nVent RAYCHEM JBM-100-L-EP power connection junction box Maximize

nVent RAYCHEM JBM-100-L-EP power connection junction box

nVent RAYCHEM JBM-100-L-EP multiple entry power connection junction box with earth plate, stud and LED (power on) indication. Designed to connect power, via armoured cable, 100-254 Vac, to three Raychem BTV, QTVR, XTV, KTV or VPL heat trace heating cables. It can be directly mounted to a pipe or surface directly via and integral stand and is approved by PTB, FM and CSA for hazardous area use


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JBM-100-L-EP kit is designed to connect power via armoured cable to up to three Raychem BTV, QTVR, XTV, KTV or VPL industrial parallel heating cable. It is approved by PTB, FM and CSA, for use in hazardous locations.

JBM-100-L-EP integrates the functions of both connection kits and insulation entries. The rugged stand protects the heating cable and allows for up to 100 mm (4") of thermal insulation. The core sealing boot does not require a heat gun or torch for the installation (no hot work permit necessary). The non-curing sealant (silicone free) in the boot allows easy installation and facilitates maintenance.

Innovative CAGE CLAMP® terminals from WAGO provide fast installation and safe, reliable, maintenance free operation.

nVent RAYCHEM JBM-100-L-EP kit includes
1 xjunction box with terminals, earth plate and external earth stud
1 xlight module (LED - green)
1 xstand
3 xcore sealer
3 xgreen/yellow earth sleeve
2 xM25 stopping plugs
1 xpolywater sachet
1 xspanner
1 xstrain relief assembly
2 xgrommet plugs
1 xinstallation instructions


JBM-100-L-EP approval details
Area classificationHazardous area, zone 1, zone 2 (Gas), zone 21, zone 22 (Dust)
ATEX approvalsPTB 09 ATEX 1059 U
ATEX markings Ex II 2G Ex e (e mb) II
 Ex II 2D Ex tD (tD mbD) A21 IP66
 IECEx PTB 09.0037U
 Ex e (e mb) II
 Ex tD (tD mbD) A21 IP66
 CSA – Ex em II T*
 DNV Certificate No E-8933 and E-8934
JMB-100-L-EP enclosure details
Enclosure materialElectrostatic charge-resistant glass filled engineered polymer, colour BLACK
Ingress protectionIP66/IP67
SealSilicone rubber
Lid screwsStainless steel
Earth continuity plateSteel, zinc plated and blue chromate
Operating temperature-40°C to +40°C ambient
LED indicatorGreen
LED power consumption≤1 W
JMB-100-L-EP technical specification
Heating cable capabilityBTV-CR, BTV-CT, QTVR, XTV, KTV & VPL
Entries2 x M25 (threaded) 
Installation temperature-50°C minimum
TerminalsSpring-type (1 phase, 1 neutral, 1 earth)
Max. conductor size10 mm² stranded, 10 mm² solid
Operating voltage100 - 254 Vac
Max. continuous current40A heating cable circuit
Weight2.5 kg