Potter MRS Main Reserve Switch

MRS SWITCH Mounts on single gang or handy box cUL Listed 2 3 4 W x 4 1 2 H x 2 D Approximate Rating Requirements 24 VDC 10mA Specifications use only range 22 to140 30 to 60 AMP 40 VDC number 3001003 and lights the yellow LED while disconnecting the release from the main bank of the extinguishing agent and connecting to the reserve bank Specification Main Reserve Switch shall be capable of switching the release of a release panel to either a primary main or secondary source of extinguishing agent The unit shall consist of a key operated switch rated for 1 Amp at 40 VDC mounted to stainless steel faceplate with a green and yellow LED The green shall be labeled Main and shall only light when the key is in the position The yellow LED shall be labeled Reserve and shall light when the switch is in the reserve position The Key shall be in either position The unit shall be designed to mount on standard single gang enclosure The Main Reserve Switch shall be Potter model MRS or equivalent device consists of a key operated DPDT switch and 1 green and 1 yellow LED It is mounted to a stainless steel faceplate designed to mount a single gang electrical enclosure MRS complies with the requirements of NFPA Standards Carbon Dioxide Extinguishing Systems Halon 1301 Dry Chemical Extinguishing Systems Clean Agent Fire Extinguishing Systems easy changeover between primary and reserve agent supplies uninterrupted protection is required the red and black wires of the MRS to the auxiliary 24 power of the release panel the gray wire of the MRS to the negative terminal of release circuit the yellow wire of the MRS to one side of the reserve the other side of the reserve solenoid to the black wire one EOL diode assembly the red wire of the same EOL diode assembly to the terminal on the release circuit the green wire of the MRS to one side of the main the other side of the main solenoid to the black wire of second EOL diode assembly the red wire of the same EOL diode assembly to the terminal on the release circuit the key in the Main position the green LED will be lit and the circuit will be connected to the main bank of the extinguishing Turning the key to the Reserve position turns off the green Electric Signal Company LLC St Louis MO Cust Service 866 572 3005 Tech Support 866 956 0988 Canada 888 882 1833 www pottersignal com IN USA MFG 5401220 REV B PAGE 1 OF 1