Frequently asked questions

FA131010

18 September 2022

Issue:
Auxiliary contact modules for the LC1D and LC2D contactors

Product Line: 
Contactor and Starters - IEC

Environment:
North American Products

Resolution:
Select based on application requirements. Please note that the TeSys and Pre-TeSys auxiliary blocks are backward/forward compatible.
Front Mounting; maximum of 1 block per contactor:

N.O.-------N.C.-----TeSys P/N--------Pre-TeSys P/N
--1-----------1---------LADN11-----------LA1DN11
--1-----------1---------LADN11G---------LA1DN11G (See Footnote 1)
--1-----------1---------LADN11P---------LA1DN11P (See Footnote 1)
--2-----------0---------LADN20-----------LA1DN20
--2-----------0---------LA1DX20---------LA1DX20 (See Footnote 2)
--2-----------0---------LA1DY20---------LA1DY20 (See Footnote 3)
--0-----------2---------LADN02-----------LA1DN02
--2-----------2---------LADN22-----------LA1DN22
--2-----------2---------LADN22G---------LA1DN22G (See Footnote 1)
--2-----------2---------LADN22P---------LA1DN22P (See Footnote 1)
--2-----------2---------LADC22------------LA1DC22 (See Footnote 4)
--3-----------1---------LADN31------------LA1DN31
--3-----------1---------LA1DZ31----------LA1DZ31 (See Footnote 5)
--1-----------3---------LADN13------------LA1DN13
--4-----------0---------LADN40------------LA1DN40
--4-----------0---------LA1DZ40-----------LA1DZ40 (See Footnote 6)
--0-----------4---------LADN04------------LA1DN04




Front Mounting; maximum of 1 block per contactor: For use with D2 Series 25 amp through 80 amp contactors and TeSys Series 40 amp through 80 amp only.

N.O.-------N.C.-----TeSys P/N--------Pre-TeSys P/N
--1-----------0--------LADN10----------LA1DN10
--0-----------1--------LADN01----------LA1DN01

Side Mounting; maximum of 1 block on each side for D2 Series and Tesys Series 40 through 80 amp contactors. Tesys 9 through 32, 115, and 150 amps contactors will accept 1 block and is limited to left side only. (*) DC control devices will not accept side mount auxiliaries.
(*) DC control exceptions that will accept one left side mounted auxiliary: LC1D115 & LC1D150.

N.O.-------N.C.-----TeSys P/N--------Pre-TeSys P/N
--1-----------1--------LAD8N11----------LA8DN11
--2-----------0--------LAD8N20----------LA8DN20
--0-----------2--------LAD8N02----------N/A

Footnotes:
{1.EN_US} EN50 012 Machine Tool Terminal Markings
{2.EN_US} (2) NO Sealed Dust Tight Contacts
{3.EN_US} Gold Flash Contacts
{4.EN_US} (1) NO & (1) NC Standard and (1) NO & (1) NC Make Before Break
{5.EN_US} (2) NO Dust Tight Contacts & (1) NO & (1) NC Standard Contacts
{6.EN_US} (2) NO Dust Tight Contacts & (2) NO Standard Contacts