Feature：

● Constant voltage mode power supply
● 170～264V AC input
● Compact size, light weight, high efficiency
● Short-circuit /overload/ overpressure/ over temperature protection
● air cooling
● comply with IP67 class
● 100% full-load burning test
● Measurement：182×30×20mm
● Two years quality warranty

Specification IP67

Model

HHF-250-12

Output

DC output voltage

12V

24V

36V

Output voltage error

±1%

±1%

±1%

Rated output current

1.7A

0.8A

0.6A

Output current range

0～1.7A

0～0.8A

0～0.6A

Output power

20W

20W

21W

Wave and noise

100mVp-p

100mVp-p

150mVp-p

Set up, rise, hold up time

800ms,20ms,24ms/230VAC

Input

Input voltage range

170～264VAC 47～63Hz，235～373VDC

AC input current

0.28A/230VAC

Efficiency

76%

78%

80%

Impulse current

Cold-start current 30A/230VAC

Leakage current

＜0.5mA/240VAC

Protection

Feature

Overload protection

Rated output power 105%～135% set overload protection

Protection type：pulsing hiccup shut down abnormal overload condition. auto recovery

Overpressure protection

Output voltage 135%～150%

Protection type：pulsing hiccup shut down abnormal condition auto recovery

over temperature protection

Transistor Inner Point temperature≥150℃，set over temperature protection

Protection type：Cutting output， temperature recovery. auto recovery

Condition

Working temperature and humidity

-10℃～+60℃;20%～90%RH (Reference derating curve)

Store temperature and humidity

-20℃～+85℃;10%～95%RH (No Condensation)

shock resistance

10～500Hz，2G 10min./1cycle，period for 60 min，each axes

Safety

Withstand voltage

Output and input interval：1.5KVAC

Isolation resistance

Output and input interval：100M Ohms/500VDC

Meet standards

Safety standards

Meet UL1012 IP67

EMC standards

Meet EN55022，CLASSA

Others

Weight

0.22kg 182*30*20（L*W*H）

packing

0.22kg/80pcs/18.5kg

Notes：

1. The testing condition for the parameter above is:230VAC input, rated load,25℃.

2. Wave test:adopting“A12”double wire for 20MHz,and 0.1uF&47uF capacitor short-circuit for interrupting

3. Error,include the setting error, current regulation and voltage regulation