Water Treatment | Low Voltage Power Connection Up To 1250 A

Published 20 Apr 2023

Marechal Plugs & Sockets

Water Treatment Industry

Thorne & Derrick, Experts in Equipment for Explosive Atmospheres, are Specialist Distributors of Marechal plugs and sockets in the UK including ATEX and IECEx certified decontactors for LV electrical power distribution.

Marechal plugs and sockets (decontactors) provide low voltage power supply for high current, high temperature and hazardous area (Zone 1 & Zone 2) ATEX power distribution applications – this includes power plugs for electric generator sets, motors, machines, distribution boxes, pumps and electric cabinets.

The range of plugs and sockets are used in various industries globally including mining, oil & gas, offshore, water treatment and petrochemical as well as other areas that require a guaranteed safe electrical connection.

SOLUTIONS ADAPTED TO HARSH ENVIRONMENTS

GUARANTEED SAFETY

Safely disconnect your installation before intervention.
Facilitate the compliance of your electrical machines and equipment with the ‘’Machine’’ European Directive.
Protect operators from electrical accidents.
Protect against electric shock.

EFFICIENT FACILITY MANAGEMENT

Reduce intervention and production downtime.
Reduces the risk of phase reversal, damage to cables.
Allows signal transmission and electrical control (up to 4 auxiliary contacts).

ROBUST AND DURABLE SOLUTIONS

Withstands harsh outdoor environments:
- Dust, humidity, extreme temperatures,
- Corrosion (salty environment, H2S etc.),
- Mechanical impacts, vibrations in the vicinity of rotating machines (on gangways, etc.),
- IK09 (poly version), IK10 (metal version).

PRODUCTS FOR MULTIPLE APPLICATIONS

DEGREASING AND GRIT REMOVAL

TREATMENT OF SAND AND GREASE

SLUDGE TREATMENT

AERATION AND BIOLOGICAL TREATMENT

DECONTACTOR™ BENEFITS

The power socket-outlet with built-in switching function called DECONTACTOR™ allows connection and disconnection of pumps up to 250 A (110 kW), even for hazardous areas.

Safe local breaking function and option for signal transmissions (temperature sensor and remote contacting).

Exceptional connection quality thanks spring-mounted crimped braid and butt contacts with silver-nickel tips.

Elastic ring connection terminals that prevent loose wires due to variations in temperature, vibration or damage of the conductors.

No access to live parts of the socket-outlet (IP4X).

Padlocking facility for strict compliance with LOTO procedures.

Automatic IP66/IP67/IP69.

Thermoplastic and metallic materials that resist to harsh conditions (mechanical, chemical, environmental).

Marechal Decontactors

OPTIMISED MAINTENANCE MANAGEMENT

All-in-one : motor power and control
Integrated local control selector
Suitable for local emergency breaking
MARECHAL® DECONTACTOR™ (from 16 A to 250 A)

Marechal EVO

Main Features:

Switching capacity 18,5 kW

Padlockable
IP66/IP67/IP69 sealing in ON or OFF position and separated position with caps
IP4X on source side
Up to 6 poles + earth
Electrical endurance 15 000 cycles*
Umax : Operational voltage 690 V
Ithe : Conventional enclosed thermal current 40 A
Shock resistance (IEC 62262) IK09
Ambient air temperature – 25 °C/+ 60 °C

* In AC-23A 690 V AC/40 A service operation.

IEC/EN 60947-1/-3/-4/-5 :

Low-voltage switchgear and control gear: Switches, disconnectors, switch-disconnectors and fuse-combination units.

Facilitates compliance: – of electrical machinery to the European Machinery Directive 2006/42/CE, to EN 12100 and EN 60204-1 standards, – of electrical installations to IEC/HD 60364 and NF C 15-100 standards.

DECONTACTOR™ 63 A – 4 AUXILIARIES

Example of connection of a DSN6 (3P+E+4 aux.)

Example of connection of a DSN6 (3P+E+4 aux.)

Marechal Distributors

Marechal

Thorne & Derrick have been appointed as official distributors of Marechal plugs & sockets in the UK, as of the 1^st of March 2023. Our demonstrated knowledge and expertise in the industry enables us to deliver the complete Marechal product offering in both Industrial and Hazardous Areas.