phone (707) 996-5201 | fax (707) 996-3380 | www.worldproducts.com industrial relay catalog | 45 ma series industrial relays the ma series has a maximum switching capacity up to 30a/40a and a plug-in or p.c.b. option terminal type. this relay also offers a variety of form con?gurations and an optional mounting bracket. features 1. max. switching capacity up to 30a/40a. 2. p.c.b. mounting or quick connect terminals. 3. optional mounting bracket. 4. 1 form a, 1 form b, 1 form c and 2 form a arrangements. ordering information ma 1 c - 12 m c t p (1) (2) (3) (4) (5) (6) (7) (1) basic designation ma = ma series (2) contact arrangement 1a = 1 form a (spst-no) 1b = 1 form b (spst-nc) 1c = 1 form c (spdt) 2a = 2 form a (dpst-no) (3) coil voltage 6~24v (4) mounting bracket nil = standard (without lever) m = with lever w = weatherproof type (5) terminal type nil = plug-in c = p.c.b. (6) contact load nil = 30a t = 40a (7) rohs compliance p = rohs nil = standard coil ratings (at 20c) coil type coil nominal voltage (v) coil resistance ( ? 10% ) pick-up voltage (v) drop-out voltage (v) nominal current (ma) dc standard 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: 130% of coil nominal voltage. rh2 060506 86 30 30 30 30 85 1a 2a 1b 1c 87a 87 85 87a 87 85 87a 87 85 87a 87 86 86 86 schematics (bottom view) p.c.b. layout (bottom view) 1a 1b 1c/2a unit: mm(inch) 5 - 1(.039) 9.5(.374) 0.4(.016) 17.9(.705) 16.8(.661) 0.4(.016) 9.5(.374) 4 - 1(.039) 9.5(.374) 17.9(.705) 16.8(.661) 4 - 6.8(.268) 4 - 6.8(.268) 5 - 6.8(.268) 85 86 86 87 87a 87a 87 86 30 85 85 30 30 4 - 1(.039) 16.8(.661)
phone (707) 996-5201 | fax (707) 996-3380 | www.worldproducts.com 46 | industrial relay catalog ma series characteristics electrical life 1 x 10 5 mechanical life 1 x 10 7 initial insulation resistance min. 100m ? 500vdc contact resistance (initial) 50m ? operate time 10ms release time 10ms initial dielectric strength 50/60hz 500vac 1 min. (between contact and coil) 50/60hz 500vac 1 min. (between open contact) 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 reference data 20 5 10 15 30 25 4 2 10 20 10 0 40 12v 6 4 2 8 10 14 12 2. 5 0. 5 1. 5 1. 0 2. 0 3 .5 3. 0 24v 100 80 60 40 20 2. 0 0. 5 1. 0 1 .5 3. 0 2. 5 3. 5 operate time release time operation (x 1 0 4 ) contact current (a ) 12vdc resistiv e 24vdc resistiv e coil te mperatur e rise ti ming coil power (w) life curves time (msec.) temp rise (deg.) coil power (w) contact ratings contact arrangement 1 form a (spst-no) 1 form b (spst-nc) 1 form c (spdt) 2 form a (dpst-no) max. switching power 480w max. switching voltage 12vdc max. switching current 40a contact resistance 50m ? rating resistive load contact load = 30a 30a 12vdc 20a 12vdc no: 30a 12vdc nc: 20a 12vdc 2 x 30a 12vdc contact load = 40a 40a 12 vdc 30a 12vdc no: 40a 12vdc nc: 30a 12vdc 2 x 40a 12vdc contact material silver alloy
phone (707) 996-5201 | fax (707) 996-3380 | www.worldproducts.com industrial relay catalog | 47 dimensions standard (plug-in) p.c.b. type standard type (without lever) standard type (without lever) with lever type with lever type weatherproof type weatherproof type 3.8(1.50) 6.3(.248) 9.5(.374) 8.4(.331) 2.6(.102) 0.8(.031) 25(.984) 16(.630) 16.8(.661) 28.2(1.1 1) 0.8(.031) 6.3(.248) 22(.866) 6(.236) ?5.5 (.217) 28.1(1.106) 11 (.433) 0.8(.031) 28.4(1.1 18) 16.8(.661) 0.8(.031) 6.3(.248) 8.4(.331) 28(1.102) 9.5(.374) 6.3(.248) 25.3(.996) 1(.039) 2.6(.102) 2.6(.102) 2.15(.085) 4.5(.177) 28.1(1.106) 2.6(.102) 6.3(.248) 9.5(.374) 8.4(.331) 25.1(.988) 0.8(.031) 2.6(.102) 0.8(.031) 11 (.433) 16.8(.661) 6.3(.248) 28.2(1.1 1) tolerance: 0.2(.008) unit: mm(inch) 16.8(.661) 28.4(1.1 18) 0.8(.031) 6.3(.248) 28(1.102) 9.5(.374) 8.4(.331) 6.3(.248) 2.15(.085) 1(.039) 0.8(.031) 2.6(.102) 4.5(.177) 25.3(.996) 16(.630) 22(.866) 3.8(1.50) 6(.236) ?5.5 (.217) ma series 2.7(.106) 42.5(1.673) 35.6(1.402) 9.5(.374) 6.6(.260) 7(.276) 6.3(.248) 27(1.063) 45.3(1.793) 14.3(.563) 34.9(1.374) 27.9(1.098) 15(.591) 35.6(1.402) 0.8(.031) 16.8(.661) 6.3(0.248) 9.8(.386) 5(.197) 27.9(1.098) 31.9(1.256) 8.4 (.331) 2.7(.106) 42.5(1.673) 35.6(1.402) 8.4(.331) 9.5(.374) 6.6(.260) 7(.276) 6.3(.248) 27(1.063) 45.3(1.793) 14.3(.563) 34.9(1.374) 27.9(1.098) 31.9(1.256) 9(.354) 11 (.433) 35.6(1.402) 0.8(.031) 27.9(1.098) 16.8(.661) 9.8(.386)
phone (707) 996-5201 | fax (707) 996-3380 | www.worldproducts.com 48 | industrial relay catalog ma series
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