ametek national controls corp. ? 1725 western drive ? west chicago, illinois 60185 ? tel: 800-323-2593 ? 630-231-5900 ? fax: 630-231-1377 ? www.nationalcontrols.com 5-2 solid state relays solid state power relays model r2025 features csa certified file #lr701222 100% functionally and surge tested 24 to 330 vac load voltage 4000 v isolation optically coupled epoxy filled capable of being switched by a single cmos gate built in snubber capable of switching inductive loads of 0.5 power factor ul recognized component file #e164906 the ametek ncc series of solid state power relays provide a highly reliable means of switching a variety of ac loads up to 20 a. snubber circuitry is included with each unit for high dv/dt applications and inductive loads. use of rugged output devices provides significant increases in turn-on surge capa - bility. two input control voltage ranges are available in either form a (spst-no) or form b (spst-nc) output configurations. ordering information input voltage output configuration part number 3 to 30 vac/dc normally open, 25 a snc-r2025-507 7 to 140 vac normally open, 25 a snc-r2025-501 3 to 30 vac/dc normally closed, 25 a SNC-R2025-517 7 to 140 vac normally closed, 25 a snc-r2025-511 accessory part number heatsink, .9 c/w, supplied with thermal compound and mounting hardware asy-hs25a-011 specifications all models max. load current*: 25 a max. peak transient voltage: 600 vpk output voltage range: 48-300 vac max. off state leakage current: 7.2 ma at 300 vac (rms) operating temp. range: -40 to 80 c storage temp. range: -40 to 65 c dielectric strength at 60 hz between input/output: 4000 vac (rms) between input/base: 2500 vac (rms) between output/base: 2500 vac (rms) max. surge current: 370 arms, 8.3 ms min. off state dv/dt (static): 500 v/s thermal resistance junction to case (point a): 1.3c/w tj max.=110 c turn on type: random snc-r2025-507 and SNC-R2025-517 max. on state voltage drop: 1.5 vac (rms) input impedance: 1700 ohms 5% turn off voltage: 2 vac/dc min. turn on voltage: 3 vac/dc max. output form: snc-r2025-507: spst-no SNC-R2025-517: spst-nc control voltage range: 3-30 vac/dc snc-r2025-501 and snc-r2025-511 max. on state voltage drop: 1.65 vac (rms) input impedance: 56 kohms 5% turn off voltage: 30 vac/dc min. turn on voltage: 70 vac/dc max. output form: snc-r2025-501: spst-no snc-r2025-511: spst-nc control voltage range: 70-140 vac/dc * see derating curves for proper heat sink requirements point a 1.10 1.75 1.875 .1 9 .5 3 1.00 1.70 .3 0 2.25 (57.1) (47.6) (43.2) (4.9 ) (7.6 ) (44.5) (27.9) (13.5) (25.4) .5 0 .5 5 .7 7 1.0 ma x mounting surface #8-32 2 plcs #6-32 2 plcs .187 dia. 2 plcs .25 r 2 plcs .1 2 (25.4) 24-330 vac input solid state 3-32 vdc output snc-r2040-502 (- ) corporatio n national control s 4 line 1 3 ( +) model no: relay 2 load 40 amp with heatsink normally open r point a 8-32 thrd with saddle clam p 6-32 thrd w/ saddl e clam p
5-3 ametek national controls corp. ? 1725 western drive ? west chicago, illinois 60185 ? tel: 800-323-2593 ? 630-231-5900 ? fax: 630-231-1377 ? www.nationalcontrols.com solid state relays .625 typ 1.875 .093 .187 typ .312 typ 2.375 4.75 3.935 2.155 2.625 .40 typ 5.625 C .031 1.875 C .031 .187 di a 4.312 2.156 5 1 0 1 5 2 0 2 5 40 60 80 max. allowable mounting surface temp. (c) (measured at point a) load current (amps rms 60hz) 20 15 10 5 70 60 50 40 30 20 80 25 ambient temp. (c ) load current (amps rms) no heat sin k (free a ir) 15"x15"(450 sq. in.) h eat sin k 0 0 20 10"x10"(200 sq. i n.) heat sink 6"x6 "(72 sq. in.) heat sink 0 heat sink data heat sinks for derating curves are 1/8 thick aluminum with thermal compound between the mounting surface and solid state relay mounting plate.
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