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n arc barrier equipped n high dielectric strength (2,000 vac) n long dependable service life assured by agcdo contacts n choose models with single or bifurcated contacts, led indicator, diode surge suppression, push-to-test button, or rc circuit n all models meet ul and csa approvals; vde, lr, and sev approved versions are available general purpose relay ly d v e ordering information to order: select the part number and add the desired coil voltage rating (e.g., ly1- dc6 ). part number single contact bifurcated contact standard upper lower standard upper lower contact bracket mounting mounting bracket mounting mounting type terminal form mounting bracket bracket mounting bracket bracket standard plug-in/solder spdt ly1 ly1f ly1s dpdt ly2 ly2f ly2s ly2z ly2zf ly2zs 3pdt ly3 ly3f ly3s 4pdt ly4 ly4f ly4s pcb spdt ly1-0 dpdt ly2-0 ly2z-0 3pdt ly3-0 4pdt ly4-0 led indicator plug-in/solder spdt ly1n dpdt ly2n ly2zn 3pdt ly3n 4pdt ly4n diode surge spdt ly1-d suppression dpdt ly2-d ly2z-d 3pdt ly3-d 4pdt ly4-d led indicator spdt ly1n-d2 and diode surge dpdt ly2n-d2 ly2zn-d2 suppression 4pdt ly4n-d2 rc circuit spdt ly1-cr dpdt ly2-cr ly2z-cr led indicator spdt ly1n-cr and rc circuit dpdt ly2n-cr ly2zn-cr note: 1. types with specifications other than those listed are available. contact your omron sales representative. 2. to order connecting sockets and mounting tracks, see accessories section.
2 ly ly solder wire wrap terminal terminal relay hold-down clip socket mounting plate relay socket socket standard push-to-test rc circuit mtg. plate 1 10 12 18 spdt pt08 pt08qn pyc-p pyc-p2 pyc-1 pyc-s pyp-1 C C pyp-18 dpdt 3pdt pt11 pt11qn ptp-1-3 C ptp-12 C 4pdt pt14 pt14qn ptp-1 ptp-10 C C note: 1. types with specifications other than those listed are available. contact your omron sales representative. 2. to order connecting sockets and mounting tracks, see accessories section. ordering information, continued part number single contact bifurcated contact standard upper lower standard upper lower contact bracket mounting mounting bracket mounting mounting type terminal form mounting bracket bracket mounting bracket bracket push-to-test plug-in/solder spdt ly1l4 button dpdt ly2l4 ly2zl2 3pdt ly3l4 4pdt ly4l4 led indicator and plug-in/solder dpdt ly2l4n ly2zl2n push-to-test button 4pdt ly4l4n n accessories connecting sockets to order: select the appropriate part numbers for sockets, clips, and mounting tracks (if required) from the following charts. track mounted sockets relay hold-down clip relay socket* standard rc circuit mounting track spdt ptf08a-e pyc-a1 y92h-3 pfp-100n/pfp-50n & dpdt pfp-m or pfp-100n2 3pdt ptf11a pfp-s (option spacer) 4pdt ptf14a-e * track mounted socket can be used as a front connecting socket. back connecting sockets note: types pyp-18, ptp-12 and ptp-10 may be cut to any desired length. relay hold-down clip relay pc terminal socket standard push-to-test rc circuit spdt pt08-0 pyc-p pyc-p2 pyc-1 dpdt 3pdt pt11-0 4pdt pt14-0
