altech corp. 35 royal road flemington, nj 08822-6000 phone (908)806-9400 fax (908)806-9490 www.altechcorp.com 44 altech ul508 1/2 (4.0) 3/4 (3.2) 3/4 (3.1) 1 (3.6) 2 (3.42) 3/4 (5.6) 1 1/2 (6.0) 1 1/2 (5.7) 1 1/2 (5.2) 3 (4.8) 1 (7.2) 2 (7.8) 2 (7.5) 3 (9.6) 5 (7.6) 2 (13.6) 3 (11.0) 3 (10.6) 5 (15.2) 10 (14.0) 3 (19.2) 5 (17.5) 5 (16.7) 5 (15.2) 10 (14.0) 3 (19.2) 5 (17.5) 7 1/2 (24.2) 7 1/2 (22.0) 15 (21.0) 5 (30.4) 7 1/2 (25.0) 7 1/2 (24.2) 10 (28.0) 20 (27.0) 5 (30.4) 10 (32.0) 10 (31.0) 10 (28.0) 25 (34.0) ma016um 0.16a 0.1/ 0.12/0.14/0.16 ma025um 0.25a 0.16/0.19/0.22/0.25 ma040um 0.40a 0.25/0.30/0.35/0.40 ma063um 0.63a 0.40/0.48/0.56/0.63 ma1.0um 1.0a 0.63/0.75/0.87/1.0 ma1.6um 1.6a 1.0/1.2/1.4/1.6 ma2.5um 2.5a 1.6/1.9/2.2/2.5 ma4.0um 4.0a 2.5/3.0/3.5/4.0 ma6.3um 6.3a 4.0/4.8/5.6/6.3 ma10um 10a 6.3/7.5/8.7/10 ma16um 16a 10/12/14/16 ma20um 20a 16/17/18.5/20 ma25um 25a 20/21.5/23/25 ma32um 32a 25/27/30/32 ma40um 40a 32/34/37/40 note: hea - horsepower equivalent amperes , the nominal amperage assigned to standard motor horsepower ratings in design guide tables such as nfpa-70 tables 430-248, 430-249, 430-250; ul1077 table 16.2; csa - c22.2 no. 235-m89 tables 44 and 45; csa-c22.2 no. 14-m91 table 19, etc. multiply hea values (in parenthesis) by 1.1 if power factor is 90%, and by 1.2 if power factor is 80%. a the standard-circuit short-circuit rating is 14ka for all types. group ratings can be used in a standard circuit (e.g., ma1.0u at 42ka), but a higher standard rating cannot be used in a group circuit (e.g., ma40u at 14ka only in standard circuit.) fla dial adjustment markings rated current cat. no. 3? horsepower ratings at nominal line voltage (see note for hea definition) 110-120v hp (hea) 200v hp (hea) 208v hp (hea) group short circuit rating at 480vac a (and bcp size) 42ka r ms symmetrical (max. 1200a mccb or rk5) 14ka rms symmetrical (max. 350a mccb or rk5) 10ka rms symmetrical (max. 350a mccb or rk5) 220-240v hp (hea) 460-480v hp (hea) through ma2.5u, ampere rated for motor circuits having a full- load-amperage (fla) not exceeding the mas general purpose rated current (rc, equals maximum dial setting) and a locked rotor current not exceeding 6 times the mas rc. ma- series three phase adjustable trip miniature circuit breakers/ manual motor controllers the ma was designed to handle the high inrush loads of 3 phase trans form ers, power sup plies, motors, etc. the ma protects wir ing and equip ment from damage caused by the three major classes of over-cur rent, yet greatly re duc - es the number of nui sance trips in high start ing and inrush current cir cuits. an iec device with excellent rat ings under a ul listing at 480y/277v (in clud ing group ratings) and at 500v under international standards, the altech/abl sursum ma pro vides short and long term cost ef fec tive circuit protec tion for usa and/or export applications. the short term ad van tag es include: (1) ad just able ther mal trip al lows final iza tion of initial de signs be fore procurement of the load equip ment is complete; (2) snap-on mount ing for readily available, in ter na tion al ly stan dard ized din rail saves panel layout design time as well as in stal la tion and change la bor; (3) large cage-clamp ter mi nals with screws suit able to power screw driv ers, sim pli fies and speeds wiring; (4) convenient switched dis con nect during fac to ry test ing and/or initial start-up saves time and ag gra va tion. the key long term advantage is cus tom er sat is fac tion and proven over-cur rent pro - tec tion of wiring and equip ment (and the lack of rework/re pair costs). ul508 listed e137938 can/csa-c22.2 no.14 certified type designation ma 16 um (a) (b) (c) (d) (a) = ma - manual motor controller (b) = rated current (c) = u - us housing = r - us housing + ring tongue (d) = m - part no. designation voltage rating aic (interrupt capacity) standard short circuit withstand rating (ul/csa ratings) group short circuit ratings (ul/csa ratings) typical life calibration temperature standard pack and weight terminal size acceptability 480y/277vac 0.16a-2.5a: 42ka; 4.0a-16a: 14ka; 20a-40a: 10ka 0.16a-2.5a: 42ka; 4.0a-16a: 14ka see above 6000 on/off operations with 2xrc 25c, +0, -5 (77f, +0 -9) 1/450g (1.0 lb.) top/bottom: 18-3 awg
