• DGK-309 (DATAKOM)
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TECHNICAL SPECIFICATIONS 
Alternator voltage: 0 to 300 V-AC (Ph-N) 
Alternator frequency: 0-100 Hz. 
Mains voltage: 0 to 300 V-AC (Ph-N) 
Mains frequency: 0-100 Hz. 
DC Supply Range:  9.0 to 30.0 V-DC 
Cranking dropouts: survives 0 V for 100ms. 
Typical Standby Current: 100 mA-DC 
Maximum Operating Current: 200 mA-DC (Relay outputs open)
Generator/Mains Contactor Relay Outputs: 16 A / 250V 
DC Outputs: 1A @ 28V 
Charge excitation current: min 150mA @ 10 to 30 V-DC 
Current inputs: from CTs, .../5A. Max load 0.7VA per phase. 
Magnetic pickup input:: 1 – 30 Vac. 
Magnetic pickup frequency: 10 KHz max. 
Analog input range: 0-5000 ohms. 
Serial port: RS-232, 2400 bauds, no parity, 1 bit stop  
Operating temp.: -20°C (-4°F) to 70 °C (158°F). 
Storage temp.:    -40°C (-40°F) to 80 °C (176°F). 
Maximum humidity: 95% non-condensing. 
Dimensions: 165 x 125 x 48 mm (WxHxD) 
Panel Cut-out Dimensions: 151x111 mm minimum. 
Weight: 350 g (approx.) 
Case Material: High Temperature ABS/PC (UL94-V0) 
IP Protection: IP65 from front panel, IP30 from the rear 
Conformity (EU directives) 
 -2006/95/EC (low voltage) 
  -2004/108/EC (electro-magnetic compatibility) 
Norms of reference: 
 EN 61010  (safety requirements) 
 EN 61326  (EMC requirements)