thuba PTB 24 ATEX 1002 X Manuel page 17

Manual
PTB 24 ATEX 1002 X
3.3 Degree of protection on connection
boxes and connection techniques
Protection by enclosure IP 54 or IP 66
(in accordance with EN 60529)
3.4 Permissible ambient temperatures
Depending on the heating cables used and their
additional components.
3.5 Type code
3.5.1 Self-limiting trace heating systems, type
HTSA, with stabilized design
HTSA ** *** * - **
Rated voltage
2 = up to 277 V
4 = up to 480 V
Heating cable type
(VPL, BTV, XTV, QTVR, HTV)
Output at 10 °C in W/ft
2)
CR Polyolefin jacket (type BTV)
CT Cooper braid and anti-corrosion sheath
(type XTV)
CT Fluoropolymer jacket (type BTV)
T Fluoropolymer jacket (type QTVR, VPL)
C Tinned copper braiding (type (Typ QTVR, VPL)
3.5.2 Trace heating system with monitored
design HTSB
3.5.2.1 Types FMT and FHT
HTSB ** *** * - **
Rated voltage
2 = up to 277 V
4 = up to 415 V
Heating cable type
(FMT, FHT)
Output at 10 °C in W/f
3)
CT Cooper braid and anti-corrosion sheat
(Typ XTV)
Edition May 2024
Copyright
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PTB 24 ATEX 1003 X
2)
Material index
3)
Material index
thuba Ltd., CH-4002 Basel
Switzerland
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