series-motor-controller-1209.pdf

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MOSFET ELECTRONIC
MOTOR SPEED CONTROLLERS
MODEL 1209B/1221B
FEATuRES
•
High frequency switching and ultra low voltage drops provide
very high efficiency and silent operation. Costs, heatsinking
requirements and motor and battery losses are reduced. Low
end torque, range and battery life are increased.
aluminum extrusion housing. Simple mounting and wiring
with push-on type connectors for control signals. Plated solid
copper busses used for all power connections.
•
Environmental protection provided by a rugged anodized
•
Thermal protection and compensation circuit provides constant
current limit over operating range and under temperature and
over temperature cutback. No sudden loss of power under any
thermal conditions.
•
No adjustments are required.
•
Simple installation – Uses a two wire throttle potentiometer.
•
Potentiometer fault protection circuitry disables controller if
throttle wires become open.
•
High pedal disable prevents controller operation if key is
turned on while throttle is applied.
DESCRIPTION
Curtis PMC Models 1209B/1221B are power MOSFET
electronic motor speed controllers designed to provide
smooth, silent, efficient and cost effective speed, torque
and braking control.
•
Plug braking or free wheeling options.
SPECIFICATIONS
•
Frequency of Operation: 15 kHz
•
Standby Current: less than 20 mA
•
Standard Throttle Input: 0-5k ohms ±10% (others available)
•
Weight: 1209B: 4.0 kg (8.8 lbs); 1221B: 4.9 kg (10.8 lbs)
•
Full Power Operating Temperature Range: -25°C to 75°C
(controller temperature)
APPLICATION
Curtis PMC MOSFET motor speed controllers are ideal for
a variety of electric vehicle applications, including industrial
trucks, personnel carriers, material handling vehicles, airport
equipment, tow tractors, scissors-lift, and boom trucks, etc.
www.curtisinstruments.com
MODEL 1209B/1221B
MODEL CHART
Curtis PMC
Models
1209B-46XX
1209B-55XX
1209B-64XX
1221B-48XX
1221B-57XX
1221B-66XX
Voltage
(Volts)
24-36
36-48
48-72
24-36
36-48
48-72
Current
(Amps)
500
450
400
600
550
500
2 Minute
Rating
(Amps)
500
450
400
600
550
500
5 Minute
Rating
(Amps)
350
350
275
425
375
350
1 Hour
Rating
(Volts)
225
200
175
250
225
200
Voltage
Drop
@ 100A
<0.15V
<0.30V
<0.30V
<0.10V
<0.25V
<0.25V
Undervolt
Cutback
(Volts)
16
21
30
16
21
30
DIMENSIONS
A
16
(0.65")
142.7
(5.62")
80
(3.15")
8.4 Dia
(0.33")
4 plcs
(0.97") x 19 (0.75")
x (0.19") thick 4 plcs
7.1 Dia
(0.281")
4 plcs
165
(6.5")
180
(7.1")
3.3
(0.13")
1.45"
B
1209B
231 (9.1")
(6.0")
1221B
282 (11.1")
(8.0")
DIM
A
B
TYPICAL WIRING DIAGRAM
Control
Wiring
Fuse
Polarity
Protection
Diode
Key
Switch
Throttle
Switch
Optional
Precharge Resistor
Main
Main
Forward
Reverse
+
Power
Wiring
Fuse
A2
Motor
Armature
Throttle
Pot
R
A1
F
Motor
Field
S2
R
S1
–
F
B-
M
B+
A2
W A R R A N T Y
Two year limited warranty from time of delivery.
is a trademark of Curtis Instruments, Inc.
Specifications subject to change without notice
©2006 Curtis Instruments, Inc.
50068 REV D 10/08

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