Data sheet
US2:22IP320A81
Reversing motor starter Size 3 1/2 Three phase full voltage Amb
compensate bimetal OLrelay Contactor amp rating 115Amp Noncombination type Enclosure NEMA type 12 Dust/drip proof for indoors
product brand name
Class 14 & 22
design of the product
Full-voltage reversing motor starter
special product feature
Half-size starter; Dual voltage coil
General technical data
weight [lb]
Height x Width x Depth [in]
53.8 lb
touch protection against electrical shock
NA for enclosed products
installation altitude [ft] at height above sea level maximum
6560 ft
25 × 17 × 7 in
ambient temperature [°F]
● during storage
-22 ... +149 °F
● during operation
-4 ... +104 °F
ambient temperature
● during storage
-30 ... +65 °C
● during operation
-20 ... +40 °C
country of origin
USA
Horsepower ratings
yielded mechanical performance [hp] for 3-phase AC
motor
● at 200/208 V rated value
30 hp
● at 220/230 V rated value
40 hp
● at 460/480 V rated value
75 hp
● at 575/600 V rated value
75 hp
Contactor
size of contactor
Controller half size 3 1/2
number of NO contacts for main contacts
3
operating voltage for main current circuit at AC at 60 Hz
maximum
600 V
operational current at AC at 600 V rated value
115 A
mechanical service life (switching cycles) of the main
contacts typical
5000000
Auxiliary contact
number of NC contacts at contactor for auxiliary contacts
0
number of NO contacts at contactor for auxiliary contacts
1
number of total auxiliary contacts maximum
7
contact rating of auxiliary contacts of contactor according
to UL
10A@600VAC (A600), 5A@600VDC (P600)
Coil
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type of voltage of the control supply voltage
AC
control supply voltage
● at AC at 60 Hz rated value
110 ... 240 V
holding power at AC minimum
14 W
apparent pick-up power of magnet coil at AC
310 V·A
apparent holding power of magnet coil at AC
26 V·A
operating range factor control supply voltage rated value
of magnet coil
0.85 ... 1.1
percental drop-out voltage of magnet coil related to the
input voltage
50 %
switch ON delay time
26 ... 41 ms
OFF delay time
14 ... 19 ms
Overload relay
product function
● overload protection
Yes
● test function
Yes
● external reset
Yes
reset function
Manual and automatic
adjustment range of thermal overload trip unit
0.85 ... 1.15
number of NC contacts of auxiliary contacts of overload
relay
3
number of NO contacts of auxiliary contacts of overload
relay
0
operational current of auxiliary contacts of overload relay
● at AC at 600 V
5A
● at DC at 250 V
5A
contact rating of auxiliary contacts of overload relay
according to UL
5A@600VAC (B600), 5A@250VDC (P300)
Enclosure
degree of protection NEMA rating
12
design of the housing
Dust tight and drip proof for indoors
Mounting/wiring
mounting position
Vertical
fastening method
Surface mounting and installation
type of electrical connection for supply voltage line-side
Box lug
tightening torque [lbf·in] for supply
120 ... 120 lbf·in
temperature of the conductor for supply maximum
permissible
75 °C
material of the conductor for supply
AL or CU
type of electrical connection for load-side outgoing feeder
Screw-type terminals
tightening torque [lbf·in] for load-side outgoing feeder
35 ... 50 lbf·in
type of electrical connection of magnet coil
Screw-type terminals
tightening torque [lbf·in] at magnet coil
5 ... 12 lbf·in
type of connectable conductor cross-sections of magnet
coil at AWG cables single or multi-stranded
2x (16 ... 12 AWG)
temperature of the conductor at magnet coil maximum
permissible
75 °C
material of the conductor at magnet coil
CU
type of electrical connection for auxiliary contacts
Screw-type terminals
tightening torque [lbf·in] at contactor for auxiliary contacts
10 ... 15 lbf·in
type of connectable conductor cross-sections at contactor
at AWG cables for auxiliary contacts single or multistranded
1x (12 AWG), 2x (16 ... 14 AWG), 2x (18 ... 16 AWG)
temperature of the conductor at contactor for auxiliary
contacts maximum permissible
75 °C
material of the conductor at contactor for auxiliary contacts
CU
type of electrical connection at overload relay for auxiliary
contacts
Screw-type terminals
tightening torque [lbf·in] at overload relay for auxiliary
contacts
5 ... 12 lbf·in
type of connectable conductor cross-sections at overload
2x (16 ... 12 AWG)
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© Copyright Siemens
relay at AWG cables for auxiliary contacts single or multistranded
temperature of the conductor at overload relay for auxiliary
contacts maximum permissible
75 °C
material of the conductor at overload relay for auxiliary
contacts
CU
Short-circuit current rating
design of the fuse link for short-circuit protection of the
main circuit required
10kA@600V (Class H or K); 100kA@600V (Class R or J)
design of the short-circuit trip
Thermal magnetic circuit breaker
breaking capacity maximum short-circuit current (Icu)
● at 240 V
14 kA
● at 480 V
10 kA
● at 600 V
10 kA
certificate of suitability
NEMA ICS 2; UL 508; CSA 22.2, No.14
Further information
Industrial Controls - Product Overview (Catalogs, Brochures,…)
www.usa.siemens.com/iccatalog
Industry Mall (Online ordering system)
https://mall.industry.siemens.com/mall/en/us/Catalog/product?mlfb=US2:22IP320A81
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
https://support.industry.siemens.com/cs/US/en/ps/US2:22IP320A81
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=US2:22IP320A81&lang=en
Certificates/approvals
https://support.industry.siemens.com/cs/US/en/ps/US2:22IP320A81/certificate
US2:22IP320A81
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© Copyright Siemens
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© Copyright Siemens
last modified:
US2:22IP320A81
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3/9/2020
1.21.2021
Subject to change without notice
© Copyright Siemens
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