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TeSys U motor starters –
open version
Starter-controller
Non-reversing power bases
Two types of bases are available, each in two versions:
LUB12, LUB32 Standard power bases: 12 A and 32 A versions.
Advanced power bases for use in conjunction with LUB120, LUB320 function
or communication module: 12 A and 32 A versions.
b
b
Common characteristics
Breaking capacity: 50 kA at 400 V.
Ratings: 12 A or 32 A at 400 V.
Built-in auxiliary contacts: max. operating voltage (Up): 690 V AC, 250 V DC.
Max. current (Ith): 5 A 1 NO, 1 NC.
Guaranteed continuity of service (complete coordination) between the protection
and control functions to EN 60947-6-2.
Connection by screw clamp terminal.
b
b
b
b
b
References for Standard power bases
Voltage (V) y 440 V 500 V 690 V Reference Weight (kg)
Rating (A) 12 12 9 LUB12 0.900
Breaking
capacity (kA)
50 10 4
Rating (A) 32 23 21 LUB32 1.270
Breaking
capacity (kA)
50 10 9
The Standard bases are fitted with auxiliary contacts and a fixed terminal block.
Terminal blocks for Advanced power bases
3 types of terminal blocks are available, providing different types of pole status
remote indication and coil control.
A cover is always supplied for each terminal block so that the top cavity of the base
designed to receive the function modules (communication, alarm, etc.) can be
closed off, if necessary.
b
b
Terminal block for built-in auxiliary contacts
Description Reference
1
Single terminal block for wire remote indication and local coil
control
LU9B N11
2
Terminal block with status remote indication cable
to communication module LUF C00, LUL C033, ASILUF C51,
local coil control
LU9B N11C
3
Terminal block with a cable for controlling the coil via
communication module LUL C07, LUL C08, LUL C09, LUL C15,
wire remote indication
LU9B N11L
LUB 120, LUB 320
DF510904
DF510922
DF510920
1
2
3
DB124034 DB124035
LUB 12, LUB 32
References for Advanced power bases
Voltage (V) y 440 V 500 V 690 V Reference Weight (kg)
Rating (A) 12 12 9 LUB2 B120 0.865
Breaking
capacity (kA)
50 10 4
Rating
(A) 32 23 21 LUB2 B320 0.865
Breaking
capacity (kA)
50 10 9
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Chap 1_EN.indb 62 04/03/2011 11:02:44
