Specialty Concepts SC3/20 - Manual (Page 2)

PARAMETERS UNITS VALUE
Nominal Voltage (Volts) 12
Short Circuit Current, Continuous (Amps) 20
Short Circuit Current, Max (60 seconds) (Amps) 26
Load Current, Continuous (1)(3) (Amps) 10
Load Current, Max (60 seconds) (1)(3)(5) (Amps) 13
Array Voltage, Max Voc (Volts) 26
Operating Voltage @ Battery, Min. ( Charging) (Volts) 0
Operating Voltage @ Battery, Min. ( LVD )(1) (Volts) 8.5
Operating Voltage @ Battery, Min. ( Meter ) (Volts) 10
Quiescent Current (Milliamps) 15
Current Consumption, Charging, Typ. (Milliamps) 25
Current Consumption,
Load Disconnected, Typ. (1)(4) (Milliamps) 40
Voltage Drop, Array to Battery, Typ. (Volts) .40
Voltage Drop, Battery to Load, Typ. (1) (Volts) @ 10 amps .06
Charge Termination, Factory Set (Volts) 14.3 + .2
Charge Termination, Adjustable Range (6) (Volts) 13.8 to 14.9
Charge Resumption, Factory Set (7) (Volts) 13.0 + .3
Low Battery Warning Light, On (Volts) 11.7 + .3
Load Disconnect (LVD) (1) (Volts) 11.5 + .2
Load Reconnect (1) (Volts) 13.0 + .3
Meter Accuracy, DC current (int. shunt) 2 %
Meter Accuracy, DC current (ext. shunt) 1 %
Meter Accuracy, DC voltage 1 %
Operating Temp. Range (
°
C) 0 to 50
Storage Temp. Range (
°
C) -20 to 70
Temperature Comp. Coef. (from 25
°
C) (2) (Volts/
°
C) -.03
Notes: (1) Low-voltage Load Disconnect Option
(2) Temperature Compensation Option
(3) Non-inductive.
(4) LVD relay energized, red L.E.D. on, typical value.
(5) Carry only, Non-switching
(6) Set-points can be adjusted beyond this range but are not recommended
(7) The charge termination / reconnect span is fixed. Reconnect set-point changes during
charge termination set-point adjustment.
S
P E C I F I C A T I O N S
PART NUMBERING KEY
Model
EXAMPLE: Nominal Voltage
Option
SC3/20 - 12 - A
Specifications and product availability subject to change without notice.
NOMINAL
MODEL VOLTAGE OPTIONS
SC3/20 12 A - Temperature Compensation
E - Low Voltage Disconnect (LVD)
ACCESSORIES
4x7 BOX