? 2002 teledyne relays (800) 284-7007 ? www.teledynerelays.com epc 1 epc\072002\q1 up to 110a 460 vac phase angle controller features/benefits ? external phase angle adjust ? designed for all loads ? excellent thermal performance ? internal output protection ? proportional control with voltage or current input. description the series epc phase angle controller has an analog input isolated from the mains to vary the phase angle proportionally to the input and load voltage. the epc phase angle controller is designed mainly for resistive loads. the epc may be used with inductive loads, but with limitations. it provides internal protection from load transients. the conduction level is controlled by the input. the series epc provides an external adjust that allows the user to modify the cycle time for any particular application. applications ? lighting control (light dimming) ? single-phase motors ? heating control (regulation) part number description epc24n10a 10a, 265 vac EPC24N40A 40a, 265 vac epc24n40r 40a, 265 vac epc46n70a 70a, 460 vac epc46n110a 110a, 460 vac part number explanation new series epc notes 1) line voltage (nominal): 24 = 240 vac; 46 = 460 vac 2) switch type: n = phase angle control 3) control range: a = 0-10 vdc; r = 4-20 madc mechanical specification figure 1 C epc relays; dimensions in inches (mm) epc 24 n 10 a typical application figure 2 C epc relays 1.55 (39.5) 2.89 (73.5) 1.57 (40) 3.58 (91) 3.94 (100) 3.26 (82.7) .17 (4.4) weight: 14.46 oz. (410g) cycle time l oad l1 l2 cycle time adjust power supply + C
epc 2 specifications are subject to change without notice ? 2002 teledyne relays epc\072002\q1 output (load) specification min max unit operating range epc24 115 265 vrms epc46 200 460 vrms peak voltage (clamping voltage) epc24 600 (450) vpeak epc46 1200 (800) vpeak internal circuit consumption epc24 7 marms epc46 4 marms load current range (see figure 8) epc24n10a .01 10 arms EPC24N40A .01 40 arms epc24n40r .01 40 arms epc46n70a .01 70 arms epc46n110a .01 110 arms series epc input (control) specification min max units control voltage range epcxxnxxa 0 10 v epc24n40r 1 5 v control current range epc24n40r 5.5 20 madc must turn-off voltage epcxxnxxa 0.2 v must turn-off current epc24n40r 4 ma input resistance (typical) epcxxnxxa 400 2% ohms epc24n40r 0.25 ohms min max unit maximum surge current rating (non-repetitive, see figure 9) epc24n10a 120 a EPC24N40A 550 a epc24n40r 550 a epc46n70a 1000 a epc46n110a 2000 a on-state voltage drop all relays 1.6 v off-state leakage current epc24n10a 4 marms EPC24N40A 4 marms epc24n40r 4 marms epc46n70a 5 marms epc46n110a 5 marms t urn-on time all relays (60 hz) 8.3 ms t urn-off time all relays 41.5 ms operating frequency (trimmer must be adjusted) all relays 47 100 hz off-state dv/dt (non-repetitive) all relays 500 v/ s i 2 t for match fusing (<8.3ms) epc24n10a 72 a 2 s EPC24N40A 1500 a 2 s epc24n40r 1500 a 2 s epc46n70a 5000 a 2 s epc46n110a 20,000 a 2 s output (load) specification (continued)
? 2002 teledyne relays (800) 284-7007 ? www.teledynerelays.com epc 3 epc\072002\q1 series epc environmental specification min max unit storage temperature C40 85 c operating temperature C40 85 c junction temperature C40 125 c junction/case thermal resistance epc24n10a 2.7 c/w EPC24N40A 1.1 c/w epc24n40r 1.1 c/w epc46n70a 0.43 c/w epc46n110a 0.35 c/w input-output isolation 8 pf shock (@11ms) 100 g v ibrations (10 to 4000hz) 50 g setting position of the integrated trimmer: 180? setting position of the integrated trimmer: 90? external phase angle adjust figure 4 C epc relays all relays 2500 vrms output-case isolation @500m epc24n10a 2500 vrms all relays 3300 vrms rated impulse voltage epc24n10a 2500 v all relays 4000 v input-output isolation @500m equivalent circuit figure 3 C epc relays transformer n p + - photocoupler supply synchro + - led load analog input +8v external setting of the synchronization ramp versus main voltage mains ramp analog input tr full cycle half cycle 0ms 100% 50% 25% 0% 75% u load / u mains rms resistive load voltage versus delay time control rms inductive load voltage versus delay time control firing delay time load voltage resistive load load current tr tr inductive load firing delay time load voltage load current principle of phase angle control: input/output transfer characteristics figure 5 C epc relays