altech corp. 35 royal road flemington, nj 08822-6000 phone (908)806-9400 fax (908)806-9490 www.altechcorp.com 45 altech ul508 0.1 1 1.15 1.5 2 2.3 3456 6.9 8 10 12 16 19 0.2 0.4 0.6 1 2 4 6 10 20 40 1 2 4 6 10 20 40 60 120 multiple of dial setting (thermal) multiple of rated current (magnetic trip) rated current = max. dial setting seconds minutes tripping time t tripping time t ma016um-ma16um ma 3 phase controller thermal overload (b, c, d) ?ust trip? current = 115% of dial setting ?ust not trip?> 1 hr = 105% of dial setting 0.1 11.15 1.5 2 2.3 3456 6.9 8 1012 12.5 15 0.2 0.4 0.6 1 2 4 6 10 20 40 1 2 4 6 10 20 40 60 120 multiple of dial setting (thermal) multiple of rated current (magnetic trip) rated current = max. dial setting seconds minutes ma20um-ma40um ma 3 phase controller thermal overload (b, c, d) ?ust trip? current = 115% of dial setting ?ust not trip?> 1 hr = 105% of dial setting magnetic trip nominal 1100% of rated current magnetic trip nominal 1100% of rated current dimensions ma/usa manual motor con trol ler 45mm (1.77 in.) 35mm (1.38 in.) 44.5mm (1.75 in.) 89.5mm (3.52 in.) 7mm (.28 in.) 37.5mm (1.48 in.) 44mm (1.73 in.) 25.5mm (1.0 in.) 6mm (.24 in.) 68mm (2.68 in.) 44mm (1.73 in.) 30.5mm (1.20 in.) 7mm (.28 in.) 17.5mm (0.69 in.) 52.5mm (2.07 in.) o off o off o off
altech corp. 35 royal road flemington, nj 08822-6000 phone (908)806-9400 fax (908)806-9490 www.altechcorp.com 46 altech ul508 for further busbar information please see our comprehensive altech universal power distribution catalog. fa - shunt trip trip/coil type/ voltage max. coil approvals cat. no. ac or dc current fa12um 12v 1.3a fa24um 24v 0.6a fa48um 48-72v 0.2a fa110um 110v/220v 0.25a/0.5a standard pack: 5 weight: 525 grams (1.16 lb.) width: 17.5mm (.689in.) ua - undervoltage trip (not ul listed) h - auxiliary switch add-on neutral pole * please consult altech for other voltages and your 50hz application needs. type/ line voltage cat. no. 60hz* ua120um 120vac ua220um 220vac reset-hold voltage = 0.85 x v e drop-out voltage = 0.35 - 0.7 x v e standard pack: 5 weight: 750 grams (1.65 lb.) width: 17.5mm (.689in.) accessories can be factory or field mount ed on v-ea and ma manual motor controllers for enhanced control and mon i tor ing capabilities. field mounting kits include all necessary parts and in struc tions. accessories can be gang mount ed on a single controller (the auxiliary switch in the outside position). the mounting arrange ment links the internal latch-pins for the tripping mechanisms, ensur ing si mul ta neous trips. handles are linked to simplify manual resetting. type/ no. of contact contact wire for use cat. no. contacts type rating size with: approvals h10um 1 1no h11um 2 1no + 1nc h12um 3 1no + 2nc h21um 3 2no + 1nc standard pack: 10 weight: 450 grams (0.99 lb.) width: 9mm (.354in.) v-ea and ma manual motor controllers accessories 10a / 220v ac 3a / 110v dc or pulsed 4mm 2 (12 awg) v-ea, ma 1a / 220v dc or pulsed type/ cat. no. rating approvals n63um 0.3-63a/ 480y/277v standard pack: 5 weight: 0.775kg (1.71lb.) width: 17.5mm (.689in.) ul508 listed e137938 * reset-hold voltage = 0.85 x v e ; drop-out voltage = 0.2 x v e
altech corp. 35 royal road flemington, nj 08822-6000 phone (908)806-9400 fax (908)806-9490 www.altechcorp.com 47 altech ul508 lock-out * cat. no. eass prevent inadvertent resetting of the v-ea or ma during maintenance. fits 1/4 pad lock. touch protector cat. no. bs.ul cooling spacer cat. no. 15.960 * v-ea and ma can also be locked in the on and off position by simply using a common lead or meter seal, which gets fed through the hole in the handle and a corresponding hole in the housing. 40 50 60 70 80 90 100 110 120 130 140 150 160 ambient temperature maximum 20% off rc for a total off 10 poles or more, adjacent mounted* up to 3 poles adjacent mounted calibration temperature calibration temperature rated current (%) (?) -40 -40 -30 -22 -20 -4 -10 14 0 32 10 50 20 68 30 86 40 104 50 122 60 140 70 158 80 176 90 194 (?) 20% ambient temperature adjustment 5% of rc for every 10? (18?). adjacent mounting temperature adjustment 3% of rc for every additional pole above 3. maximum 20% off rc for a total of 10 poles or more.* * cooling spacer (part #15.960) between each group of 3 poles will eliminate these adjustments. calibration temperature t e mp e r at u r e c o r r e c t io n c u r v e ambient temperature and adjacent mounting/loading adjustment (v-ea/ma ambient temperature - 25c to 55c, storage temperature -40c to 70c)
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