SIEMENS
3-3
2015 Low Voltage AC Motors Selection and Pricing Guide
Special features detail
Altitude
TEFC (General Purpose & Severe Duty) motors with a 1.15
service factor in a 40°C ambient at 3300 feet will operate at
a 1.0 service factor in a 40°C ambient at altitudes up to
9900 feet. For altitudes greater than 9900 feet, please
consult Siemens.
Standard motors will operate at their rated service factor
at altitudes above 3300 feet at the corresponding ambient
temperatures as shown in the following table.
Ambient
TEFC (General Purpose & Severe Duty) motors with a 1.15
service factor in a 40°C ambient at 3300 feet will operate
at a 1.0 service factor at 3300 feet altitude up to a
55°C ambient. For ambients greater than 55°C or below
-25°C, please consult Siemens.
Assembly - Mounting and Terminal Box Position
Siemens SIMOTICS motors can be furnished in assemblies
shown. When motors are ordered according to a particular
mounting, bearing brackets are assembled and grease
fittings are properly installed for operation with the motor
in the position shown. However, no attempt is made to
locate fittings on any particular side of the motor.
CAUTION:
** Horizontal ball bearing motors assembly W-5, W-6,
W-7 and W-8 are not suitable for external thrust in
excess of the weight of the rotor and half-coupling.
Maximum
Ambient
Altitude in Feet
Temperature
3300 ft (1000m)
40ºC (104ºF)
6600 ft (2000m)
30ºC (56ºF)
9900 ft (3000m)
20ºC (68ºF)
FLOOR MOUNTINGS
ASSEMBLY F-1
ASSEMBLY F-2*
WALL MOUNTINGS
ASSEMBLY W-1
ASSEMBLY W-2
ASSEMBLY W-3
ASSEMBLY W-4
ASSEMBLY W-5** ASSEMBLY W-6** ASSEMBLY W-7**
ASSEMBLY W-8**
CEILING MOUNTINGS
ASSEMBLY C-1
ASSEMBLY C-2
Assembly F-1, W-3, W-6, W-8 and C-2 – Standard Lead Location
Assembly F-2, W-1, W-4, W-5, W-7 and C-1 – Lead Location Opposite Standard
Introduction
General
PurposeMotors
Hazardous
Duty Motors
Definite
Purpose Motors
Special
Features Detail
Options Selection
and Pricing
Typical
Performance Data
General
Dimensions
Severe
Duty Motors
Part Number
Index