ATEX Detectors, Control & Distribution Units Zone 1 & Zone 2 Increased Safety Junction Box Ex e – Eaton MEDC JB10 & JB11

ATEX Control & Distribution Units

Zone 1 & Zone 2

Eaton JB10 & JB11 are ATEX control & distribution junction boxes have been designed for use in hazardous and hostile environments in ATEX & IECEx Zone 1 and Zone 2 hazardous areas.

The robust design, coupled with corrosion-free GRP and high ingress protection, ensure a long life, low maintenance product.

Eaton MEDC JB10 & JB11

ATEX Detectors, Control & Distribution Units

Zone 1 & Zone 2

ATEX

Features

Zone 1 & 2 use.
UL listed for USA and Canada
- Class I, Div 2, Groups A-D
- Class I, Zone 1, AExe IIC T4 & T5
Exe II T4, T5 & T6.
ATEX approved Ex II 2G.
IECEx certified.
IP66, IP67, NEMA 4x & 6,.
Certified temperature: –50°C to +55°C*.
Corrosion free GRP.
Lightweight.
Robust.
Retained cover screws.
Optional gland continuity plate.
Optional internal conductive coating.
Variety of colours available.
Mixed rail mounted terminals.

*Depending on version.

Eaton MEDC JB10 & JB11 – Dimensions

Eaton MEDC JB10 & JB11 – Terminals

Terminal type/size	Max no. of terminal		Each terminal	Max voltage (V)	Max current (A)	T rating at +55°C(+40°C)
Terminal type/size	JB10	JB11	Each terminal	Max voltage (V)	Max current (A)	T rating at +55°C(+40°C)
SAK2.5	10	16	EK4	550	15	T4 (T6)
SAK4	9	15	EK4	550	21	T4
SAKK4	8	13	EK4	275	28	T4
SAK6N	7	12	EK4	550	26	T4
SAK10	5	9	EK10	550	37	T4
SAK16	–	7	EK16	550	47	T4
AKZ2.5	11	19	AKE2.5	60	15	T4 (T6)
UK2.5N	9	15	USLKG5N	550	15	T4 (T6)
UK5N	7	14	USLKG5N	418	21	T4
UK10N	4	9	USLKG10N	550	37	T4
UK16N	3	7	USLKG16N	550	47	T4
MK6/6	6	6	Internal earth stud	418*	26	T5
BK4	4	–	Internal earth stud	275	21	T5

*275V if fitted with QB2 or QB4 cross connection links

All junction boxes will be supplied with an internal earth terminal appropriate to the terminals fitted.

If more than one internal earth terminal is required the maximum number of feed-through terminals must be reduced.

MEDC JB10 gland details

Gland entries	Maximum no.of gland entries sides 1 & 3	Maximum no.of gland entries sides 2 & 4		Maximum no. gland entries (base)
Gland entries	With or without earth continuity	With earth continuity	Without earth continuity	With or without earth continuity
M16	2	2	2	2
M20	2	1	2	2
M25	2	1	1	N/A
M32	1	1	1	N/A

MEDC JB11 gland details

Gland entries	Maximum no.of gland entries per side with or without earth continuity	Maximum no.of gland entries (base) with or without earth continuity
M16	2	4
M20	2	4
M25	2	N/A
M32	1	N/A

MEDC JB10 & JB11 Hazardous Area Control & Distribution Units

Technical Specification

Hazardous Area Certifications
ATEX	Cert. no. Baseefa 12ATEX0039X Certified to: EN60079-0, EN60079-7 Ex II 2G, Ex e IIC T4/T5/T6 Gb
IECEx	Cert. no. IECEx BAS 12.0029X Certified to: IEC 60079-0, IEC 60079-7 Ex e IIC T4/T5/T6 Gb
UL	Cert No. E237592 Class I, Div. 2, Groups A, B, C & D Class I, Zone 1, AEx e IIC, Ex e IIC
Specifications
Material	Glass reinforced polyester (anti-static) stainless steel cover screws
Finish	Natural black or painted to customer’s specification
Certified temp	-50°C to +55°C
Weight	JB10, 1.1 Kg. JB11,1.8 Kg
Ingress protection	IP66 and IP67
Gland continuity	Via an internal BZP (bright zinc plated) steel plate

EATON MEDC JB10 & JB11 – ORDERING REQUIREMENTS

The following code is designed to help in selection of the correct Eaton hazardous area control & distribution unit with ATEX approval and certification. Build up the part number by inserting the code for each component into the appropriate box.

Eaton MEDC JB10 & JB11 – Ordering Requirements

ATEX Detectors, Control & Distribution Units

High Voltage Electrical Equipment

To support the safe and reliable distribution of Medium & High Voltage Electricity in industrial non-hazardous and hazardous area locations, Thorne & Derrick distribute a complete range of MV HV Electrical Connectors, Joints & Terminations including ATEX Certified variants for installation in Zone 1 & Zone 2 explosive atmospheres.