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AC Controls
AC Controls
Manual Starters and Switches
General
Class MMS and MRS
These motor starting switches provide
manual ON / OFF control of single or
three-phase AC motors, where overload
protection is not required, or is provided
separately.
These devices are suitable for use with
AC three-phase motors up to 10 HP.
Compact construction and a 600 volt
rating make these switches suitable for
a wide range of industrial and commer-
Type F02
Type K02
cial uses. Typical applications include
small
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AC Controls AC Controls Manual Starters and Switches General Class MMS and MRS These motor starting switches provide manual ON / OFF control of single or three-phase AC motors, where overload protection is not required, or is provided separately. These devices are suitable for use with AC three-phase motors up to 10 HP. Compact construction and a 600 volt rating make these switches suitable for a wide range of industrial and commer- Type F02 Type K02 cial uses. Typical applications include small
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AC Controls Manual Starters and Switches General Table 15.1 Horsepower Ratings Table 15.2 Horsepower Ratings Maximum Horsepower AC Ratings DC Ratings Number AC Single Phase DC 2-Pole Only of Motor Type 115 230 460–575 90 115 230 Device Poles AC Volts Volts Volts Volts Volts Volts Voltage 1-Pole 2-Pole 1 ⁄ 3 22 Single Phase 23121 2 115–230 11 ⁄ Class 4 1 1 MMS ⁄ ⁄ 3 Three Phase 2 7 2 10 1 2 1 2 277 11 — 1 ⁄ 22 Single Phase 23121 2 Class 1 1 MRS ⁄ ⁄ 3 Three Phase 2 7 2 10 1 2 1 2 1 ⁄ 22
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AC Controls AC Controls Manual Starters and Switches Dimensions Table 15.5 General Purpose Flush Mounting Dimensions in Inches (mm) Type of Device Operator Type AB C FF1, 1P, 2, 2P 1.44 2.75 4.50 Class SMF FS1, 1P, 2, 2P (37) (70) (114) Toggle Fractional 1.44 3.50 5.25 HP Starter FSJ1P, 2P (37) (89) (133) FF3, 3P, 4, 4P 1.44 2.75 4.50 FS3, 3P, 4, 4P (37) (70) (114) Key 1.44 3.50 5.25 FSJ3P, 4P (37) (89) (133) Class KF1, 1A, 1B, 2, 2B, 2C 1.75 2.75 4.50 MMS FS1, 1A, 1B, 2, 2B, 2C (44) (70)
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AC Controls Manual Motor Starter Switches Dimension / Wiring Diagrams 3.97 in. (100.8 mm) 1.38 in. (35.05 mm) 4.38 in. Table 15.8 Explosion Proof (111.25 mm) NEMA 7 & 9 Enclosures Type of Device Operator Type Class SMF 6.38 in. FR2, FR2H (162 mm) Fractional Toggle FR1, FR1H 5.75 in. HP Starter (146 mm) Class MMF KR2, KR2H Motor Toggle Starter KR2, KR1H Switch 9⁄32 Padlock Hole Center Line (Conduit) 0.75 in. -14 (19.05 mm) 1.19 in. 0.31 in. 1.38 in. 0.72 in. Pipe Tap (30.23 mm) (7.94 mm) (34.93 m
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AC Controls AC Controls Manual Motor Starter Protector General / Dimensions J The Manual Starters Meet or Exceed Requirements of NEMA, EEMAC, UL, CSA, IEC, VDE and Other International Standards. The built-in instantaneous magnetic trip (similar to a circuit breaker with arc chamber) provides self protection against low-level short circuits. J Motor Ratings — Up to 25 HP 3- Phase and 10 HP Single Phase. J Class 10 Adjustable Ambient Type 3VU13 Manual Motor Starter Compensated Overload Protection
