The PHR-4 is a 4-position, 2.00mm pitch rectangular connector housing from JST Manufacturing. It features a detent lock fastening and is rated for 3A and 250V.
TE Connectivity 280359 is a single row, 4-position receptacle housing from the AMPMODU II series. It features 2.54mm pitch, crimp snap-in contacts, and a black LCP housing rated UL 94V-0.
The JST XHP-4 is a 4-position, single-row rectangular connector housing with a 2.50mm pitch. It features a receptacle design with female socket contacts and crimp termination for free hanging (in-line) mounting.