Perfect for connecting Ethernet enabled industrial equipment, such as PLC’s, industrial PC’s, Ethernet I/O and data acquisition equipment, the 900 Series Modular Industrial Ethernet Switches offer outstanding performance, ease of use, and flexible expansion options. Three module slots are available for the installation of the N-TRON 900 Series expansion modules, providing maximum flexibility. Mix and match fiber ports with twisted pair ports. Up to twenty-four twisted pair 10/100BaseTX or twelve 100BaseFX fiber ports can be installed with multiple combinations available. All 900 series switches are UL Listed and TUV Certified and can be used in Class I, Division 2 Hazardous locations. The 900B Chassis draws less than 1.5 Amps of input current at 24 volts, when fully populated.