The 57C330C is a Reliance Electric AutoMax Remote I/O Head. This component can be used as a link between the series (AutoMax) Remote I/O network and digital/analog rails, local heads, thumbwheel switch modules, or LED modules. The I/O head has a front panel with six screw connections (L1/L2/120/240/Ready/Ready,) six LED indications (Run/Power/CPU ready/Fault MSB/Fault LSB/Rail Fault,) four multi-pin connectors (labeled zero through 3) and a D-37 connector. The front panel also holds a Buss 2 Amp 250 V fuse.
The 57C330C Remote I/O head has dimensions of 23.9 cm (height) by 14.0 cm (width) by 19.2 cm depth. If cables are to be attached to the unit, please allow for an additional 4.9 cm clearance. The unit is designed to be mounted vertically on a mounting surface or in an enclosure with proper air flow for cooling. The unit has an operating temperature of zero to 60 degrees Celsius with a line frequency of 47.5 ot 63 Hz. Maximum Load at 120 V ac is 0.5A and at 240 Vac is 0.25A. Maximum power dissipation is 50 W. The unit should be properly grounded. Refer to data sheets or user guides from the manufacturer for information on proper grounding procedures.
More information about this component or about the Automax Remote I/O Network can be found through Reliance/Rockwell Automotive publications referencing that series. Please follow all safety guidelines as specified by the original equipment manufacturer.