Page 87 - Softbound_Edition_19_en

Solenoid
Solenoids MKZ45 Solenoids 103 MKZ45 5 6
72 4
Ex ia I Ma 3 MDZ45
DIMENSIONS Solenoid coil M.Z45 Ex ia II C T5/T6 Ga 3 6
for explosion hazard zones 4
ATEX und IECEx certified II 1 G Ex ia IIC Ga T6, T5 94
Protection class IP65
NPT 1/2“ I M1 Ex ia I Ma 45 29.3 22.15 29.3

42 93,3 1.3 100 1.3 43.1 2 1 2 1
DESCRIPTION FUNCTION APPLICATION
22 18,2 The solenoid coil for explosion hazard areas in The winding resistance can be adapted to The solenoid coil is certified as a device of the
Ø the ignition protection type «intrinsically safe» the intrinsically safe electric power supply uti- device groups I+II, category 1. This signifies
Ø
22,5 is utilised on solenoid spool valves. lised, in the range of 20...1000 Ω. With 100 Ω that the devices are suitable for utilisation in
or 152 Ω coil resistance it is adapted to the areas with explosive gas -, vapour -, mist - and
MBZ45
20°
recommended electric power supplies. Three air mixtures of the zones 0, 1 and 2 as well as MDZ45
1,4 diodes connected in parallel with the winding in mining applications.
60 45 serve to render the inductivity ineffective, and Intrinsically safe valves are used in:
CHARACTERISTICS a diode connected in series serves as a pro- – the shipping- and offshore industries
Coil winding isolation class H 12 VDC tection against reverse polarity. The electrical – the oil- and gas industries 86
Protection class Nominal power (W) 17 minimum values for a secure operation can – the chemical industry 56
in acc. EN 60529 IP65/67, with corresponding cable gland Nominal resistance (Ω) 8,5 be taken from the corresponding data sheet – the mining application
and correct installation Recommended rated 3'150 of the valve.
Relative duty factor 100 % DF, combined with armature tube current for fuse inserts (mA) CERTIFICATES
and valve Limiting current (mA) 1'000
Reference temperature Execution L17: (Proportional function) in accordance with Surface Mining
-40…+70 °C (Operation as T1…T4) 24 VDC
Housing Steel housing, Zinc-/Nickel-coated ATEX / UKEX x x
NEMA 4X Nominal power (W) 17 IECEx x x
Relative humidity factor max. 95 % (not dew-forming) Nominal resistance (Ω) 34 MGZ45
Corrosion protection Salt spray test in accordance with Recommended rated 1'600 CCC x x MJZ45
EN ISO 9227 > = 1000 hours current for fuse inserts (mA)
Maximum operating Limiting current (mA) 510 The certificates can be found on www.wandfluh.com / DOWNLOADS / Accompanying Ex-proof / M.Z45
voltage Nominal voltage +10 % (Proportionalfunktion)
Nominal frequency in acc. with name plate ±2 % TYPE CODE 72 78
Standard U = 12 VDC 115 VAC M Z 45 - - #
N
nominal voltages U = 24 VDC Nominal power (W) 17
N
U = 115 VAC Nominal resistance (Ω) 607 Mobile type, metal housing
N
Standard- Recommended rated 400
nominal powers P = 17 W current for fuse inserts (mA) Terminal box with cable screw connection M20x1,5 K
N
Electrical connection Screw terminal DIN D
Wire diameter 0,75...2,5mm / 20...14 AWG Other connectors on request
2
Explosion proof execution , Ex ia
45 mm square housing MKZ45
MKZ45 103 5 6
72 4
Coil resistance 100 Ω 3 100
152 Ω 152 MDZ45
3 6
Temperature range -25° C to... 4
-40° C to ... M224
94 -60° C to ... on request
22.15
29.3
45 29.3 Design-Index (Subject to change)

1.3
1.3 DIMENSIONS 2
100 43.1 1 2 1
Type MKZ45 Type MDZ45
OPERATION SECURITY ACCESSORIES
The solenoid coil must only be put into operation, if the require- – The operating instructions MKU45/18x60 is supplied in German, MKZ45 103 MKZ45 5 6
ments of the operating instructions supplied are observed to English and French (download under www.wandfluh.com 72 4
their full extent. MBZ45 3 MDZ45
In case of non-observance, no liability can be assumed. – Certificate / ATM MDZ45
(download under www.wandfluh.com) 3 6
A corresponding fuse in accordance with its design current 4
has to be connected in series as short-circuit protection for 86 94
every solenoid coil.
45 29.3 22.15 29.3 56
INSTALLATION
For stack assembly please observe the remarks in the operating
instructions. 1.3 1.3 2
100 43.1 1 2 1
Wandfluh AG Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com Illustrations not obligatory Data sheet no. Wandfluh AG Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com Illustrations not obligatory Data sheet no.
Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 1.1-184E 2/2 Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 1.1-185E 1/2
CH-3714 Frutigen Edition 22 03 MBZ45 CH-3714 Frutigen MGZ45 Edition 22 11
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