1
Preface
Read this manual carefully before installation, use and service of this product. Replace the
manual immediately if lost. Nederman reserves the right, without previous notice, to modify
and improve its products including documentation.
This product is designed to meet the requirements of relevant EC directives. To maintain this
status, all installation, maintenance and repair is to be done by qualified personnel using only
Nederman original spare parts and accessories. Contact the nearest authorized distributor or
Nederman for advice on technical service and obtaining spare parts. If there are any damaged
or missing parts when the product is delivered, notify the carrier and the local Nederman
representative immediately.
2
Product marking
The terminal box is marked:
II 3D Ex tc IIIC T50°C X
Item
Description
II
Equipment group II (non mining equipment).
3D
Equipment category 3, intended for use with combustible as well as non-combustible dusts.
Tc
Protection method used is "Dust tight enclosure".
IIIC
Group IIIC (conductive dust)
T=50°C
Maximum surface temperature.
X
Special requirements apply.
3
Technical data
Item
Max supply voltage
Internal fuse (for inputs)
External fuse (solenoids)
Terminal wire range
Wire Strip Length
Flammability Rating
4
Special requirements X
To fulfil the necessary requirements for the category 3D marking "X", the following special
requirements must be met:
Description
30 VDC
250 mA (fast act.)
max 5 A
1,5-0,15 mm² (AWG 26-14)
10 mm (0.39 in.)
UL 746C 5V (Enclosure)
Terminal Box EX
EN
English
User Manual
7