phone (707) 996-5201 | fax (707) 996-3380 | www.worldproducts.com industrial relay catalog | 57 industrial relays features 1. max. switching capacity up to 30/40a. 2. high load current is available. 3. pcb mounting or quick connect terminals. 4. 1 form a, 1 form c and 1 form u arrangements. 5. optional metal bracket. 6. sealed type relay. mb series coil type coil nominal voltage (v) coil resistance ( ? 10% ) pick-up voltage (v) drop-out voltage (v) nominal current (ma) dc standard coils 6 22.5 3.6 0.6 267 12 90 7.2 1.2 133 24 360 14.4 2.4 67 * max continuous voltage at 20c: 110% of coil nominal voltage. coil ratings (at 20c) rh1.0 050806 ordering information mb 1 c - 12 s p m d a (1) (2) (3) (4) (5) (6) (7) (8) (1) basic designation mb = mb series (2) contact arrangement 1a = 1 form a (spst-no) 1c = 1 form c (spdt) 1u = 1 form u (spst-no, no with 2 terminals) (3) coil voltage 6~24v (4) enclosure nil = unsealed type s = sealed type (5) terminal type nil = plug-in p = pcb (6) cover type nil = standard cover m = with mounting bracket (7) options nil = standard r = coil with resistance d = coil with diode (8) contact rating nil = 30a a = 40a h1 = no: 60a, nc: 40a contact ratings contact arrangement 1 form a (spst-no) 1 form c (spdt) 1 form u (spst-no, no with 2 terminals) max. switching power 480w 480w 480w mac. switching voltage 12vdc 12vdc 12vdc max. switching current 40a 40a 40a contact resistance < 50m ? < 50m ? < 50m ? rating load contact rating 30a- 30a 12vdc contact rating 40a- 40a 12vdc contact rating 30a- no: 30a 12 vdc nc: 20a 12vdc contact rating 40a- no: 40a 12vdc nc: 30a 12vdc contact rating 30a- 30a 12vdc contact rating 40a- 40a 12vdc contact material silver alloy silver alloy silver alloy characteristics electrical life 1 x 10 5 mechanical life 1 x 10 7 initial insulation resis - tance > 100m ? 500vdc contact resistance 50m ? operate time 10ms release time 10ms initial dielectric strength 50/60hz 500vac 1 min. (be - tween open contact) 50/60hz 500vac 1 min. (be - tween all conductors) vibration resistance malfunction: 10 to 40hz at double amplitude of 1.27mm destructive: 10 to 40hz at double amplitude of 1.27mm shock resistance malfunction: 10g(11ms) destructive: 100g(6ms) ambient temperature -40c ~ +85c relative humidity 85% at 40c unit weight approx. 30g
phone (707) 996-5201 | fax (707) 996-3380 | www.worldproducts.com 58 | industrial relay catalog reference data mb series schematics (bottom view) 1a 1c 1u 86 30 85 87a 87 85 86 86 30 85 87a 87 30 87a 87 1a (coil with diode) 1c (coil with diode) 1u (coil with diode) 86 30 85 87a 87 86 30 85 87a 87 86 30 85 87a 87 1a (coil with resistance) 1c (coil with resistance) 1u (coil with resistance) 86 30 85 87a 87 86 30 85 87a 87 86 30 85 87a 87 2 4 10 20 100 40 12vdc resis tive 24vdc resis tive 20 5 1 0 15 30 25 0.5 20 40 60 80 1.0 1.5 2.0 3.0 2.5 3.5 100 24 v 12v 6 4 2 8 10 14 12 2. 5 0. 5 1. 5 1. 0 2 .0 3. 5 3. 0 operat ion ( x1 0 4 ) contact current (a ) coil te mperatur e rise ti ming coil power (w) life curves time (msec.) temp rise (deg.) coil power (w) release time operate time
phone (707) 996-5201 | fax (707) 996-3380 | www.worldproducts.com industrial relay catalog | 59 pcb layout (bottom view) 1a 1c 1u bracket 16.8 (.661) 16.8 (.661) 16.8 (.661) 9.5 (.374) 9.5 (.374) 9.5 (.374) 4 - 6.8 (.268) 17.9 (.705) 4 - 1 (.039) 5 - 1 (.039) 5 - 1 (.039) 30 85 86 87 17.9 (.705) 17.9 (.705) 5 - 6.8 (.268) 5 - 6.8 (.268) 0.4 (.016) 0.4 (.016) 85 30 87a 87 86 85 86 30 87a 87 19.1 (.752) 11 .8 (.465) 11 .5 (.453) 22 (.866) 5.8 (.228) 4 (.074) ? 5 +0.1 0 15 (.59) 1 (.039) dimensions socket terminal standard dust cover mounting metal brakcet dust cover 24.9 (.981) 6.3 (.248) 9.5 (.374) 0.8 (.031) 2.6 (.102) 28 (1.102) 8.4 (.331) 6.3 (.248) 0.8 (.031) 27.4 (1.08) 16.8 (.661) 11 (.433) 24.9 (.981) 40.8 (1.608) 0.8 (.031) 0.8 (.031) 2.6 (.102) 28 (1.102) 8.4 (.331) 6.3 (.248) 6.3 (.248) 9.5 (.374) 11 (.433) 4.6 (.181) 16.8 (.661) 27.4 (1.08) pcb terminal standard dust cover mounting metal bracket dust cover 0.8 (.031) 6.3 (.248) 0.8 (.031) 6.3 (.248) 27.4 (1.08) 16.8 (.661) 27.4 (1.08) 16.8 (.661) 40.8 (1.608) 4.6 (.181) 24.9 (.981) 6.3 (.248) 9.5 (.374) 0.8 (.031) 2.6 (.102) 28 (1.102) 8.4 (.331) 4.5 (.177) 2.15 (.085) 1 (.039) 24.9 (.981) 4.5 (.177) 0.8 (.031) 2.6 (.102) 28 (1.102) 8.4 (.331) 6.3 (.248) 9.5 (.374) 2.15 (.085) 1 (.039) mb series tolerance: 0.2(.008) unit: mm(inch) unit: mm(inch)
phone (707) 996-5201 | fax (707) 996-3380 | www.worldproducts.com 60 | industrial relay catalog mb series
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