The TE Connectivity/ABB ENTRELEC part 1SNA399723R0400 is an ABB-CONNECTION SNA Series screw terminal block. This high-quality terminal block provides a secure and reliable connection for electrical wiring in various applications. It features a durable design and easy-to-use screw terminals for quick and efficient installations. Trust the TE Connectivity/ABB ENTRELEC part 1SNA399723R0400 for all your wiring connection needs.