Warner Electric CBC-300C Dual - Manual (Page 3)

3 Warner Electric • 800-825-9050 P-269-1
Specifications
Input Power: 120 VAC, +10%, -15%, 50/60 Hz,
single phase, 215 VA maximum.
Output: Pulse-width modulated full wave rectified
DC. Constant current, switch selectable ranges
designed for 90 volt DC clutches and brakes.
Ambient Temperature: -32°F to + 113°F (0°C to +
45°C) with plastic cover installed. -32°F to
+150°F (0°C to + 66°C) with plastic cover
removed, or board assembly only.
Circuit Protection: Internal short circuit protection
on outputs, but no circuit protection for AC
ground faults. Optional customer supplied
fusing on AC line, 1.5 amps, 250 VAC Fast-
Acting type fuse recommended.
Control Adjust: CBC-300 and CBC-300-C via front
panel potentiometer for current adjustment.
CBC-300-1 and CBC-300-C1 via external
mounted potentiometer for current adjustment.
CBC-300-2 and CBC-300-C2 current
adjustment via front panel potentiometer and
output level adjust via external potentiometer.
CBC-300-3 and CBC-300C3 both current
adjust and limit adjustment are via external
potentiometers.
Status Indicators: “POWER” – green LED indicating
AC power is applied to the control.
“SHORT” – red LED indicating that a short
circuit condition exists on one or both of
the outputs.
Internal Adjustments: Current Range Selection via
DIP switches, SW1 for Channel 1 and SW2 for
Channel 2.
Current Ranges:
Switch Setting 1 2 3 4 5
Max Output, ma 60 175 245 305 533
External Switching: Mechanical or Electro-mechanical
Switching: Customer supplied, 1 amp, 125 V
minimum rating.
Solid-state NPN isolated transistor
Customer supplied, 2 amp, 250V minimum
rating. Maximum off state leakage current < 1
ma.
External Pots:
Remote current adjust pot
Customer supplied: 10,000 ohm, 2 watt, linear,
maximum distance from control to
potentiometer not to exceed 10 feet.
Optional Accessory Pot Kit;
part number, 6011-101-002
Remote Level Adjust Pot
Customer supplied: 5,000 ohm, 2 watt, linear,
maximum distance from control to
potentiometer not to exceed 10 feet.
Optional Accessory Pot Kit:
part number, 6011-101-001.
Wiring Entrance: Two 7/8” diameter entrance holes
located on the bottom of the control chassis on
enclosed units. No conduit entrances are on
chassis mount versions.
Enclosure: Rated NEMA 1 only – Control must be
kept clear of foreign materials, dust, grease and
oil which might affect its operation.
Part Numbers:
Enclosed Versions
CBC-300 6021-448-001
CBC-300-1 6021-448-002
CBC-300-2 6021-448-003
CBC-300-3 6021-448-004
Chassis Versions
CBC-300-C
6021-448-005
CBC-300-C1 6021-448-006
CBC-300-C2 6021-448-007
CBC-300-C3 6021-448-008