The Honeywell MB-NSR-N4HEAT/U is a NEMA 4 heater designed for use with VR and VH butterfly actuators. This heater ensures reliable operation in harsh environments, providing essential protection against freezing temperatures. Constructed from durable materials, it is built to withstand moisture and dust, making it suitable for outdoor applications. The heater is easy to install and integrates seamlessly with existing actuator systems. Its compact design allows for efficient use of space, while its compliance with industry standards guarantees safety and reliability in operation.