Marechal DS7C3 Star-Delta Motor Connectors – AC-22 50A 500V

Marechal DS7C3 Star-Delta motor connectors have current ratings of 50A with the ability to connect motors with two operating speeds.

CategoryATEX Plugs, Sockets & Connectors
  • Quoted to your quantity
  • Documentation on request
  • International delivery

Product Overview

marechal ds7c3

Marechal DS7C3 Star-Delta motor connectors have current ratings of 50A with the ability to connect motors with two operating speeds.

Marechal DS7C3 motor connectors guarantee the safety of personnel throughout an operation on the load (motor load or highly inductive) and a maximum voltage of 500 V.

Technical Specification

Load Break Capability of Connector

  • Comply with IEC EN 60309-1 and IEC EN 60309-4 standards – 50 A / 500 V
  • Load-break capability according to IEC EN 60947-3 / AC-22 : – 50 A / 500 V

A full range of boxes, sleeves, handles, adaptors and accessories can also be supplied. Marechal’s Star-Delta range of plugs and sockets are suitable for rated currents from 30A up to 50A and maximum voltage from 415V-500V

Technical Specifications

CategoryATEX Plugs, Sockets & Connectors
Rated Current (with wiring according to standard)50A
Maximum Voltage500V
Ingress Protection Lid ClosedIP55
Ingress Protection Connected PlugIP54
Impact Resistance (poly casing)IK08
Impact Resistance (metal casing)IK09
Ambient Temperature-40ºC to +60ºC
Flexible Wiring (Min-Max)2.5mm² – 10mm²
Stranded Wiring (Min-Max)2.5mm² – 16mm²
Pre-wired auxiliary contacts (5 A)screw-type
Keying Positions5
Marechal Part NumberMarechal DN9CMarechal DS7C3
Imax per phase30 Amp50 Amp
Umax415 V500 V
AC-22 switching capability30 A / 415 V50 A / 500 V
Same Dimension asDN1DS6
Auxiliary contacts (max)23
Keying Positions (To distinguish between different power supplies & applications)25
Ambient Temperature-40 °C to +60 °C for all
Wiring (terminals)screw-type
Umax (V) / lmax (A)PolarityMarechal Socket Outlet (Female) DS7C3 50AMarechal Inlet (Male) DS7C3 50A
500 / 506P+E39345613938561
500 / 506P+E+3 aux39345619723938561972

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