Interface specifications
Power
Rated voltage DDW-x42: 24 to 48 VDC
DDW-x42-12VDC: 12 to 48 VDC
Operating voltage DDW-x42: 19 to 60 VDC
DDW-x42-12VDC: 9.8 to 60 VDC
Rated current
DDW-x42:
245 mA (405 mA) @ 24 VDC (with 500 mA USB load)
124 mA (200 mA) @ 48 VDC (with 500 mA USB load)
DDW-x42-12VDC:
475 mA (765 mA) @ 12 VDC (with 500 mA USB load)*
245 mA (405 mA) @ 24 VDC (with 500 mA USB load)
124 mA (200 mA) @ 48 VDC (with 500 mA USB load)
Rated frequency DC
Inrush current, I²t
DDW-x42:
10.6 mA²s @ 24 VDC
24.7 mA²s @ 36 VDC
42.4 mA²s @ 48 VDC
DDW-x42-12VDC:
89 mA²s @ 12 VDC*
18 mA²s @ 48 VDC
Startup current*
2 x Rated current
Polarity Reverse polarity protected
Redundant power input Ye s
Isolation to All other
Connection Detachable screw terminal
Connector size 0.2 – 2.5 mm² (AWG 24 – 13)
Connect the unit using at least 18 AWG (0.75 mm²) wiring
Shielded cable Not required
* External supply current capability for proper start-up.
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