Data sheet
US2:LEBT2B003120B
Electrically held lighting contactor, Contactor amp rating 20A, 0 N.C. / 3
N.O. Poles, 110VAC 50HZ/120VAC 60HZ coil, Combination type, 20A
circuit breaker, Enclosure NEMA type 12, Dust/drip proof for indoors
product brand name
Class LE
design of the product
Electrically held lighting contactor with circuit breaker
special product feature
Compact design; Finger safe control terminals
General technical data
weight [lb]
Height x Width x Depth [in]
27 lb
touch protection against electrical shock
NA for enclosed products
installation altitude [ft] at height above sea level maximum
6560 ft
24 × 11 × 8 in
ambient temperature [°F]
● during storage
-67 ... +176 °F
● during operation
32 ... 104 °F
ambient temperature
● during storage
-55 ... +80 °C
● during operation
0 ... 40 °C
country of origin
USA
Contactor
size of contactor
20 Amp
number of NO contacts for main contacts
3
number of NC contacts for main contacts
0
operating voltage for main current circuit at AC at 60 Hz
maximum
600 V
mechanical service life (switching cycles) of the main
contacts typical
30000000
contact rating of the main contacts of lighting contactor
● at tungsten (1 pole per 1 phase) rated value
20A @277V 1p 1ph
● at tungsten (2 poles per 1 phase) rated value
20A @480V 2p 1ph
● at tungsten (3 poles per 3 phases) rated value
20A @480V 3p 3ph
● at ballast (1 pole per 1 phase) rated value
20A @347V 1p 1ph
● at ballast (2 poles per 1 phase) rated value
20A @600V 2p 1ph
● at ballast (3 poles per 3 phases) rated value
20A @600V 3p 3ph
● at resistive load (1 pole per 1 phase) rated value
20A @600V 1p 1ph
● at resistive load (2 poles per 1 phase) rated value
20A @600V 2p 1ph
● at resistive load (3 poles per 3 phases) rated value
20A @600V 3p 3ph
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
4
US2:LEBT2B003120B
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1.22.2021
Subject to change without notice
© Copyright Siemens
contact rating of auxiliary contacts of contactor according
to UL
A600 / Q600
Coil
type of voltage of the control supply voltage
AC
control supply voltage
● at AC at 50 Hz rated value
110 V
● at AC at 60 Hz rated value
120 V
apparent pick-up power of magnet coil at AC
31.7 V·A
apparent holding power of magnet coil at AC
4.8 V·A
operating range factor control supply voltage rated value
of magnet coil
0.85 ... 1.1
Enclosure
degree of protection NEMA rating of the enclosure
NEMA 12 enclosure
design of the housing
Dust tight and drip proof for indoors
Circuit Breaker
type of the motor protection
Circuit breaker with thermal and fixed magnetic trip
operational current of motor circuit breaker rated value
20 A
Mounting/wiring
mounting position
Vertical
fastening method
Surface mounting and installation
type of electrical connection for supply voltage line-side
Box lug
type of connectable conductor cross-sections at line-side
at AWG cables single or multi-stranded
1x (14 ... 10 AWG) or 1x (12 ... 10 AWG)
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
7 ... 12 lbf·in
type of connectable conductor cross-sections at AWG
cables for load-side outgoing feeder single or multistranded
2x (20 ... 16 AWG), 2x (18 ... 14 AWG), 2x 12 AWG
temperature of the conductor for load-side outgoing feeder
maximum permissible
75 °C
material of the conductor for load-side outgoing feeder
CU
type of electrical connection of magnet coil
Screw-type terminals
tightening torque [lbf·in] at magnet coil
7 ... 10 lbf·in
type of connectable conductor cross-sections of magnet
coil at AWG cables single or multi-stranded
2x (20 ... 16 AWG), 2x (18 ... 14 AWG)
temperature of the conductor at magnet coil maximum
permissible
75 °C
material of the conductor at magnet coil
CU
type of electrical connection at contactor for auxiliary
contacts
Screw-type terminals
tightening torque [lbf·in] at contactor for auxiliary contacts
7 ... 12 lbf·in
type of connectable conductor cross-sections at contactor
at AWG cables for auxiliary contacts single or multistranded
2x (20 ... 16 AWG), 2x (18 ... 14 AWG)
temperature of the conductor at contactor for auxiliary
contacts maximum permissible
75 °C
material of the conductor at contactor for auxiliary contacts
CU
Short-circuit current rating
design of the short-circuit trip
Thermal magnetic circuit breaker
breaking capacity maximum short-circuit current (Icu)
● at 240 V
5 kA
● at 480 V
5 kA
● at 600 V
5 kA
certificate of suitability
NEMA ICS 2; UL 508
Further information
Industrial Controls - Product Overview (Catalogs, Brochures,…)
www.usa.siemens.com/iccatalog
Industry Mall (Online ordering system)
US2:LEBT2B003120B
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1.22.2021
Subject to change without notice
© Copyright Siemens
https://mall.industry.siemens.com/mall/en/us/Catalog/product?mlfb=US2:LEBT2B003120B
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
https://support.industry.siemens.com/cs/US/en/ps/US2:LEBT2B003120B
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:LEBT2B003120B&lang=en
Certificates/approvals
https://support.industry.siemens.com/cs/US/en/ps/US2:LEBT2B003120B/certificate
US2:LEBT2B003120B
Page 3/4
1.22.2021
Subject to change without notice
© Copyright Siemens
last modified:
US2:LEBT2B003120B
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3/11/2020
1.22.2021
Subject to change without notice
© Copyright Siemens
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