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Manual Control Fractional HP Starters, Class SMF General
Class SMF Class SMF fractional horsepower starters provide overload protection as well as manual on-off control for small horsepower motors in a variety of industrial and commercial applications. Available in one or two pole versions, these devices are suitable for use with AC single phase motors up to 1 HP. Two pole starters can also be used with DC motors up to 3⁄4 HP. Typical applications include fans, conveyors, pumps, and small machine tools. Continuous Current Rating
16 amperes. Overload Trip Assembly
Motor protection is provided by a Class SMFH heater element which must be installed before the starter will operate. Two Speed Starters
Two speed manual starters are designed for control of small single phase AC motors having separate windings for high and low speed operation. Two toggle operated starters are used, with overload protection included for each motor winding. Surface mounting devices, and those with a gray flush plate, utilize a mechanical interlock which allows direct control of the motor by means of the toggle operators.
Enclosures
Class SMF, NEMA Type 1 surface mounting enclosures are sheet steel with a thermo-plastic wrap-around cover for convenience in wiring. The NEMA Type 1 enclosure is also available in an oversized version which allows more wiring space. A zinc alloy die casting is used for NEMA Type 4 enclosures. Pilot Lights
Red or green neon pilot light units are available for flush mounting plates, NEMA Type 1 enclosures, and NEMA Type 4 enclosures. Pilot lights may be either factory or field installed. (For starters that contain a pilot light, a Red light is standard. For a Green pilot light add "G" to the end of the catalog number.) Terminals
Binding head screw type terminals are suitable for #10 or smaller copper wire, and are accessible from the front. All terminals are clearly marked. Mounting
Open types without a pilot light fit standard single gang switch boxes, and can be used with any cover plate having a standard toggle cutout. Single-unit flush mounting types, including those with pilot lights, are suitable for wall mounting in a standard switch box or for machine cavity mounting without a box. Operation
Available with toggle handle or with removable key type operator to discourage unauthorized operation.
Siemens Energy & Automation, Inc. Industrial Controls Catalog
Class SMF Starter in a NEMA Type 1 Enclosure with Pilot Light
Emergency Off Actuator
A toggle operator extender is available for Class SMF, NEMA Type 1 surface mounted units. The extender has a red vinyl button that provides a fast and easy method for locating and switching the device‘s toggle operator into the OFF position. The Emergency Off Actuator is available in kit form only for field installation. Handle Guard/Lock-Off
An optional handle guard on Class SMF, NEMA Type 1 enclosed starters prevents accidental operation of the toggle operator and also allows the toggle operator to be padlocked in either the “ON” or “OFF” position. This handle guard can be factory installed on NEMA Type 1 enclosed starters and is also available in kit form for field installation on NEMA Type 1 surface and flush mounting enclosures. Standard NEMA Type 4 metallic enclosures include provisions for padlocking the device in the OFF position.
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Manual Control Fractional HP Starters with Melting Alloy Overload, Class SMF Selection Ordering Information
Horsepower Ratings Maximum Horsepower
Heater Elements see page 6/130. Technical Data see www.sea.siemens.com/controls. Field Modification Kits see page 6/71. Dimensions see pages 6/88. Wiring Diagrams see page 6/116.
Class SMF Starter in a NEMA Type 1 Enclosure with Pilot Light
Volts
AC Single Phase
DC
1 Pole
2 Pole
2 Pole
115–230
1
1
34
277
1
1
—
⁄
Starter—Class SMF, Single Phase General Purpose Flush Mounting Open Starter with Flush Plate (No Enclosure Provided) Standard Jumbo Gray Stainless Stainless Flush Steel Steel Plate Flush Plate Flush Plate
Type Open Type of No. of Catalog Price Catalog Price Catalog Price Catalog Operator Poles Starter Features No $ No $ No $ No Standard Red Pilot Light Standard Red Pilot Light Standard Red Pilot Light Standard Red Pilot Light
