Molex T90 ATEX Zone 2 M23 Circular Connector (12-Pin)

The Molex 1200850120 is a 12-pin M23 circular connector from the T90 ATEX-certified series, designed specifically for electrical connections in Zone 2 hazardous areas (explosive gas atmosphere IIC, temperature class T5) and Zone 22 hazardous dust environments as defined by IEC 60079-0, IEC 60079-15, and the ATEX Directive 2014/34/EU. The M23 circular format with 12 contacts provides sufficient pin count for combined power (3-phase + PE), control signal, and thermistor/PTC thermal protection wiring in a single connector — the configuration used for IEC 60034-conforming motor connections to variable speed drives, soft starters, and direct-on-line starters in Zone 2 pump rooms, compressor buildings, and fan houses at ARAMCO and SABIC hazardous process facilities. The Ex ec (increased safety) construction eliminates sparking risk at the connector level even during hot-plug operation in the presence of flammable atmospheres, using the creepage and clearance dimensions, contact gap design, and enclosure material specification of IEC 60079-7.

The 1200850120 shell is constructed from PA12 glass-fibre reinforced engineering polyamide with stainless steel locking ring hardware, providing resistance to the chemical attack from hydrocarbons, H₂S, mercaptans, and amine solutions encountered in sour gas processing and refinery environments. The IP68 ingress protection rating (tested to 1 m depth for 30 minutes per IEC 60529) exceeds the IP65 minimum required by ATEX Zone 2, providing a safety margin that sustains connector performance even in partially flooded pump pit installations or water-wash cleaning scenarios at ARAMCO facilities. The 12 contacts are gold-plated with a current rating of 16 A per contact and a voltage rating of 630 V, supporting both the motor terminal wiring and the PLC/DCS digital output signal circuits that share the connector in VSD-driven pump and fan applications.

In Saudi Arabia, Zone 2 classified areas dominate the footprint of ARAMCO's GOSPs, NGL fractionation plants, LPG storage areas, and the Jubail and Yanbu petrochemical complexes. The T90 ATEX Zone 2 M23 connector is the preferred circular connector for motor lead connections at these sites because it allows variable speed drive output cables to be disconnected from the motor terminal box quickly and safely for motor insulation resistance (IR) testing during planned maintenance shutdowns — a procedure required by ARAMCO Electrical Maintenance Procedure EMP-100 — without the 30–45 minute conduit disassembly and rewiring required with traditional cable gland and terminal block connections. The connector's ATEX IIC Group qualification covers the most ignition-sensitive hydrogen (Group IIC) atmosphere classification, ensuring suitability for use at ARAMCO's Hydrogen Plant Uthmaniyah and SABIC's hydrogen compression facilities without additional zone assessment.

Razz Middle East distributes the Molex T90 ATEX connector range with full ATEX certification documentation including EU Declaration of Conformity, ATEX certificate of conformity (INERIS or TÜV), and IECEx certificate numbers required for inclusion in ARAMCO Material Receiving Inspection (MRI) packages. Our hazardous-area electrical team provides zone classification review, connector selection per IEC 60079-14 installation standard, and cable assembly specification for T90 ATEX connector applications at ARAMCO and SABIC sites. We hold local stock in Dammam and provide nationwide delivery across Saudi Arabia.