3 ly ly coil inductance coil (ref. value) (h) pick-up dropout maximum power rated rated current (ma) resistance armature armature voltage voltage voltage consumption voltage (v) 50 hz 60 hz ( w ) off on (% of rated voltage) (va, w) 6 214.10 183 12.20 0.04 0.08 80% max. 30% min. 110% approx. 12 106.50 91 46 0.17 0.33 1.00 to 1.20 24 53.80 46 180 0.69 1.30 (60 hz) 50 25.70 22 788 3.22 5.66 100/110 11.70/12.90 10/11 3,750 14.54 24.60 approx. 110/120 9.90/10.80 8.40/9.20 4,430 19.20 32.10 0.90 to 1.10 200/220 6.20/6.80 5.30/5.80 12,950 54.75 94.07 (60 hz) 220/240 4.80/5.30 4.20/4.60 18,790 83.50 136.40 specifications n contact data single contact bifurcated contact spdt dpdt, 3pdt, 4pdt dpdt resistive load inductive load resistive load inductive load resistive load inductive load (p.f. = 1) (p.f. = 0.4) (p.f. = 1) (p.f. = 0.4) (p.f. = 1) (p.f. = 0.4) load (l/r = 7 ms) (l/r = 7 ms) (l/r = 7 ms) rated load 15 a at 110 vac 10 a at 110 vac 10 a at 110 vac 7.5 a at 110 vac 5 a at 110 vac 4 a at 110 vac 15 a at 24 vdc 7 a at 24 vdc 10 a at 24 vdc 5 a at 24 vdc 5 a at 24 vdc 4 a at 24 vdc contact material agcdo carry current 15 a 10 a 7 a max. operating 250 vac voltage 125 vdc max. operating 15 a 10 a 7 a current max. switching 1,700 va 1,100 va 1,100 va 830 va 550 va 440 va capacity 360 w 170 w 240 w 120 w 120 w 100 w min. permissible 100 ma, 5 vdc 10 ma, 5 vdc load n coil data 1- and 2-pole types C ac note: 1. the rated current and coil resistance are measured at a coil temperature of 23 c (73 f) with tolerances of +15%, -20% for ac rated current, and 15% for dc rated coil resistance. 2. the ac coil resistance and inductance are reference values at 60 hz. 3. the performance characteristics are measured at a coil temperature of 23 c (73 f). 4. class b coil insulation is available. coil inductance coil (ref. value) (h) pick-up dropout maximum power rated resistance armature armature voltage voltage voltage consumption voltage (v) rated current (ma) ( w ) off on (% of rated voltage) (va, w) 6 150 40 0.16 0.33 80% max. 10% min. 110% approx. 12 75 160 0.73 1.37 0.90 24 36.90 650 3.20 5.72 48 18.50 2,600 10.60 21 100/110 9.10/10 11,000 45.60 86.20 1- and 2-pole types C dc
4 ly ly coil inductance coil (ref. value) (h) pick-up dropout maximum power rated rated current (ma) resistance armature armature voltage voltage voltage consumption voltage (v) 50 hz 60 hz ( w ) off on (% of rated voltage) (va, w) 6 310 270 6.70 0.03 0.05 80% max. 30% min. 110% approx. 12 159 134 24 0.12 0.21 1.60 to 2.00 24 80 67 100 0.44 0.79 (60 hz) 50 38 33 410 2.24 3.87 100/110 15.90/18.30 13.60/15.60 2,300 10.50 18.50 120 17.30 14.8 2,450 11.50 20.60 200/220 10.50/11.60 9.00/9.90 8,650 34.80 59.50 240 9.40 8 10,400 38.60 74.60 n coil data(continued) 3-pole type C ac 3-pole type C dc coil inductance coil (ref. value) (h) pick-up dropout maximum power rated resistance armature armature voltage voltage voltage consumption voltage (v) rated current (ma) ( w ) off on (% of rated voltage) (va, w) 6 234 25.70 0.11 0.21 80% max. 10% min. 110% approx. 12 112 107 0.45 0.98 1.40 24 58.60 410 1.89 3.87 48 28.20 1,700 8.53 13.90 100/110 12.70/13 8,500 29.60 54.30 coil inductance coil (ref. value) (h) pick-up dropout maximum power rated rated current (ma) resistance armature armature voltage voltage voltage consumption voltage (v) 50 hz 60 hz ( w ) off on (% of rated voltage) (va, w) 6 386 330 5 0.02 0.04 80% max. 30% min. 110% approx. 12 199 170 20 0.10 0.17 1.95 to 2.50 24 93.60 80 78 0.38 0.67 (60 hz) 50 46.80 40 350 1.74 2.88 100/110 22.50/25.50 19/21.80 1,800 10.50 17.30 120 19.00 16.40 2,200 9.30 19 200/220 11.50/13.10 9.80/11.20 6,700 33.10 57.90 240 11.00 9.50 9,000 33.20 63.40 4-pole type C ac 4-pole type C dc coil inductance coil (ref. value) (h) pick-up dropout maximum power rated resistance armature armature voltage voltage voltage consumption voltage (v) rated current (ma) ( w ) off on (% of rated voltage) (va, w) 6 240 25 0.09 0.21 80% max. 10% min. 110% approx. 