Marechal DS7C3 Star-Delta Motor Connectors – AC-22 50A 500V
motor connectors
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.
Marechal DS7C3 motor connectors
Technical Specification
| Rated Current (with wiring according to standard) | 50A |
| Maximum Voltage | 500V |
| Ingress Protection Lid Closed | IP55 |
| Ingress Protection Connected Plug | IP54 |
| 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 Positions | 5 |
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
Marechal DS7C3 Plug Assembly manufactured from metal with IP55 protection and 50amp current supply is configured using associated wall mounting socket, plug, wall box, outlet, inlet and handles.
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
Marechal DS7C3 Motor connectors
| Marechal Part Number | Marechal DN9C | Marechal DS7C3 |
| Imax per phase | 30 Amp | 50 Amp |
| Umax | 415 V | 500 V |
| AC-22 switching capability | 30 A / 415 V | 50 A / 500 V |
| Same Dimension as | DN1 | DS6 |
| Auxiliary contacts (max) | 2 | 3 |
| Keying Positions (To distinguish between different power supplies & applications) | 2 | 5 |
| Ambient Temperature | -40 °C to +60 °C for all | |
| Wiring (terminals) | screw-type | |
Marechal DS7C3 – Socket Outlets & Inlets
| Umax (V) / lmax (A) | Polarity | Marechal Socket Outlet (Female) DS7C3 50A | Marechal Inlet (Male) DS7C3 50A |
| 500 / 50 | 6P+E | 3934561 | 3938561 |
| 500 / 50 | 6P+E+3 aux | 3934561972 | 3938561972 |
Power Distribution & Control In Hazardous Areas
T&D also distribute hazardous area isolators, control panels and distribution boards, electrical enclosures and motor starters certified according to ATEX for use in Zone 1 & Zone 2 (gas/vapour) explosive atmospheres.
Marechal DS7C3 Star-Delta Motor Connector – AC-22 50A 500V
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