mcbc series ? microprocessor based burst-fire controller / ssr ? ratings from 25a to 90a @ 48-530 vac ? low-voltage, current, or potentiometer control ? output status indicator ? separate output enable / disable control ? two time-base periods available ? for use with resistive loads only product selection line voltage 25 a 50 a 90 a 40-140 vac mcbc1225 mcbc1250 mcbc1290 180-280 vac mcbc2425 mcbc2450 mcbc2490 300-530 vac mcbc4825 mcbc4850 mcbc4890 available options output specifications (voltage) description 120 vac 240 vac 480 vac operating voltage (47-63hz) [vrms] 48-140 180-280 300-530 transient overvoltage [vpk] 400 600 1200 maximum off-state leakage current @ rated voltage [marms] 5 7 12 minimum off-state dv/dt @ maximum rated voltage [v/sec] (2) 200 200 200 output specifications (current) description 25 a 50 a 90 a maximum load current (3) [arms] 25 50 90 minimum load current [marms] 150 150 150 maximum surge current (16.6ms) [apk] 250 625 1200 maximum on-state voltage drop @ rated current [vpk] 1.6 1.6 1.6 thermal resistance juncti on to case (rjc) [c/w] 1.02 0.63 0.28 maximum i2 t for fusing (8.3 msec) [a2sec] 260 1620 6000 minimum power factor (with maximum load) 0.5 0.5 0.5
input specifications (1) description dc control control voltage range (vdc) 8-32 input current range [ma] [p1] 28-30 nominal input impedance [ohms] [p3] 30k control must operate voltage "on"[vdc][p3] 5-32 control must release voltage "off" [vdc][p3] 0-4 control input cu rrent [ma][p3] 0-1.25 plv range option a [vdc][p4] (2) 0-5 plv range option b [vdc][p4] (2) 0-7 plv range option c [vdc][p4] (2) 0-10 plv range option d [vdc][p4] (2) 4-20 nominal input impedance option a,b,c[ohms][p4] 20k nominal input impedance option d [ohms][p4] 220 output status functions conditions led initial logic supply on flash once load voltage missing / load open (w/control disabled) flash once intermittenly load voltage missing / load open (w/control enabled)) flash twice intermittently analog input < threshold off analog input < threshold < max varying brightness analog input > max on, bright general specifications description parameters dielectric strength, input/output/base (50/60hz) 4000 vrms minimum insulation resistance (@ 500 v dc) 10 9 ohm maximum capacitance, input/output 10 pf ambient operating temperature range -20 to 80c ambient storage temperature range -40 to 125 c weight (typical) 3.0 oz (86.5g) encapsulation thermally conductive epoxy terminals-power screws and saddle clamps furnished, unmounted terminals-control barrier strip screw terminals recommended terminal screw torque range: 8-32 screws -20 in. lbs.(screws dry without grase) general notes 1) voltages are reference to gnd (ground = 0 vdc) p2 2) plvi voltage can go up to max. supply voltage without damage
mechanical specifications thermal derate information
wiring diagram output vs analog in put signal curves agency approvals ul e116949 rev. 032111
annex - enviromental information
|