12 120 100 0.39 0.84 1.50 24 69 350 1.41 2.91 48 30 1,600 6.39 13.60 100/110 15/15.90 6,900 32 63.70 note: 1. the rated current and coil resistance are measured at a coil temperature of 23 c (73 f) with tolerances of +15%, -20% for ac rated current, and 15% for dc rated coil resistance. 2. the ac coil resistance and inductance are reference values at 60 hz. 3. the performance characteristics are measured at a coil temperature of 23 c (73 f). 4. class b coil insulation is available.
5 ly ly n characteristics contact resistance 50 m w max. operate time 25 ms max. release time 25 ms max. operating frequency mechanically 18,000 operations/hour under rated load 1,800 operations/hour insulation resistance 100 m w min. (at 500 vdc) dielectric strength 2,000 vac, 50/60 hz for 1 minute 1,000 vac, 50/60 hz for 1 minute between contacts of same polarity vibration mechanical durability 10 to 55 hz, 1.00 mm (0.04 in) double amplitude malfunction durability 10 to 55 hz, 1.00 mm (0.04 in) double amplitude shock mechanical durability 1,000 m/s 2 (approx. 100 g) malfunction durability 200 m/s 2 (approx. 20 g) ambient temperature operating -40 to 70 c (-40 to 158 f) humidity 35 to 85% rh service life mechanically ac: 50 million operations min. (at operating frequency of 18,000 operations/hour) dc: 100 million operations min. (at operating frequency of 18,000 operations/hour) electrically see characteristic data weight spdt, dpdt: approx. 40 g (1.41 oz), 3pdt: approx. 50 g (1.76 oz) 4pdt: approx. 70 g (2.47 oz) note: data shown are of initial value. n characteristic data maximum switching capacity ly1 ly2 ly3, ly4 ly2z electrical service life ly1 ly2 ly3, ly4 ly2z rated operating current (a) rated operating current (a) rated operating current (a) rated operating current (a) rated operating voltage (v) rated operating voltage (v) rated operating voltage (v) rated operating voltage (v) service life (operations x 10 6 ) service life (operations x 10 6 ) service life (operations x 10 6 ) service life (operations x 10 6 ) rated operating current (a) rated operating current (a) rated operating current (a) rated operating current (a)
6 ly ly ly1 terminal ly2 terminal arrangement arrangement (bottom view) (bottom view) dimensions unit: mm (inch) ly3 terminal ly4 terminal arrangement arrangement (bottom view) (bottom view) ly1-0, ly2-0, ly3-0, ly4-0 mounting holes for ly1-0, ly2-0, ly3-0, ly4-0 (bottom view) note: the above drawing shows ly2-0. with ly1-0, spdt dpdt 3pdt 4pdt dimension " * " should read as 6.35 (.25). ly1f, ly2f mounting ly3f mounting holes holes note: the above drawing shows ly1f. with ly2f, dimension * should read as eight 3.05 mm (0.12 in) dia. holes. n relays
7 ly ly ly4f mounting holes ly1s, ly2s round hole rectangular hole note: the above drawing shows ly2s-us. with ly1s-us, dimension * should read as eight 2.03 mm (0.08 in) dia. holes. ly3s round hole rectangular hole ly4s round hole rectangular hole
8 ly ly n accessories unit: mm (inch) track mounted sockets (ul file no. e87929) (csa report no. lr31928) ptf08a-e terminal arrangement/ ptf11a terminal arrangement/ mounting holes mounting holes (top view) (top view) track mounting sockets (ul file no. e87929) (csa report no. lr31928) ptf14a-e terminal arrangement/ mounting height of mounting holes relay with socket (top view) (applies to all ptf n n a sockets) note: 1. ul/csa does not apply to wire wrap (q) type sockets. 2. values in brackets for ly n n cr. back connecting socket (ul file no. e87929) (csa report no. lr31928) pt08 terminal arrangement pt11 t erminal arrangement (bottom view) (bottom view)
