12VAC 0.25A 3W EI35 BS Linear Power Supply
      12VDC 0.25A 3W EI48 Linear Power Supply
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12VDC 0.25A wall-mount Linear Power adapter. Linear power supply,  CE ROHS EMC certified, Class II, Energy-saving, IP20, Universal input, customized design. 
Model: KRE-1200250L

Power: 3W
Input valtage: 230VAC 50HZ
Input current: 40mA
Output valtage: 24VAC
Output current: 250mA

General scope: 
Very low-ripple and noise
Very good regulation, low-disturbance noise, but heavier, bigger size, than switching power supply
Used for antenna, fan, radio, video, toy, aquarium, desk lamp, LED lamp and more

Burn-in: 100% full load, 40°C, 4 hours (minimum)
Leakage current: 0.25mA at 264V AC (maximum)
Withstanding voltage: 3kV 1minute 10mA max, between primary and secondary
MTBF: meet MIL-HDBK-217F over 50,000hrs, full load, 25°C

CE (low-voltage directive)
UL1310, GB4943-2001
PSE IEC60950, EN60065
EN60950:2009, EN60065
AS/NZS 60950:2000, AS/NZS60065

Lightweight and convenient plug in
IP20 rating
High-efficiency: consumption, meets US Energy Star, CEC, AS, MEPS, EUP and ERP

AS/NZS3548, AS/NZS4251.1 class B
FCC part 15 class B
CNS13438 class B
CISPR22 class B
EN55022 class B
IEC61000-4-2, IEC61000-4-3
IEC61000-4-4, IEC61000-4-5
IEC61000-4-6, IEC61000-4-11

Very nice regulation
Low-disturbance noise, but more heavy
Very low-ripple and noise
Thermal cutoff capability
Customized requirements are accepted
Larger size than switching power supply
Used for antennas, fans, radios, video, toys, aquariums, desk lamps and LED lamps

Input voltage: 100-240VAC
Input frequency range: 50 and 60Hz
Input current: 40mA maximum
No-load input power: 0.3W at 240V AC
Efficiency: CEC IV, ErP I
Input plug: EU/VDC (EU), US (North America), PSE (Japan), SAA (Australia, NZ), BS (UK, HK), Brazil, South Africa, CCC (China) and EK (Korea)

Output voltage: 3 to 24V AC (optional)
Output current: 30 to 100mA (maximum)
Output voltage precision: 5%
Ripple and noise: 100mV
Regulation:±1% line, ±5% load
Wire length: 1.8m