One Feas snt9224-3  3 phase  to 24 volt power supply.

FEAS Power Supplies and DC-UPS's offer the highest level of quality and reliability
All FEAS Power Supplies are epoxy encapsulated for thermal efficiency, reliability and long life
Parallel connection of most types is possible. (see data sheet)
Often used in inclement environments of extreme low or high temperature and high shock and vibration
Used on cranes and hoists, military field equipment, motorway overhead signs and skid mounted equipment as well as control panels

Manufacturer spec as follows:

• Output separated according to VDE 0551
• Extra low safety potential PELV (EN 60204), SELV (EN 60950)
• Overload- and open circuit protected
• Short circuit proof
• Operating status shown by LED
• Parallel connection possible
• Output protected against polarity reversal
• Suitable for the tropics - epoxy resin casted
• Safety acc. to VDE, EN, UL, CSA

Technical data
Input voltage (VAC): 320-550 VAC (0-400 Hz)
Input voltage (VDC): 450-780 VDC
Output voltage: 24 VDC
Adjustment range: 22.5-30.0 VDC
Output current: 8.0 Amp.
Power: 192.0 Watts
Efficiency: 91%
Residual ripple: < 25 mVPP
Operating temperature range:  -40°C / +70°C
Mounting: on rails acc. to DIN 46277 or wall mounting with screws
Dimensions (WxHxD): 94.0 x 100.0 x 120.0 mm
Weight: 2.00 kg

Full spec sheet available please ask.