|Storage temperature||From -40°C to +200°C in accordance with ATEX certification|
|Material in contact with process fluid||Same as disc and disc holder|
|Max switching voltage||60 VDC|
|Max switching current||0,4 A|
|Cable||2 x 0.2 mm2,ø 3.4 mm, 200°C, Class C2|
|Degree of protection||IP 67|
|Rupture disk||DCD, DIF, LPD, SCD, SCR, Y90, KRD|
Donadon magnetic NAM 03/HT rupture indicators are recommended for use with our rupture discs.
The NAM 03/HT indicator is composed of:
When the disc opens the magnet is displaced and the sensor activates. Replacement discs are supplied with a new target.
NAM 03/HT is an intrinsic safety device certified
Ex tD A21 IP67 T135°C/T85°C
Ex iaD 20 T200°C/T85°C
It can therefore may be used in locations where potentially explosive atmospheres are continually present (classified zones 0, 20 and 1, 21 and 2, 22 according to European Directive 94/9/EC (ATEX)).
NAM 03/HT is normally supplied with 2 metres of bipolar cable. The cables of the alarm system must be connected to the plant’s safety system through an adequate safety barrier.