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IM 60A02S01-01E-A

2.6.2 CENELEC ATEX Certification

1) Technical Data

a. CENELEC ATEX Intrinsically Safe/CENELEC ATEX Flameproof/

CENELEC ATEX Non-Incendive Type

Caution for CENELEC ATEX Intrinsically Safe/CENELEC ATEX Flameproof/ CENELEC

ATEX Non-Incendive Type.

Note 1. Model MLX Loop Process Indicators with optional code /KU21 applicable for use

in potentially hazardous locations:

• Certificate No. ITS13ATEX27856X

• Certificate No. ITS13ATEX17857

• Certificate No. ITS13ATEX47858

• Applicable Standard: EN 60079-0:2009, EN 60079-11:2007, EN 60079-26:2007

• Type of Protection and Marking code:

II 1G Ex ia IIC T4 Ga

II 2G Ex d IIC T4 Gb

II 2D Ex tb IIC T135 Db

II 3G Ex nA IIC T4 Gc

• Tamb. –40°C to 80°C

• Enclosure rating: IP66 and IP67

Note 2. Electrical Data

• In the case where the type of explosion protection is intrinsically safe, Ex ia IIC

T4 Ga, only connect to a certified intrinsically safe circuit with the following maximum

values:

Ui = 24 V

Ii = 150mA

Pi = 0.65 W

Effective internal capacitance; Ci = 0

Effective internal inductance; Li = 0

Note 3. Wiring

• For an ambient temperature ≥70°C, heat resistant cables shall be used with a

rating of at least 20°C above the ambient temperature.

• All wiring shall comply with local installation requirements. (Refer to the

installation diagram)

Note 4. Installation

• Observe WARNING on nameplate. (Refer to the installation diagram)

WARNING: AFTER DE-ENERGIZING, DELAY 5 MIN BEFORE OPENING

COVER.

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Yokogawa MLX Manuel d'utilisateur Page 15