Allen-Bradley 700-CRT6 C01 Contactor

Allen-Bradley 700-CRT6 C01 Contactor is a replaceable normally closed contact cartridge for Bulletin 700 relay systems, designed to add an auxiliary NC contact to compatible 700-series relays. In the CRT5/CRT6 family, CRT5 represents the normally open cartridge and CRT6 represents the normally closed cartridge, with CRT cartridges being removable and lift-out components that can be swapped without replacing the entire relay assembly. The 700-CRT6 variant functions as an auxiliary contact within a 700-series control or interlock circuit, enabling a dedicated closed path when the master relay is de-energized. This C01 designation identifies a specific variant of the NC cartridge used in compatible Allen-Bradley 700 relay configurations. Compatible installations involve 700-series contactor assemblies that use these interchangeable CRT-type cartridges, allowing quick maintenance by exchanging just the cartridge. Because it is a cartridge-based accessory rather than a standalone relay, the 700-CRT6 serves to expand control logic capabilities within legacy control panels or retrofit projects that still utilize the 700 family hardware. The cartridge design emphasizes simple removal and reinstallation, aligning with the documented behavior of CRT5/CRT6-NC cartridges as removable components within the 700 relay ecosystem.