OVERVIEW
ISHW420DC Series
Dual-Channel True Zero Speed Hall-Effect Sensor
The ISHW420DC Series is a dual-channel Hall-effect speed sensor designed for true zero speed detection and direction sensing in demanding railway environments. Housed in rugged stainless steel, it detects magnetic field changes from a rotating toothed target wheel to provide reliable speed monitoring.
Featuring phase-displaced outputs, IP67 protection and a wide operating temperature range, the ISHW420DC is designed for dependable performance in railway traction, vehicle control and wheelset monitoring applications.
KEY FEATURES
Reliable sensing, built for rail.
Compatible connection base
A compatible SAM/SAM2 connection base supports installation and selected legacy product compatability.
Status and alarm options
Selected surge protection devices include thermal status indication and remote alarm contacts.
Alarm loop indication
Selected modules provide visual indication for monitoring alarm-loop conditions.
Loop testing and isolation
Dedicated modules support loop testing and electrical isolation during testing procedures.
Application-Specific Modules
Options support PLC/SSI circuits, power distribution and general-purpose protection requirements.
AC and DC surge protection
Protects selected AC and DC circuits against electrical surges, depending on the module.
ISHW420DC SERIES
Technical Specifications
