LUFN20 TELEMECANIQUE, LUFN20 Datasheet - Page 4

• Manufacturer Part Number: LUFN20
• Description: Auxilary Contact; Function Module; 2 N.O.
• Manufacturer: TELEMECANIQUE
• Type: Motor Starter Contactr

Specifications of LUFN20

• Brand/series: TeSys Series
• Function: Contactor
• Primary Type: Module
• Relay Type: Electro Mechanical
• Accessory Type: Motor Starter Function Module - Auxiliary Contact
• Rohs Compliant: Yes
• For Use With: TeSys Series

References
Covers
the basic module
5
3
and
4
for empty cavities are supplied with
6
4
1
2
3
Signalling contacts
Non-reversing and reversing power base
The auxiliary contacts are used to identify the load running mode:
b
They reproduce the status of the rotary handle:
They may be similar to the OF (Open/Closed) and SD (Fault indicating) contacts
of a conventional circuit breaker.
v
v
2 locations for installing contacts
b
b
b
They reproduce the status of the common power contacts (NO contacts)
or the reverse status (NC contacts).
Additional plug-in module with 2 auxiliary contacts
The contacts built into the power base are used to control the reverser block.
To remotely indicate the status of the power poles, one of the following accessories
must be used.
Auxiliary contacts are used to find the direction of the load control:
FORWARD / REVERSED.
They reproduce the status of the reverser block power contacts.
Auxiliary contact
Generally used to indicate the direction of rotation of a motor.
1 reversing contact (82 - 81 - 84).
Electrical characteristics of the contacts
Use of add-on and auxiliary contacts: ~or = 24 …250 V, Ith: 5 A.
1
1
2
2
2
Item
5
Item
Monitoring TeSys U protection status
Monitoring the pole status of TeSys U:
by auxiliary contacts
Monitoring the direction of rotation
OPERATION ALLOWED / FAULT-TRIGGERED STOP / OFF.
OF contact: open / closed circuit breaker
SD contact: circuit breaker OK / tripped
in a function module cavity: plug-in box
on the side of the power base: side-mounting box
The auxiliary contacts are used to find the status of the load: ON / OFF.
Composition
1 SD contact (NC / 95-96)
1 OF contact (NO / 17-18)
1 SD contact (NO / 97-98)
1 OF contact (NO / 17-18)
2 OF contacts (NO)
Composition
2 NO contact (33-34)
1 NO contact (43-44)
1 NF contact (31-32)
2 NF contacts (31-32 and 41-42)
6
built into the reverser block
1
Reference
LUA1 C11
LUA1 C20
LUA8 E20
Reference
LUF N20
LUF N11
LUF N02
(Operation allowed) / TRIP / OFF.
5
Weight (kg)
0.03
0.03
0.048
Weight (kg)
0.05
0.05
0.05
1/65
1 1