9 ly ly back connecting socket (ul file no. e87929) (csa report no. lr31928) pt08qn pt11qn pt14qn panel cut-out and terminal panel cut-out and terminal panel cut-out and terminal arrangement are the same arrangement are the same arrangement are the same as type pt08. as type pt11. as type pt14. back connecting socket (ul file no. e87929) (csa report no. lr31928) pt08-0 mounting holes pt11-0 mounting holes terminal arrangement is (bottom view) terminal arrangement is (bottom view) the same as type pt08. the same as type pt11. back connecting socket (ul file no. e87929) (csa report no. lr31928) pt14-0 mounting holes terminal arrangement is (bottom view) the same as type pt14. back connecting socket (ul file no. e87929) (csa report no. lr31928) pt14 terminal arrangement mounting height of relay with socket (bottom view) (applies to all pt sockets) note: values in brackets for ly n n cr. pt
10 ly ly relay hold-down clips pyc-a1 pyc-s pyc-p for ptf n n a socket for relay mounting plates for pt n n socket (applicable to type pyp-1 and pyp-18 socket mounting plates only.) n accessories (continued) unit: mm (inch) relay hold-down clips pyc-p2 y92h-3 pyc-1 for push-to-test button type with for rc circuit type for rc circuit type pt n n socket mounting track/end plate/spacer pfp-100n/pfp-50n mounting track pfp-m end plate
11 ly ly socket mounting plates [t=1.52 (.06)] pyp-1 ptp-1-3 ptp-1 pyp-18 ptp-10 ptp-12 pfp-100n2 mounting track pfp-s spacer * this dimension is 14.99 mm (0.59 in) on both ends in the case of pfp-100n, but on one end in the case of pfp-50n. ** l = length pfp-50n ............... l = 497.84 mm (19.60 in) pfp-100n ............... l = 990.60 mm (39.00 in) pfp-100n2 ............... l = 990.60 mm (39.00 in) *** a total of twelve 24.89 x 4.57 mm (0.98 x 0.18 in) elliptic holes are provided, with six holes cut from each end of the trac k at a pitch of 9.91 (0.39) between holes. number of socket specs. socket needed 1 10 12 18 pt08, pt08qn pyp-1 C C pyp-18 pt11, pt11qn ptp-1-3 C ptp-1-2 _ pt14, pt14qn ptp-1 ptp-10 C C
12 ly ly n relay options led indicator specifications and dimensions same as the standard type with the following exception. with the led indicator type, the rated cu rrent is approximately 0 to 5.0 ma higher than the standard type. terminal arrangement/internal connections (bottom view) ly2n dc coil rating type ac coil rating type note: 1. the coil terminals 10 and 11 of type ly3n become (-) and (+) and terminals 13 and 14 of type ly4n become (-) and (+), respectively. 2. pay special attention to the polarities when using the dc type. diode surge suppression specifications and dimensions same as the standard type with the following exception. ambient operating temperature: -25 to 40 c (-13 to 104 f) without diode with diode terminal arrangement/internal connections (bottom view) ly2(n)-d(2) ly2-d ly2n-d2 ly2n-d2 6, 12, 24, 48 6, 12, 24, 48 vdc 100/110 vdc 100/110 vdc note: 1. pay special attention to the polarities when using the dc type. 2. the release time is somewhat longer, but satisfies the standard specifications of 25 ms. 3. the reverse-breakdown voltage of the diode is 1,000 vdc. 4. available on dc versions only.
