Frequently Asked Questions
Identifying differences in two part numbers
IEC contactors and starters
Tesys D Auxiliary contacts
Determining which part number to order
They both have 2 normally open (N.O.) and 2 normally closed (N.C.) contacts.
The sequence and numbering are different
LADN22 from left to right read : N.O. 53 and 54; N.C. 61 and 62; N.C. 71 and 72; N.O. 83 AND 84.
LADN22G from left to right read : N.C. 31 and 32; N.C. 41 and 42; N.O. 53 and 54; N.O. 63 and 64.
What is the red safety covers for D line contactor.
D-Line IEC contactors
IEC Contactors sold and used in the United States
Requirement for safety covers in specific situations
LAD9ET1S for 9A to 65A contactors.
LAD9ET3S for 80A to 95A contactors.
LAD9ET4S for 110A to 150A contactors.
There are also auxillary contacts available for front mount with a ref cover, model LADN22S, 2NO + 2NC
Terminal numbers designation for LADN22
Contactors and Starters-IEC
Tesys Contactors and Overload Relays
Normally open contacts are 53/54 and 83/84; normally closed contacts are 61/62 and 71/72.