Technical information

Mechanical construction

Design, dimensions

L00-NRF590-06-00-06-yy-001

Construction The NRF590 housing has three separate compartments, one containing all electronics and two for electrical

connections. The enclosure is die-cast aluminum with an polyester coating and IP65 (NEMA 4) rating. The

upper terminal compartment and electronics compartment are designated for non-i.s. connections and

electronics and are rated EEx d.The lower terminal compartment is designated for i.s. wiring connections and

wiring only.

Weight approx. 8 kg

Cable entries The non-i.s. terminal compartment has 3 cable entries. The threading in this terminal compartment enclosure

is M20x1.5.

All intrinsically designated wiring has to be terminated in the i.s. terminal compartment. For the i.s. wiring,

two M25x1.5 cable entries are available.

The internal diameter of the cable entry is 16 mm.

For accommodating various types of cable glands or cable conduit (rigid or flexible), the following sizes of cable

gland adapters are optionally available:

• M20x1.5

•G½

•½" NPT

• ¾" NPT (max. 2 cable entries)

All adapters are rated EEx d and can be used for either cable connection. When installing, properly seal all ports

to prevent moisture or other contamination from entering the wiring compartments.