13 ly ly n relay options rc circuit specifications and dimensions same as the standard type with the following exceptions. characteristic data without rc circuit with rc circuit note: 1. the above drawing shows ly2(z)-cr. with ly1-cr, * should read eight 2.03 mm (0.08 in) dia. holes. 2. available on ac versions only. ly1-cr, ly2(z)-cr terminal arrangement/internal connections (bottom view) ly1-cr ly2(z)-cr push-to-test button specifications and dimensions same as the standard type with the following exceptions. ly n n 12 ly112, ly212 note: type ly112 has the same dimensions and appearances as type ly212 shown except that dimension * is 2.03 mm (0.08 in) dia. holes ly312 ly412
14 ly ly type contact form coil ratings contact ratings ly n n spdt 6 to 240 vac 15 a, 240 vac (inductive) 6 to 120 vdc 15 a, 28 vdc (resistive) tv-5 (actv) 1/2 hp, 120 vac (motor) ly n n dpdt 13 a, 120 vac (resistive) 12 a, 240 vac (inductive) 10 a, 28 vdc (resistive) tv-3 (actv) 1/2 hp, 120 vac (motor) ly n n 3pdt 10 a, 240 vac (inductive) 4pdt 10 a, 28 vdc (resistive) 1/2 hp, 240 vac (motor) n approvals ul recognized type (file no. e41643) note: 1. the rated values approved by each of the safety standards (e.g., ul, csa, vde, and sev) may be different from the perfor mance characteristics individually defined in this catalog. 2. in the interest of product improvement, specifications are subject to change. type contact form coil ratings contact ratings ly n n spdt 6 to 240 vac 15 a, 120 vac (inductive) 6 to 120 vdc 10 a, 240 vac (inductive) 15 a, 28 vdc (resistive) tv-5 (actv) ly n n dpdt 13 a, 28 vdc (resistive) 12 a, 120 vac (inductive) 10 a, 240 vac (inductive) 1/3 hp, 120 vac (motor) tv-3 (actv) ly n n 3pdt 10 a, 240 vac (inductive) 4pdt 10 a, 28 vdc (resistive) csa certified type (file no. lr31928) type contact form coil ratings contact ratings ly n n -vd spdt 6, 12, 24, 50, 10 a, 220 vac (resistive) 110, 220 vac 10 a, 28 vdc (resistive) and 6, 12, 24, 7 a, 220 vac (inductive) 48, 110 vdc 7 a, 28 vdc (inductive) ly n n -vd dpdt 7 a, 220 vac (resistive) 3pdt 7 a, 28 vdc (resistive) 4pdt 4 a, 220 vac (inductive) 4 a, 28 vdc (inductive) vde approved type (file no. 9903 [spdt, dpdt & 3pdt], file no. 9947 [4pdt]) type contact form coil ratings contact ratings ly n n dpdt 6 to 240 vac 7.5 a, 230 vac (inductive) 4pdt 6 to 110 vdc 5 a, 24 vdc (inductive) lr (lloyd's register) approved type (file no. 562kob-204523) type contact form coil ratings contact ratings ly n n -sv spdt 6 to 240 vac 15 a, 220 vac (resistive) 6 to 110 vdc 15 a, 24 vdc (resistive) ly n n -sv dpdt 10 a, 220 vac (resistive) 3pdt 10 a, 24 vdc (resistive) 4pdt sev listed type (file no. d7 91/82 [2- & 4-pole], d 91/204a [1- & 3-pole])
15 ly ly omron electronics, inc. omron canada, inc. one east commerce drive 885 milner avenue schaumburg, il 60173 scarborough, ontario m1b 5v8 1-800-55-omron 416-286-6465 cat. no. gc rly6 9/97 specifications subject to change without notice. printed in the u.s.a.

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