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AC Controls Manual Motor Starters and Contactors General / Wiring Diagrams Application Across the line manual motor starters and contactors provide control for machinery where start stop remote con- trol is not required (optional remote stop available). Class 11 manual starters are used for single and polyphase motors up to 10 Hp. Starters have melting alloy overload relays which help protect against damage due to excessive current caused by a sustained overload, low line voltage, or single phas
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AC Controls AC Controls Manual Motor Starters and Contactors Dimensions Table 15.12 Motor Starters Mounting Mtg. Max Approx Outline Dimensions in Inches (mm) Dimensions in Inches (mm) Screw Conduit Size Enclosure Wire Ship Wt Ref Type Fig A B C DE GK1 K2 Size Lbs Dwg Open 1 5.313 (134.94) 2.500 ( 63.50) 3.625 ( 92.08) 5.500 (139.70) 2.250 ( 57.15) 10 — — 8 3 D54755 2 8.000 (203.20) 5.688 (114.46) 3.188 ( 80.96) 5.875 (149.23) 2.500 ( 63.50) 10 1/2 – 3/4 — 8 8 D25055 NEMA 1 3 11.875
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AC Controls Magnetic Contactors General Applications Class 40 industrial magnetic contactors are designed for electrical loads such as heating, lighting, transformer and capaci- tor switching, and AC motor starting. They control motors already protected by inherent or other types of overload devices. Used with appropriate pilot con- trol, a contactor provides a choice of undervoltage protection or release. Class 40 contactors Size 0 thru 6 feature carefully wound coils encapsulated to seal out m
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AC Controls AC Controls Lighting and Heating Contactors Dimensions Table 15.15 Type CLH Multi-Pole Electrically-Held Lighting and Heating Contractors (Open Type) Dimensions In Inches (mm) Ampere No. of Rating Poles Height (H) Width (W) Depth (D) 2/4 1.77 (45) 20 2.95 (75) 3.93 (99.82) 6/8 10/12 6.88 (175) 30 3 2.95 (75) 1.77 (45) 4.23 (107.44) 6/9 6.88 (175) 30 2.95 (75) 4.44 (112.77) 12 8.85 (225) 3 4.60 (117) 3.54 (90) 60 4.44 (112.77) 6/9/12 15.98 (406) 15.47 (393) 100 3 5.23 (133) 3.93
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AC Controls Compact Magnetic Contactors Lighting General Electrically Held, 20A 60Hz 480VAC Max Tungsten, 600VAC Ballast Table 15.19 21WE 2-12 Pole Table 15.20 Adder Decks Type 50 Hz Part No. Nema 1 Contacts Open Type General Purpose Side Mounted Light Power Pole 1 NO 21WS10 Normally Normally Poles Open Closed Cat No. Cat No. 1 NC 21WS01 2 0 21WE20A* 21WE20B* 2 2 NO 21WS20 21WE30B* 3 0 21WE30A* 3 1 NO & 1 NC 21WS11 21WE40B* 4 0 21WE40A* 4 2 NC 21WS02 21WE31B* 4 1 21WE31A* 3 2 NO 21WT20 T
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AC Controls AC Controls Lighting and Heating Contactors Dimensions CLM Contactors — 30 to 200 Ampere Figure 1 Figure 2 Table 15.22 Type CLM Magnetically Latched 30A to 200A Lighting and Heating Contactors — Open Type Dimensions In Inches (mm) Ampere No. of Figure Shipping Rating Poles No. AB C D E F G Weight in lbs. (kg) 2–4 3.31 (84) 1.65 (42) 3.95 (100) 3.3 (2) 30 1 4.61 (117) 5 4.19 (106) 2.09 (53) 3.48 (88) 4.5 (2) 4.38 (111) 0.23 (6) 1.50 (38) 2–3 3.31 (84) 1.65 (42) 3.95 (100) 3.3 (2) 60 4
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AC Controls Manual Starters and Switches General Type CLM Magnetically-Latched, 30-400A Type CLM Magnetically-Latched, 20A Type CLM Electrically-Held (20-400A) Multi-Pole Description Combination lighting contactors are well CLH Lighting Contactors suited for industrial, highway and area AC lighting contactors provide a safe con- Class CLH electrically-held lighting con- lighting applications, or where a lighting venient means of local or remote switch- tactors provide a safe convenient means cir
