sla series 800.727.5646 atcdiversified.com diversified electronics p h a s e v o l t a g e m o n i t o r s / / s l a s e r i e s 215 p h a s e m o n i t o r s the atc diversified sla series is designed to protect 3-phase equipment against phase loss, under voltage, and phase reversal c onditions. with normal operating voltages applied in the proper abc sequence, the i nternal relay will energize (pick-up). when incorrect phase sequence or phase loss occurs or the three-phase voltages fall below the drop out voltages, the relay will de-energize (drop-out). on models featuring i ndicators, the led glows when all line conditions are normal. both delta and wye systems may be monitored. in wye systems, connec- t ions to neutral are not required. for ul listed units, with field wiring terminals, copper wire with 60 75 rating must be used for control circuitry connections. note: when a phase is lost while the motor is running, a condition known as regeneration occurs where a voltage is induced into the open phase nearly equal in magnitude to the normal phase-to-phase voltage. however, with the exception of lightly loaded motors, enough change is detected by the sla to pro- vide the required protection when properly adjusted. style \\\ specifications drop-out voltage 1 ? low 83% of nominal 3 ? low 90% of nominal response times style ? ? models up to 300 vac operate 250 msec release 0.5 sec models over 300 vac operate 1.0 sec release 2.0 sec response times style operate 60 msec release 0.5 sec power required style 3 va (approx.) style models up to 300 vac: 3 va (max.) models over 300 vac: 7 va (max.) models over 500 vac: 3 va (max.) style 3 va (max.) operating voltage see ordering information reset automatic (manual optional) indicator led glows when all conditions are normal (on applicable models) output rating spdt (style ?nd ?? dpdt (style ? phase sequence abc (will not operate cba) temperature rating operate 32to +131?(0?t +55?) storage -49to 185?(-4-?t +85?) u.s. patent number 3,611,050 weight style net: 2.24 oz shipping: 2.56 oz style net: 4.8 oz shipping: 5.76 oz style net: 5.3 oz shipping: 5.6 oz ? air handlers ? computer power protection ? conveyor drive ? water waste & sewage machinery ? oil & gas pumps ? sawmill & woodpump machinery ? power substation ? automatic transfer switching for monitoring emergency power supplies ? irrigation pumps ? lift station pumps ? robotics equipment ? elevator drives ? commercial/industrial air conditioning & refrigeration compressors model numbe r >>>>>> sla a operating voltage f a r see ordering information type of operation fixed lock shaft adjusted l screwdriver adjusted s enclosure style octal plug-in, dust cover blade plug-in, dust cover b surface mounted, #8 screw terminals e surface mounted, 1/4" quick disconnect terminals n options add r suffix when manual reset is required, (available only in style ?nclosure) plug-in models are ul listed only when used with rb-08 relay socket. u style style ? available up to 480 vac ? delta or wye systems ? fixed, lock shaft, or screwdriver adjustment ? several enclosure styles protects 3-phase equipment against: ? phase loss ? under voltage ? phase reversal typical applications:
sla series diversified electronics atcdiversified.com 800.727.5646 216 p h a s e v o l t a g e m o n i t o r s / / s l a s e r i e s figure 1 rb-08 or ot-08 figure 2 rb-11 figure 3 70-463-1 \\\ dimensions (inches) \\\ wiring style style style style style style style figure 4 figure 5 style for ul listed units, copper wire with 6075?rating m ust be used for control circuitry connections. style style 2.375" 1.75" style b 2.375" 1.75" style b
sla series 800.727.5646 atcdiversified.com diversified electronics phase voltage monitors // sla series 217 model number operating voltage type of adjustment drop-out voltage agency approval output ratings 1 ? low 3 ? low sla-120-ala 95-130 adj lock shaft 79-108 85-117 dpdt, 345 va inductive; 10 amps resistive @ 240 vac. figure 2 sla-120-asa screwdriver spdt, 345 va inductive; 10 amps resistive @ 240 vac, figure 1 sla-120-asb spdt, 345 va inductive; 10 amps resistive @ 240 vac, figure 3 sla-230-ala 190-270 adj. lock shaft 158-224 171-243 dpdt, 345 va inductive; 10 amps resistive @ 240 vac, figure 2 sla-230-asa screwdriver spdt, 345 va inductive; 10 amps resistive @ 240 vac, figure 1 sla-230-asb spdt, 345 va inductive; 10 amps resistive @ 240 vac, figure 3 sla-380-asa 350-440 adj. 290-365 315-396 spdt, 360 va inductive; 10 amps resistive @ 240 vac, figure 1 sla-440-asa 430-480 adj. 357-398 387-432 sua-120-ala 95-130 adj. lock shaft 79-108 85-117 spdt, 345 va inductive; 10 amps resistive @ 240 vac, figure 1 sua-120-alau* sua-230-ala 190-270 adj. 158-224 171-243 sua-230-alau* sua-380-asa 350-440 adj. screwdriver 290-365 315-396 spdt, 360 va inductive; 10 amps resistive @ 240 vac, figure 1 sua-440-asa 430-480 adj. 357-398 387-432 *ul listed only when used with rb-08 relay socket; 5 amps resistive @ 240 vac. all voltages referenced on this page are phase-to-phase. models also available with fixed operating voltages. consult factory. model number operating voltage drop-out voltage reset agency approval output ratings 1 ? low 3 ? low sla-120-ale 95-130 adj. 79-108 85-117 automatic dpdt, 211 va inductive; 10 amps resistive @ 120 vac. figure 4 sla-120-aler manual dpdt, 211 va inductive; 10 amps resistive @ 120 vac. figure 4 sla-230-ale 190-270 adj. 158-224 171-243 automatic dpdt, 345 va inductive; 5 amps resistive @ 240 vac. figure 4 sla-230-aler manual dpdt, 345 va inductive; 5 amps resistive @ 240 vac. figure 4 sla-380-ale 350-440 adj. 290-365 315-396 automatic dpdt, 360 va inductive; 3 amps resistive @ 600 vac. figure 4 sla-380-aler manual spdt, 360 va inductive; 3 amps resistive @ 600 vac. figure 5 sla-440-ale 430-480 adj. 357-398 387-432 automatic dpdt, 360 va inductive; 3 amps resistive @ 600 vac. figure 4 sla-440-aler manual spdt, 360 va inductive; 3 amps resistive @ 600 vac. figure 5 sla-575-ale 525-625 adj. 436-519 473-563 automatic dpdt, 360 va inductive; 3 amps resistive @ 600 vac. figure 4 all voltage referenced are phase-to-phase.odels also available with fixed operating voltages. consult factory. model number operating voltage type of operation drop-out voltage agency approval 1 ? low 3 ? low SLA-120-AFN 120 fixed 100 108 sla-208-afn 208 fixed 173 187 sla-220-afn 220 fixed 183 198 sla-240-afn 240 fixed 199 216 all voltage referenced are phase-to-phase. style a plug-in style e surface mounted enclosure style n epoxy encapsulated \\\ ordering information
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