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AC Controls
Manual Starters and Switches
Table 15.1
Horsepower Ratings
Maximum Horsepower
AC Single Phase
Voltage
1-Pole
2-Pole
1
1
115–230
277
1
1
Table 15.3
Manual Starters and Switches Features
Class SMF Fractional Horsepower
Manual Starters with Melting
Alloy Type Thermal Overload Relay,
Single Unit Types
Type of
No. of
Operator
Poles
Features
Basic Starter
1
Toggle
2
Standard With Red Pilot Light
1
Key
2
Starter With Handle Guard / Lock-Off
1
Toggle
2
Standard With Red Pilot Light
1
2
One Starter In Duplex Enclosure
Toggle
2
Standard With Red Pilot Light
2
Key
Two Starters In One Enclosure
Toggle
2 Each
Standard With Red Pilot Light On Each
Str.
Key
Starter and "Auto-Off-Hand" SPDT Selector Switch (AC Only)
Toggle
1
Standard With Red Pilot Light
2
Key
2
With Red Pilot Light
Two-Speed Starters (AC Only)
Toggle
1
With Mechanical Interlock (Standard With 2 Red Pilot Lights)
2
With High-Off-Low Selector Switch (With 2 Red Pilot Lights)
Table 15.4 Class SMF Heater Elements
Motor Full-Load
Heater
Current (Amperes)
Cat. No.
0.157–0.173
SMF H01
SMF H02
0.174 –0.192
0.193–0.212
SMF H03
0.213 –0.235
SMF H04
SMF H05
0.236–0.261
0.262–0.289
SMF H06
0.290 –0.321
SMF H07
SMF H08
0.322–0.355
0.356 –0.399
SMF H09
15
0.40–0.44
SMF H010
SMF H011
0.45–0.49
0.50–0.53
SMF H012
0.54–0.58
SMF H013
286
Table 15.2
DC 2-Pole Only
Device
3
⁄
Class
4
MMS
—
Class
MRS
Class
MMS
Two
Speed
Motor Full-Load
Heater
Current (Amperes)
Cat. No.
0.59–0.65
SMF H014
SMF H015
0.66–0.71
0.72–0.78
SMF H016
0.79–0.85
SMF H017
SMF H018
0.86–0.96
0.97–1.04
SMF H019
1.05–1.16
SMF H020
SMF H021
1.17–1.25
1.30–1.39
SMF H022
1.38–1.54
SMF H023
SMF H024
1.48–1.63
1.57–1.75
SMF H025
1.66–1.86
SMF H026
Siemens Electrical Products and Systems
Horsepower Ratings
AC Ratings
Number
of
Motor Type
115
Poles
AC
Volts
2
Single Phase
3
Three Phase
2
Single Phase
3
Three Phase
2
Single Phase
3 Phase, Constant
3
or Var. Torque
3 Phase,
3
Constant HP
Class MRS and MMS Manual
Switches
Type of
No. of
Operator
Poles
Class MMS — Non-Reversing
1
Toggle
2
1
Key
2
Type of
No. of
Operator
Poles
Class MMS — Reversing
Toggle
2
3
Class MMS — Two-Speed
Toggle
2
3
Motor Full-Load
Current (Amperes)
1.80 –1.99
1.96 –2.15
2.16 –2.38
2.39 –2.75
2.76 –2.84
2.85 –3.06
3.07–3.45
3.46 –3.70
3.71–4.07
4.08 –4.32
4.33 –4.90
4.91– 5.35
5.36 – 5.85
Specification Guide
DC Ratings
230
460–575
90
Volts
Volts
Volts
2
2
3
1
1
⁄
2
7
10
1
2
2
2
3
1
1
⁄
2
7
10
1
2
2
2
3
1
1
⁄
2
7
10
1
2
1
⁄
2
7
10
1
2
Features
Standard With Pilot Light (115 and 230 VAC)
Standard With Pilot Light (205–240 and 440–600 VAC)
Standard With Pilot Light (115 and 230 VAC)
Standard With Pilot Light (208–240 and 440–600 VAC)
Features
Suitable for
(Incl. Mechanical
Motor Types
Interlock)
Single-Phase Two-
Std. With Pilot Light
Winding (3-Lead)
(115 and 230 VAC)
3-Phase and 1-Phase
Std. With Pilot Light
Capacitor, Split-Phase
(110–120, 208-220,
4-Lead Repul.-Induct.
440–600 VAC)
Single-Phase Two-
Std. With 2 Pilot Lights
Winding (3-Lead)
(115 and 230 VAC)
Three-Phase
Std. With 2 Pilot Lights
Separate Winding
(208-220, and
(Wye-Connected)
440–600 VAC)
Heater
Motor Full-Load
Cat. No.
Current (Amperes)
SMF H027
5.86 – 6.41
SMF H028
6.42– 6.79
SMF H029
6.80 –7.57
SMF H030
7.58 –8.15
SMF H031
8.16 – 8.98
SMF H032
8.99 – 9.67
SMF H033
9.68 – 9.95
SMF H034
9.96 –10.8
SMF H035
10.9 –12.1
SMF H036
12.2–13.1
SMF H037
13.2–13.9
SMF H038
14.0 –15.0
SMF H039
15.1–16.0
CSI Section 16160
General
115
230
Volts
Volts
2
1
1
⁄
2
1
⁄
2
1
2
1
⁄
2
1
2
1
⁄
2
1
2
2
1
1
⁄
2
1
⁄
2
1
2
2
1
Heater
Cat. No.
SMF H40
SMF H41
SMF H42
SMF H43
SMF H44
SMF H45
SMF H46
SMF H47
SMF H48
SMF H49
SMF H50
SMF H51
SMF H52
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