44
Curtis 1212S Manual,
Rev. B
APPENDIX E
SPECIFICATIONS
APPENDIX E: SPECIFICATIONS
Table E-1 SPECIFICATIONS: 1212S CONTROLLER
Nominal input voltage
24 V, 36 V
Operating voltage
1212S-2xxx: 17 – 31 V; 1212S-3xxx: 25.5 – 46.5 V
PWM operating frequency
15.6 kHz
Electrical isolation to heatsink (min.)
500 V
KSI input current (max)
250 mA
Logic input current (max)
1 mA
+15V output current,
for programmer (max.)
60 mA
Minimum motor resistance
120 m
Ω
Lift Lockout output current (max.)
1.5 A
BDI output voltage, resistance (max.)
0 – 5 V, 10 k
Ω
EM brake coil resistance (min.)
20
Ω
Throttle type
resistance or voltage;
single-ended or inverted single-ended
Storage ambient temperature range
−40°C to 85°C
Operating ambient temp. range
−25°C to 50°C
Overvoltage cutoff
1212S-2xxx: 34 V; 1212S-3xxx: 51 V
Package environmental rating
ISTA 2A; electronics sealed to IPX5
Weight
0.45 kg
Dimensions (W
×
L
×
H) 79
×
141
×
47.5 mm
Regulatory compliance
EMC: EN12895:2000
UL List: UL583
Safety: EN13849-1(PL=B, Cat 2)
NOMINAL
20 SECOND
120 SECOND
1 HOUR
PEAK
MAX BOOST CURRENT
MODEL
BATTERY VOLTAGE
CURRENT RATING
CURRENT RATING
CURRENT RATING
BOOST CURRENT
DURATION
NUMBER
(volts)
(amps)
(amps)
(amps)
(amps)
(seconds)
1212S-25xx
24 90 50 30 100 5
1212S-26xx
24
110 (60 sec)
70
50
125
10
1212S-35xx
36 90 50 30 100 5
Note: All current ratings are rms values per motor phase. Internal algorithms automatically reduce maximum current limit when
heatsink temperature is >80°C or battery voltage is outside the allowed limits. Heatsink temperature is measured internally near the
power MOSFETs.
