ETL listed 12v 20.83A 250w LED electronic transformer
SMT-012-250VW is 12v LED electronic transformer for lighting strip. It is 12Vdc 250W power supply with 3 years warranty，Can be matched with Maxlite brand MP-MP-HO220UM-40BSK model
Features of 12v LED electronic transformer
● IP67 for indoor or outdoor installations
● Protections:Short circuit/Overload/Over temperature
● Cooling by free air convection
● 100% full load burn-in test
● Suitable for LED lighting
● Products through ETL,CE,RoHS Certification
●3 years warranty
Specification of 12v LED electronic transformer
1.All parameters NOT specially mentoned are measured at 120~220VAC input,rated load and 25℃ of ambient temperature
2.Ripple&noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf&10uf parallel.
3.Tolerance:includes set up tolerance,line regulation and load regulation.
SPECIFICAION
MODEL
SMT-012-250VW
SMT-024-250VW
OUTPUT
DC VOLTAGE
DC12V
DC24V
RATED CURRENT
20.83A
10.42A
CURRENT RANGE
0-20.83A
0-10.42A
RATED POWER
250 W
250W
RIPPLE&NOISE(max)
150mV
150mV
CURRENT TOLERANCE
SETUP RISE TIME
80ms/120VAC,220VAC
HOLD UP TIME(Typ.)
60ms/120VAC,220VAC
INPUT
VOLTAGE RANGE
100~265VAC
FREQUENCY RANGE
50~60Hz
POWER FACTOR(Typ.)
>PF0.97@120VAC & 220VAC
EFFICIENCY(Typ.)
﹥89%
AC CURRENT(Typ.)
1.85A/120VAC,220VAC
INRUSH CURRENT (Typ.)
COLD START 50A/120VAC,220VAC
PROTECTION
Short circuit
Protection type:recovers automatically after condition is removed
Overload
overload protected@145-160% above peak rating
Over temperature
Protection type:Shut down o/p voltage,re-power on to removed
ENVIRONMENT
WORKING TEMP.
-40~+50℃ (Refer to output load derating curve)
WORKING HUMIDITY
20~99% RH non-condensing(Waterproof)
STORAGE TEMP.,HUMIDITY
-40~+80℃,10~99%RH
SAFETY&EMC
SAFETY STANDARDS
ETL/cETL,CE Mark(EMC ,LVD),IP67
WITHSTAND VOLTAGE
I/P-O/P:1.5KVAC IP-GND:1.5KVAC
EMC Test Standards
EN55015:2006;EN61547:1995+2000;EN61000-3-2:2006
EN61000-3-3:1995+A2:2005;EN61346-1:2001;EN61347-2-13:2006
NOTE
Label
FAQ
What is CC and CV in power supply?
"CV" stands for "constant voltage", and "CC" stands for "constant current". Most types of load need constant voltage to operate, so if the "CV" LED is lit, it means the PSU works fine with your load.
