ASCO EM/WSEM | Ex e mb Increased Safety Encapsulated ATEX IECEx Solenoid Valve Operators

ASCO EM WSEM | Ex e mb Increased Safety Encapsulated ATEX IECEx Solenoid Valve Operators

ASCO EM/WSEM Solenoid Operators

EX E MB INCREASED SAFETY & ENCAPSULATED

ASCO EM/WSEM explosion proof solenoid valve operators are ATEX certified for installation in potentially explosive atmospheres located in hazardous areas.

The solenoid operators with Increased Safety and Encapsulation IEC explosion protection techniques. They are suitable for use in hazardous areas with exposure to gas, classified as Zone 1.

Hazardous Area Classification & Ex Safety Code

ATEX Solenoid Valves

II 2G Ex e mb IIC T6..T3 Gb
II 2D Ex tb IIIC 85°C..200°C Db IP66/67

EC type certificate KEMA 98ATEX2542 X and IECEx certificate (IECEx KEM 08.0002X). IP66/67 ingress protection.

The Ex e mb solenoid operators used in conjunction with valves are compliant with International and European Standards EN-IEC 60079-0, EN-IEC 60079-7, EN-IEC 60079-18 and EN-IEC 60079-31 and also certified for use in potentially explosive atmospheres according to ATEX-Directive 2014/34/EU.

ASco EM/WSEM operators – features

Ingress Protection Rating: IP66/67
The solenoid operators have a zinc-plated steel (EM) or stainless steel (WSEM) enclosure which features integral strain relief for cable with an O.D. of 7 to 12 mm
ASCO EM/WSEM are easily installed with a screw terminal coil
Peak voltage suppression is standard for DC executions
A range of solenoid valves can be supplied with the Ex e mb operator

asco wBLp operators – CONSTRUCTION

Solenoid enclosure	EM – Zinc plated steel (epoxy coated) WSEM – stainless steel, AISI 316
Cable gland	PA, M20 x 1.5
Core, core tube and plugnut	Stainless steel
Shading coil	Copper or silver
Nameplate	Polyester
Coil connection	Embedded screw terminals
Safety code	II 2G Ex e mb IIC T6..T3 Gb II 2D Ex tb IIIC 85°C..200°C Db IP66/67

ELECTRICAL CHARACTERISTICS & Connections

Standard voltages:

DC (=) : 24V – 48V
AC (~) : 24V-48V-115V-230V / 50 Hz 24V-48V-100V-115V-200V-230V / 50-60 Hz
Features an internal and an external earthing connection
The ASCO EM/WSEM operator can be rotated through 360° to select the best position for cable entry

TEMPERATURE CLASSIFICATION

asco em/wsem

AC (~) Solenoids

Pn (watt)	Solenoid Size			Maximum Ambient Temperature °C
	M6	MXX	M12	Surface Temperature
	M6	MXX	M12	T6 85°C	T5 100°C	T4 135°C	T3 200°C
Insulation Class F (155°C) 100% E.D.
1.2*			◊	60	75
1.5*		◊		40	55
1.85*			◊	40	55
3.7*			◊	40	55	75
5.8*			◊		40	75	–
6.0	◊						40
9.0	◊						40
10.0*		◊					40
10.0*			◊			40	65
10.5		◊					40
13.0		◊					40
13.6*			◊				40
14.1*			◊				40
16.5			◊				40

* AC (~): rectified coil construction

DC (=) Solenoids

Pn (watt)	Solenoid Size			Maximum Ambient Temperature °C
	M6	MXX	M12	Surface Temperature
	M6	MXX	M12	T6 85°C	T5 100°C	T4 135°C	T3 200°C
Insulation Class F (155°C) 100% E.D.
1.3			◊	60	75
1.7		◊		40	55
1.8			◊	40	55
3.6			◊	40	55	75
5.7			◊		40	75	–
9.7	◊						40
10.0			◊			40	65
11.2		◊					40
14.0			◊				40
15.3	◊						40
16.8			◊				40
19.7			◊				40

ex e mb sOLENOID operator ORDERING INFORMATION

The valve supplied with the explosion proof operator will be identified with prefix EM/WSEM before the catalogue number. For example:

*Electrical interface
MV = EM
MW = WSEM
MT = EMET
MS = WSEMT
MN = EMT
MU = WSEMET

dimensions

TYPE EM/WSEM
Prefix “EM”/”WSEM” solenoids / Electrical interface MV/MW/MT/MS/MN/MU
Pull-type solenoid operator
Metal enclosure, epoxy coated or stainless steel
EN-IEC 60079-7, EN-IEC 60079-18 and EN-IEC 60079-31
II 2G Ex eb mb IIC Gb, II 2D Ex tb IIIC Db IP66/67

ASCO EM WSEM

Solenoid Valve Series/Size	A	B	C	D	E	Weight
EM/WSEM-M6	77 mm	120 mm	82 mm	26 mm	64 mm	0.48 kg
EM/WSEM-MXX	77 mm	120 mm	82 mm	23 mm	62 mm	0.55 kg
EM/WSEM-M12	77 mm	120 mm	82 mm	21 mm	65 mm	0.67 kg

TYPE EM/WSEM
Prefix “EM”/”WSEM” solenoids / Electrical interface MV/MW/MT/MS/MN/MU
Push-type solenoid operator
Metal enclosure, epoxy coated or stainless steel
EN-IEC 60079-7, EN-IEC 60079-18 and EN-IEC 60079-31
II 2G Ex eb mb IIC Gb, II 2D Ex tb IIIC Db IP66/67

Solenoid Valve Series/Size	A	B	C	D	E	Weight
EM/WSEM-M6	77 mm	120 mm	82 mm	25 mm	63 mm	0.50 kg
EM/WSEM-MXX	77 mm	120 mm	82 mm	31 mm	69 mm	0.59 kg
EM/WSEM-M12	77 mm	120 mm	82 mm	30 mm	73 mm	0.70 kg