CircuitProtection 2016.QXD CircuitProtection 4/4/16 12:23 PM Page 48 MA- Series UL508 listed E137938 Three Phase Adjustable Trip Miniature Circuit Breakers/ CAN/CSA-C22.2 No.14 certified Manual Motor Controllers The MA was designed to handle the high inrush loads of 3 phase transf orm 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 Type Designation starti ng and inrush current cir cuits. MA 16 UM An IEC device with excellent rat ings under (a) (b) (c) (d) a UL listing at 480Y/277V (in cludi ng group ratings) and at 500V under international (a) = MA - Manual Motor Controller standards, the Altech/ABL Sursum MA (b) = Rated Current prov ides short and long term cost eff ec tive (c) = U - US Housing circuit protect ion for USA and/or export = R - US Housing + Ring Tongue applications. The short term ad van tag es (d) = M - Part No. Designation include: (1) adj usta ble therm al trip all ows finali za tion of initial des igns be fore Voltage Rating 480Y/277V AC procurement of the load equip ment is complete (2) snap-on mount ing for readily AIC (Interrupt Capacity) 0.16A-2.5A: 42kA 4.0A-16A: 14kA 20A-40A: 10kA available, int er na tiona ll y stan dardi zed DIN Standard Short Circuit Withstand Rating 0.16A-2.5A: 42kA 4.0A-16A: 14kA 20A-40A: 10kA Rail saves panel layout design time as well (UL/CSA Ratings) as ins tall a tion and change la bor (3) large Group Short Circuit Ratings see above cage-clamp term i nals with screws suit able (UL/CSA Ratings) to power screw drive rs, simp li fies and speeds wiring (4) convenient switched Typical Life 6000 on/off operations with 2xRC dis con nect during fac to ry testi ng and/or Calibration Temperature 25C, +0, -5 (77F, +0 -9) initial start-up saves time and ag gra va tion. Standard Pack and Weight 1/450g (1.0 lb.) The key long term advantage is cus tom er sat is fac tion and proven over-cur rent pro - Terminal Size Acceptability Top/Bottom: 18-3 AWG tec tion of wiring and equip ment (and the Terminal Torque (min/max) 2 Nm (17.7 lb.in.) / 2.5Nm (22.2 lb.in) lack of rework/rep air costs). GROUP SHORT 3 HORSEPOWER RATINGS AT NOMINAL LINE VOLTAGE CIRCUIT RATING FLA Dial (See Note for HEA Definition) a AT 480VAC Rated Adjustment 110-120V 200V 208V 220-240V 460-480V (and BCP size) Cat. No. Current Markings HP (HEA) HP (HEA) HP (HEA) HP (HEA) HP (HEA) MA016UM 0.16A 0.1/ 0.12/0.14/0.16 MA025UM 0.25A 0.16/0.19/0.22/0.25 42kA rMS Through MA2.5U, ampere rated for motor circuits having a full- MA040UM 0.40A 0.25/0.30/0.35/0.40 symmetrical load-amperage (FLA) not exceeding the MAs general purpose MA063UM 0.63A 0.40/0.48/0.56/0.63 (max. 1200A rated current (RC, equals maximum dial setting) and a locked MA1.0UM 1.0A 0.63/0.75/0.87/1.0 MCCB rotor current not exceeding 6 times the MAs RC. or RK5) MA1.6UM 1.6A 1.0/1.2/1.4/1.6 MA2.5UM 2.5A 1.6/1.9/2.2/2.5 14kARMS MA4.0UM 4.0A 2.5/3.0/3.5/4.0 1/2 (4.0) 3/4 (3.2) 3/4 (3.1) 1 (3.6) 2 (3.42) symmetrical MA6.3UM 6.3A 4.0/4.8/5.6/6.3 3/4 (5.6) 11/2 (6.0) 11/2 (5.7) 11/2 (5.2) 3 (4.8) (max. 350A MA10UM 10A 6.3/7.5/8.7/10 1 (7.2) 2 (7.8) 2 (7.5) 3 (9.6) 5 (7.6) MCCB MA16UM 16A 10/12/14/16 or RK5) 2 (13.6) 3 (11.0) 3 (10.6) 5 (15.2) 10 (14.0) 10kARMS MA20UM 20A 16/17/18.5/20 3 (19.2) 5 (17.5) 5 (16.7) 5 (15.2) 10 (14.0) symmetrical MA25UM 25A 20/21.5/23/25 3 (19.2) 5 (17.5) 71/2 (24.2) 71/2 (22.0) 15 (21.0) (max. 350A MA32UM 32A 25/27/30/32 5 (30.4) 71/2 (25.0) 71/2 (24.2) 10 (28.0) 20 (27.0) MCCB MA40UM 40A 32/34/37/40 or RK5) 5 (30.4) 10 (32.0) 10 (31.0) 10 (28.0) 25 (34.0) 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.) Altech Corp. 35 Royal Road Flemington, NJ 08822-6000 P 908.806-9400 F 908.806.9490 www.altechcorp.com 48 Earth Leakage UL 1077 ANNEX UL 1077 UL 508 UL 489 Circuit Breakers Equipment Breakers CircuitProtection 2016.QXD CircuitProtection 4/4/16 12:23 PM Page 49 43.8 mm Dimensions in mm 37.5 mm 25.5 mm 67 52.5 mm 7 17.2 mm 3 30.2 mm 43.8 mm 70.1 mm MA- Series Trip Curves MA/USA Manual Motor Con troll er Altech Corp. 35 Royal Road Flemington, NJ 08822-6000 P 908.806-9400 F 908.806.9490 www.altechcorp.com 49 89.5 mm 44.5 mm 35 mm 45 mm Earth Leakage UL 1077 ANNEX UL 1077 UL 508 UL 489 Circuit Breakers Equipment Breakers