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Application Scenarios:
In a motor control center (MCC) in a Taiyuan steel plant, the 193‑ECPM3 is used to mount a 193‑EC electronic overload relay directly onto the MCC door. This allows operators to view the relay’s LCD display and adjust the Full Load Amps (FLA) setting without opening the energized MCC compartment, enhancing safety and convenience for motor maintenance.
Parameter:
| Main Parameters | Value/Description |
|---|---|
| Manufacturer | Allen‑Bradley (Rockwell Automation) |
| Part Number | 193‑ECPM3 |
| Product Type | Mounting Adapter Kit (Mechanical Bracket) |
| Compatibility | Bulletin 193‑EC Electronic Overload Relays: • 193‑EC1, 193‑EC2, 193‑EC3, 193‑EC4, 193‑EC5 |
| Mounting Styles | Panel Mount (via drilled holes) DIN Rail Mount (35 mm top-hat rail) |
| Contactor Compatibility | Designed for use with Bulletin 193‑C contactors: • Sizes C60, C65, C70, C75, C80, C85 |
| Current Rating | Dependent on the attached 193‑EC relay (e.g., 0.4‑5000 A range) |
| Electrical Rating | 600 V AC maximum (dictated by relay) |
| Material | Engineering plastic (UL 94 V‑0 rated) |
| Operating Temp. | ‑25 °C to +60 °C (typical for panel env.) |
| Standards | UL 508, CSA, CE (as part of the assembly) |
Technical Principles and Innovative Values:
- Innovation Point 1: Decoupled Mounting for Enhanced Accessibility. Traditional overload relays are often mounted directly on the contactor, which can be buried deep inside a panel. The 193‑ECPM3 introduces a “remote mount” capability, allowing the intelligent 193‑EC relay to be separated from the power contactor. This enables designers to place the relay on the panel door where its display and buttons are accessible, while the contactor remains fixed to the backplate for thermal management. This improves human-machine interaction (HMI) for motor control.
- Innovation Point 2: Universal Mounting Flexibility. This single adapter kit supports both panel mounting (via screws) and DIN rail mounting, providing significant flexibility during panel build and field retrofits. It eliminates the need for custom brackets or fabrication, speeding up the installation of 193‑EC relays in diverse panel environments, from large MCCs to small standalone enclosures.
- Innovation Point 3: Integrated Interlock and Alignment. The adapter is designed with precision alignment features that ensure the 193‑EC relay snaps securely into place and maintains proper alignment with the contactor’s trip actuator mechanism (when used in a remote configuration). This mechanical design ensures reliable operation and prevents misalignment that could cause failure to reset or trip.
