nVent RAYCHEM JB-EX-21 trace heating junction box Maximize

nVent RAYCHEM JB-EX-21 trace heating junction box

nVent RAYCHEM JB-Ex-21 is a multiple entry power connection junction box. Designed to connect power, via armoured cable, 100 - 254 Vac, to six Raychem industrial heat trace heating cables. It can be mounted to a pipe or appropriate surface via an appropriate support bracket and is approved by PTB for use in ATEX hazardous areas.

 

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JB-Ex-21 is a multiple entry power connection junction box. Designed to connect power, via armoured cable, 100 - 254 Vac, to six Raychem industrial heat trace heating cables. It can be mounted to a pipe or appropriate surface via and appropriate support bracket and is approved by PTB for use in ATEX hazardous areas.

JB-Ex-21is typical used as a power supply, end box, splice box (3 phase and loop) or marshalling box. It may be used to connect power cable to up to six Raychem industrial heat trace heating cables or cold lead cables using M20 connection kits. 

nVent RAYCHEM JB-Ex-21  kit includes:
1 xJunction box with spring type terminals, mounted on DIN rail
4 xM20 stopping plugs
2 xM20 rain plugs (temporary)
1 xM32 stopping plug
1 xterminal jumper allowing various wiring configurations
  
JB-EX-21 technical details:
Area classificationHazardous area, zone 1, zone 2 (Gas), zone 21, zone 22 (Dust)
ATEX approvalsPTB 00 ATEX 1002
ATEX marknigEx II 2G Ex edm ia {ia} IIC T6, T5 and T4
 Ex II 2D Ex tD A21 IP66 T85°C, T100°C and T135°C
 IECEx PTB 08.0004
 Ex e ia, IIC T6, T5, T4
 Ex tD A21 IP66 T85°C
  
JB-Ex-21 enclosure details:
Enclosure materialElectrostatic charge-resistant glass filled engineered polymer, colour BLACK
Ingress protectionIP66
SealSilicone rubber
Lid screwsStainless steel
Earth continuity plateNot applicable
Operating temperature-55°C to +55°C ambient
  
JB-EX-21 technical specification:
Heating cable capabilityFMT, FHT constant wattage heating cable, PI & MI series heating cables
Entries6 x M20, 1 x M32
Installation temperature-50°C  (minimum)
Terminals6 x Spring-type
Max. conductor size10 mm² stranded, 10 mm² solid
Operating voltagemax 550 Vac
Max. operating current53A
Weight1.2 kg