APPENDIX D
pg. 147
Return to TOC Curtis 1232E/34E/36E/38E & 1232SE/34SE/36SE/38SE Manual, os 31 – May 2017
Table D-1 SPECIFICATIONS: 1232E/SE, 1234E/SE, 1236E/SE, 1238E/SE CONTROLLERS
APPENDIX D
CONTROLLER SPECIFICATIONS
Nominal input voltage: 24 V, 24–36 V, 36–48 V, 48–80 V, 72–96 V
NOMINAL
VOLTAGE
MINIMUM
VOLTAGE
MAXIMUM
VOLTAGE
BROWNOUT
VOLTAGE
24 V 14 V 30 V 12 V
24–36 V 16.8 V 45 V 15 V
36–48 V 25.2 V 60 V 20 V
48–80 V 33.6 V 105 V 20 V
72–96 V 50.4 V 120 V 30 V
PWM operating frequency: 10 kHz
Maximum encoder frequency: 10 kHz
Maximum controller output frequency: 450 Hz
Electrical isolation to heatsink: 500 V ac (minimum)
Storage ambient temperature range: –40°C to 95°C (–40°F to 203°F)
Operating ambient temperature range: –40°C to 50°C (–40°F to 122°F)
Thermal cutback: Controller linearly reduces maximum current limit with an internal heatsink
temperature from 85°C (185°F) to 95°C (203°F); complete cutoff occurs
above 95°C (203°F) and below –40°C (–40°F)
Design life: 1238E-75XX and 1238E-76XX: 5,000 hours
All other models: 20,000 hours
Operating duration at maximum current: 2 minutes minimum (unless otherwise noted), with initial temperature of
25°C and no additional external heatsink
Package environmental rating: IP65 per IEC529; compliance requires AMPSEAL 35-pin connector header
Weight: 1232E: 1.70 kg 1232SE: 1.92 kg
1234E: 2.84 kg 1234SE: 3.12 kg
1236E: 4.12 kg 1236SE: 3.79 kg
1238E: 6.82 kg 1238SE: 6.00 kg
Dimensions, W×L×H: 1232E: 140 × 180 × 71 mm 1232SE: 140 × 180 × 74 mm
1234E: 155 × 212 × 75 mm 1234SE: 155 × 212 × 79 mm
1236E: 165 × 232 × 85 mm 1236SE: 165 × 232 × 85 mm
1238E: 275 × 232 × 85 mm 1238SE: 275 × 232 × 85 mm
EMC: Designed to the requirements of EN 12895:2000
Safety: Designed to the requirements of EN 1175-1:1998 + A1:2010 and EN
13849-1:2008 Category 2
UL: UL recognized component per UL583
Note: Regulatory compliance of the complete vehicle system with the controller installed is the responsibility of the OEM.
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