13.8V / 27.6V DC Fanless Switching Mode Battery Charger

Model No.	Output Watts	Input Voltage	Max Inrush current	Frequency
STC-1250XX	173W	110/220V AC	80A/40A@220/110VAC	47~63 Hz
STC-2450XX	173W	110/220V AC	80A/40A@220/110VAC	47~63 Hz

ENVIRONMENTAL CONDITIONS:
● Cooling:	Natural convection
● Temperature sensor:	85°/95°/105° Celsius
● Operating Temperature:	0°C ~ +50°C Full Load
● Operating Humidity:	20%~85% RH. (Non condensing)
● Storage Temperature	-20°C~+80°C
● Storage Humidity:	10%~90% RH. (Non condensing)
● Operating Altitude	Sea level to Above Sea level 4000M

DC OUTPUT CHARACTERISTICS:

Model No.	STC-X70	STC-X80
Output system voltage (VDC)	12~14.8	27.6
Maximum load (Amps) (Constant current)	12.5	6.25
Minimum load (Amps)	0.2	0.2
Ripple/Noise (mV)	140	290
Line regulation	±1%	±1%
Load regulation	±3%	±3%
Maximum output not exceed	173 W	173 W

OVERALL PERFORMANCE:
● Efficiency	80% typical @ 110V/230V AC Full Load
● Short Circuit Protection (SCP)	All output equipped with SCP (shutdows and latch off)
● Over Power Protection (OPP)	Peak power protected to 130%±10% of continuous rated power
	(shutdown and latch off)
● Over Voltage Protection (OVP)	+12V @ 15.6~16.8V DC / +24V @ 31.2~33.6V DC
● Auto off charger protection:	When the battery full load, the charger will not load to battery

RELIABILITY:
● MTBF (Mean Time Between Failure):	75 000 hours @Max. Load, 110/220V AC @ 25°C ambient
● Safety Standards	Meet IEC60950-1, EN60950-1
● Safety Approved
● EMI Compatibility (EMC) Standard	EN55032:2015/AC:2016, CISPR32:2015, EN6100-3-2:2014,
	EN6100-3-3:2013, EN55024:2010 +A1:2015

ISOLATION:
● INPUT and OUTPUT are isolated by transformers and optical couplers
● Dielectric Withstand:	INPUT to OUTPUT: 1500V AC for 60 seconds
● Dielectric Withstand:	INPUT to FRAME GROUND: 1500V AC for 60 seconds
● Leakage Current:	<0.005μA @ 264V AC

Auto shutdown Temperature sensor protection:
● Temperature sensor 95 degree Celcius, auto recovery

Input & Output Device Connector specific:
● One set Red and Black 10AWG UL1007 with Y type connector

Standard Output Cable Length From Chassis
● One set Red and Black 10AWG UL1007 with Y type connector

Power chassis Dimension:
● 180(L) x 110(W) x 71(H) mm / 7.087(L) x 43.30(W) x 27.95(H) Inches

Net Weight:
● 1.4 kg / 3.086 lbs

Gross Weight:
● 1.6 kg / 3.526 lbs

Packing Detail
● 8 pcs and 12 pcs optional

Measurement of Carton
● 0.0425 m3 / 1.5 Cuft