1 Toggle 2 1 Key 2
SMFF01 SMFF01P SMFF02 SMFF02P SMFF03 SMFF03P SMFF04 SMFF04P
38.50 62.00 46.00 69.00 54.00 77.00 62.00 85.00
SMFFF1 SMFFF1P SMFFF2 SMFFF2P SMFFF3 SMFFF3P SMFFF4 SMFFF4P
42.50 65.00 50.00 73.00 58.00 73.00 65.00 89.00
SMFFS1 SMFFS1P SMFFS2 SMFFS2P SMFFS3 SMFFS3P SMFFS4 SMFFS4P
45.00 69.00 54.00 77.00 62.00 85.00 69.00 92.00
NEMA Type 1 General Purpose Enclosure, Surface Mounting
Standard
Price Catalog $ No
— — SMFFSJ1P 81.00 — — SMFFSJ2P 89.00 — — SMFFSJ3P 96.00 — — SMFFSJ4P 104.00
SMFFG1 SMFFG1P SMFFG2 SMFFG2P SMFFG3 SMFFG3P SMFFG4 SMFFG4P
Oversized Price Catalog $ No
46.00 69.00 54.00 77.00 62.00 85.00 69.00 92.00
Price $
SMFFGJ1 54.00 SMFFGJ1P 77.00 SMFFGJ2 62.00 SMFFGJ2P 85.00 SMFFGJ3 69.00 SMFFGJ3P 92.00 SMFFGJ4 77.00 SMFFGJ4P 100.00
NEMA Type 3R, 4 & 12
NEMA Type 4
NEMA Type 7 & 9
Watertight, Dust-tight Metallic Enclosure with Clear Cover
Watertight, Dust-tight Metallic Enclosure
Class I Groups B, C, D & Class II Groups E, F, G Enclosures
Catalog No
Price Catalog $ No
SMFFWN1 SMFFWN1P SMFFWN2 SMFFWN2P SMFFWN3 SMFFWN3P SMFFWN4 SMFFWN4P
162.00 169.00 223.00 231.00 177.00 185.00 239.00 247.00
Price Catalog $
— — — — — — — —
No
— — — — — — — —
Price $
— — — — — — — —
— — — — — — — —
Starter With Handle Guard Lock Off—Class SMF, Single Phase Standard Red Pilot Light (2) 3⁄4" NPT Outlets (2) 3⁄4" NPT Outlets and Red Pilot Light Standard Red Pilot Light (2) 3⁄4" NPT Outlets (2) 3⁄4" NPT Outlets and Red Pilot Light
1 Toggle 2
— — —
— — —
— — —
— — —
— — — —
—
— — —
—
— — —
—
—
—
— — —
SMFFW1 173.00 SMFFR1 189.00 SMFFW1P 235.00 — — SMFFW1H 189.00 SMFFR1H 204.00
—
—
SMFFW1PH 250.00 —
69.00 — 92.00 — — —
— — —
SMFFW2 181.00 SMFFR2 196.00 SMFFW2P 243.00 — — SMFFW2H 196.00 SMFFR2H 212.00
—
SMFFW2PH 258.00 —
— — —
SMFFG5 54.00 SMFFGJ5 SMFFG5P 77.00 SMFFGJ5P — — —
62.00 — 85.00 — — —
—
—
—
—
— — —
— — —
SMFFG6 62.00 SMFFGJ6 SMFFG6P 87.00 SMFFGJ6P — — —
—
—
—
—
—
—
—
—
—
—
—
One Starter in Duplex Enclosure—Class SMF, Single Phase General Purpose Flush Mounting Open Starter with Flush Plate - (No Enclosure Provided)
Type of Operator
Number of Poles
Toggle
2
Key
2
Starter Features
Gray Flush Plate For Wall or Cavity Mounting Catalog No Price $
Stainless Steel Flush Plate for Wall or Cavity Mounting Catalog No Price $
NEMA Type 1 General Purpose Enclosure Surface Mounting Catalog No Price $
Replacement Starters Catalog No Price $
Standard Red Pilot Light Red Pilot Light
— — —
— — —
— — —
— — —
SMFFG02 SMFFG02P SMFFG04P
85.00 108.00 108.00
— — —
— — —
123.00 208.00 239.00
— SMFFS22P SMFFS44P
— 216.00 247.00
SMFFG222 SMFFG222P SMFFG44P
131.00 216.00 247.00
— — —
— — —
Two Starters In Duplex Enclosure—Class SMF, Single Phase Toggle
2 Per Starter
Key
2 Per Starter
Standard Red Pilot Light on Each Starter Red Pilot Light on Each Starter
SMFFF222 SMFFF222P SMFFF44P
Starter And “Auto-Off-Hand” SPDT Selector Switch (AC Only)—Class SMF, Single Phase 1 Toggle 2 Key
2
Standard Red Pilot Light Standard Red Pilot Light Red Pilot Light
SMFFF71 SMFFF71P SMFFF72 SMFFF72P SMFFF74P
112.00 135.00 119.00 143.00 158.00
— SMFFS71P — SMFFS72P SMFFS74P
— 143.00 — 150.00 166.00
SMFFG71 SMFFG71P SMFFG72 SMFFG72P SMFFG74P
119.00 143.00 127.00 150.00 166.00
— — — — —
— — — — —
SMFFF11 SMFFF11P
162.00 247.00
— —
— —
SMFFG11 SMFFG11P
169.00 254.00
SMFF01T SMFF01PT
46.00 69.00
Two Speed Starters (AC Only)—Class SMF, Single Phase 1 Toggle 2
Mechanical Interlock Mechanical Interlock and (2) Red Pilot Lights Mechanical Interlock, HIGH-OFF-LOW Selector Switch and (2) Red Pilot Lights Mechanical Interlock Mechanical Interlock and (2) Red Pilot Lights Mechanical Interlock, HIGH-OFF-LOW Selector Switch and (2) Red Pilot Lights
One heater element required. Furnished with (1) 3⁄4" NPT Outlet
in bottom
—
—
SMFFS101P
254.00
—
—
SMFF01PT
69.00
SMFFF22 SMFFF22P
177.00 262.00
— —
— —
SMFFG22 SMFFG22P
185.00 270.00
SMFF02T SMFF02PT
54.00 77.00
—
—
SMFFS202P
270.00
—
—
SMFF02PT
77.00
Two heater elements required. Order Open Type starter plus separate
For
handle guard kit.
(reversible for top feed).
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Discount Code: Manual Starters
starters that contain a pilot light, a Red light is standard. For a Green pilot light add "G" to the end of the catalog number.
Siemens Energy & Automation, Inc. Industrial Controls Catalog