epc 4 specifications are subject to change without notice ? 2002 teledyne relays epc\072002\q1 series epc firing delay time analog input voltage 0v -> epcxxxxxa 10v 8.4ms 4.2ms 0ms load voltage 1 5 2 3 4 firing delay time 10ms 5ms 0ms 20ma 1 3 load voltage 5.5ma -> epc24n40r 2 4 5 0ma analog input voltage 1. factory presetting to 144 10% (@50hz)of the initial maximum firing delay angle. it can be modified by using the external phase angle adjust. a variation in the load voltage causes a small decrease of this angle. for 60hz see item 4. 2. full conduction mode voltage: control voltage = 10 vdc (+0; C5%) 3. factory presetting to 0.2 vdc 0.1v of the minimum control input voltage. below 0.2vdc, the relay is off; above 0.2vdc, the relay is on at a firing delay angle that depends on the external phase angle adjust. 4. possible presetting zone by using the external phase angle adjust. 5. firing delay angle limit: 170 (0; +5%); conditions: epc24 @ 135 vac, epc46 @ 240vac input/output transfer characteristics figure 6a C epcxxnxxa figure 6b C epc24n40r 1. factory presetting to 170 10% (@50hz)of the initial maximum firing delay angle. it can be modified by using the external phase angle adjust. a variation in load voltage causes a small decrease of this angle. for 60hz see item 4. 2. full conduction mode voltage: 20 ma (+0; C10%) 3. factory presetting to 5.5 ma (+10%; C0) of the minimum control input current. 4. possible presetting zone by using the external phase angle adjust. 5. firing delay angle limit: 170 (0; +5%); conditions: @135 vac; control input = 5.5 ma. load c1 l filter c1 type : x 2 relay l c2 m c1 c0 c0 filter 2 1 filter 1 comprised of c1 and motor inductance usually c0 = 2.2nf max y type filter 1 p n relay typical filter examples figure 7a C low currents figure 7b C high currents, filters in series
? 2002 teledyne relays (800) 284-7007 ? www.teledynerelays.com epc 5 epc\072002\q1 series epc thermal characteristics figure 8a C epc24n10a tcase max (?c) 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 10 0 1 10 20 30 40 50 60 70 80 90100 110 1 25 9 8 7 6 5 4 3 2 1 0 85 240vac 440vac 87.5 90c 2 c/w 4 c /w without heat sink 5 c/w 0 c/w ambient temperature (c) rms load current (a) power dissipation (w) 0 1 10 20 30 40 50 60 70 80 90100110 1 25 tcase max (c) 0 5 0 5 10 15 20 25 30 35 40 10 15 20 25 30 35 40 45 50 55 60 85 75 65 90c 0.4 c/w 0.9 c/w 1 c/w 1.5 c/w 2 c/w 4 c/w without heat sink 0 c/w 1.2 c/w 0.7 c/w ambient temperature (c) rms load current (a) power dissipation (w) 10 20 30 50 60 10 20 30 40 50 0 0 0 10 20 30 40 50 60 70 80 90 100 90c max. case temperature ( c) 60 70 80 90 100 110 120 70 100 40 80 90 110 85 1.2 c/w 0.75 c/w 0.2 c/w 2 c/w 0.1 c/w 0.9 c/w 0.55 /w 0 c/w without heat sink ambient temperature (c) rms load current (a) power dissipation (w) 110a 70a non-repetitive repetitive with initial tj = 70?c 0 50 100 150 apeak 110 0.1 0.01 t (s) 200 400 600 0 non-repetitive repetitive with initial tj = 70c apeak 110 0.1 0.01 t (s) 500 1000 1500 0 non-repetitive repetitive with initial tj = 70c apeak 110 0.1 0.01 t (s) 0 500 1000 1500 2000 non-repetitive repetitive with initial tj = 70c apeak 110 0.1 0.01 t (s) surge current figure 8b C EPC24N40A, epc24n40r figure 8c C epc46n70a, epc46n110a figure 9a C epc24n10a figure 9b C EPC24N40A, epc24n40r figure 9c C epc46n70a figure 9d C epc46n110a notes: 1. electrical specifications at 25 c unless otherwise specified. 2. phase cutting generates rfi. filters are recommended. 3. for inductive loads, contact factory.
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