This 29V1A Power Supply was designed as the most critical standard for linear acuator adapter( UL1310; EN 61558-1:2005+A1, EN 61558-2-16:2009 (GS); C-Tick: AS/NZS CISPR 22:2006) 

[Technical Parameters]

Input :100-240VAC 47-63Hz 1.5A MAX

Output:29VDC/1A
The maximum current:4A
Efficiency:≥80%
Ripple:VP-P Ripple ≤400mV
Standby power:≤ 0.5W (Accord with standard IVof energy star).
Output voltage tolerance:±5%
All-round protection:OVP OCP OPP MAX8A
Short circuit protection:No damage to the machine when it is short-circuit of output.
The power supply shall be self-recoveed when short circuit is removed.
Operating temperature:-20 ~+50Celsius
Safety certificate:GS;UL;CE(LVD+EMC);FCC;C-Tick)