTER ARRANGEMENT 1
DIMENSIONS
HEIGHT WIDTH DEPTH
80 (2032) 36 (914) 30 (762)
80 (2032) 36 (914) 30 (762)
M
SCR
Truck
ADD.
STARTER WEIGHT
SPACES LBS. (KG)
1 2000 (908)
1 2000 (908)