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AC Controls AC Controls Combination Starters (NEMA Sizes 0–4) General / Dimensions Combination Starter With ETI Type MCS Disconnect Switches Circuit Breaker Type MCS Disconnect Switches feature The Type ETI circuit breaker, sometimes a quick-make, quick-break mechanism to called a Motor Circuit Interrupter, is insure proper switch operation. With a a device designed specifically for applica- high fault withstand rating of 100 kA at tion in motor circuits. The ETI is a 480 volts ac, when fused
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AC Controls Contactors — Non-Reversing General NEMA Size 1 NEMA Size 3 NEMA Size 5 Type 3TF Non-Reversing AC Contactors Key Features J Lowest Contact Bounce (2 J Color-Coded Coils J Fully NEMA Rated Sizes 00–8 Milliseconds or less on Most Sizes) J Fast Termination System — Wire J Double Break Contacts J Touch Safe Power Terminals Funnels, Wire Stops, Screwdriver (Sizes 00–3) Guide Holes, and Captive Hardware J Silver Tin Oxide Contacts, Cadmium- Free (Sizes 00–5) J Touch Safe Control Terminals
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AC Controls AC Controls Magnetic Motor Starters — Full Voltage Non Reversing Starters 3 3 3 Size 0–1 ⁄ Size 0–1 ⁄ Size 0–1 ⁄ 4 4 4 With ESP100 Solid State Overload With Melting Alloy Overload With Bimetal Overload These controls are available in NEMA J Overload is self powered and Key Features (Cont’d) sizes 00 through 6. ESP100 starters are requires no hard wiring or separate J Rugged Industrial Design available in NEMA sizes 0 through 6. In power source. J Dual Voltage, Dual Frequency Coils ad
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AC Controls Magnetic Motor Starters—Full Voltage Non Reversing General Table 15.28 Coil Data Auxiliary Equipment Inrush Normal J Starters are available with built-in (Open Magnet) (Sealed Magnet) START / STOP pushbuttons for 3-wire Class 14 Size Watts Volts Amps VA Amps VA control or a HAND / OFF / AUTO 24 2.63 .37 selector switch for 2-wire control. 120 .59 .08 J Field modifications such as auxiliary 208 .34 .05 00 13.3 240 .305 70 .045 10 electrical contacts, pilot lights, push- 277 .25 .03 b
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AC Controls Magnetic Contactors Dimensions / Wiring Diagrams Fig 1a Fig 1b Fig 2 Side Mounted Aux Contact B1 Front Mounted Aux Contact B2 Aux Contact and 1 Aux Power Pole Right or Left Side Optional Electrical Contacts Table 15.29 Contactor Dimensions Dimensions in Inches (mm) NEMA Half Type AB C Size Size Figure 00 1a 3.75 (95) 5.50 (140) 3.19 (81) 4.31 (109) 4.75 (121) 3.75 (95) 0–1 1b 3 1 /4 4.31 (109) 4.75 (121) 3.75 (95) 1b 4.88 (124) 4.25 (110) 4.00 (1
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Magnetic Contactors Enclosures Dimensions Table 15.30 Enclosure Dimensions Outline Dimensions Figure 2 Figure 1 A B C Size Fig 5 1 15 00 9 /8 6 /6 4 /16 1 3 1 3 0–1 /4 11 6 /4 4 /8 2, 2a NEMA 1 1 1 13 11 2, 2 /2 13 /2 7 /16 4 /16 2, 2a General 1 1 1 3, 3 /2 19 11 /4 6 /8 2, 2b Purpose 1 9 426 13 /8 7 /16 3, 3b Enclosures 1 13 9 9 4 /2, 5 39 /16 17 /16 10 /16 3, 3a 13 9 9 645 /16 21 /16 11 /16 3 1 3 1 0–1 /2 13 7 /4 5 /2 4 1 1 1 2, 2 /2 16 8 /8 6 /8 4 NEMA 3 1 13
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AC Controls Magnetic Contactors Enclosures Dimensions Fig 3a Figure 5 Fig 3b Figure 6 Figure 7 Figure 8 Figure 9 15 Siemens Electrical Products and Systems CSI Section 16160 303 Specification Guide
