SURFACE SENSING MECHANICAL THERMOSTAT
Description
This EEx d approved surface sensing thermostat provides temperature control for all nVent RAYCHEM BTV, QTVR, KTV, VPL and XTV heating cables in hazardous areas. The switching temperature range is –4°C to +163°C and is adjustable externally to the Ex enclosure by a dial mounted under a bolted-on cover and seal.
The switching current capacity is 22 A. It has a single pole change-over switch with volt-free contacts.
Cable entry is through a single 3/4" NPT thread entry. nVent RAYCHEM cable glands are available to suit nonarmoured and armoured cable.
The 3 m long stainless steel fluid filled bulb and capillary give freedom to locate the enclosure remote from the bulb. The bulb exposure range is –50°C to +215°C.
The cast aluminium construction with stainless steel fittings gives a lightweight unit which can be pipe mounted using nVent RAYCHEM support brackets or surface mounted
