Allen Bradley X-228036 Stationary Contact Assembly X228036 (Pack of 4)
What I like about Allen-Bradley is the straightforward programming software they provide.
Allen Bradley X-228035 Stationary Contact Assembly X228035 (Pack of 4)
You will notice that Allen-Bradley units have a solid build and clear diagnostic indicators.
Allen Bradley X-228035 Stationary Contact Assembly X228035 (Pack of 15)
PN: X-228035.