Allen-Bradley 193-EF2A Electronic Overload Relay
$123.00
$320.00
Description
Allen-Bradley 193-EF2A Electronic Overload Relay
The Allen-Bradley 193-EF2A, also cataloged as the 193-EF2A Electronic Overload Relay, operates as a dedicated hardware component for motor current protection, thermal overload detection, and phase monitoring within Bulletin 193 motor control systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 193-EF2A |
| Brand | Allen-Bradley / Rockwell Automation |
| Operating Temp | -20 deg C to +60 deg C |
| Power Consumption | Low energy solid-state design; exact value not specified in available data |
| Product Type | Solid-State Electronic Overload Relay |
| Bulletin Series | Bulletin 193 |
| Mounting Type | Direct mount to Bulletin 100-C contactor or DIN rail with adapter |
| Rated Operational Voltage | Up to 690 V AC IEC / 600 V AC UL/CSA |
| Rated Insulation Voltage | 690 V AC |
| Rated Impulse Withstand Voltage | 6 kV |
| Rated Frequency | 50 / 60 Hz |
| Auxiliary Contacts | 1 NO + 1 NC isolated |
| Auxiliary Contact Rating | B600 / R300 |
| Trip Class | Selectable or fixed Class 10, 15, 20, 30 depending on application |
| Reset Modes | Manual, automatic, remote |
| Enclosure Rating | IP20 finger-safe terminals |
| Terminal Connection | Screw terminals, Posidriv / slotted |
| Standards Compliance | UL 508, CSA C22.2 No. 14, IEC/EN 60947-4-1, CE |
Industrial Control Integration Characteristics
The Allen-Bradley Bulletin 193 platform is designed for integration with industrial motor control assemblies where PLC-based systems require consistent protection device coordination. I/O density scaling considerations apply when multiple overload devices are installed within a control panel architecture. Firmware flash compatibility evaluation is required at the controller level when associated automation hardware includes configurable electronic interfaces.
The 193-EF2A uses solid-state current sensing technology instead of thermal bimetal elements, reducing heat generation inside the starter assembly while maintaining adjustable motor protection parameters. The device provides phase loss detection, phase unbalance monitoring, and visual trip status indication for motor control troubleshooting.
Frequently Asked Questions
Q: Can the 193-EF2A be hot-swapped during operation?
A: The 193-EF2A is a motor protection device installed within a starter assembly. Hot-swapping should not be performed unless the complete control system design and electrical isolation procedure specifically allow it.
Q: What contactor assemblies are compatible with direct mounting?
A: The unit is designed for direct mounting with Allen-Bradley Bulletin 100-C contactors. Alternative mounting arrangements require the appropriate adapter configuration.
Q: Does the overload relay provide remote reset capability?
A: Yes. The 193-EF2A supports manual, automatic, and remote reset modes according to the installed control configuration.
Field Installation Guidelines
Install the overload relay according to the applicable motor starter assembly documentation and local electrical requirements.
Verify that the motor full-load current setting matches the protected motor nameplate data before energizing the circuit. Maintain proper separation between power conductors and low-level control wiring where required by the installation design.
Use the specified terminal connection method and ensure conductors are properly secured. Grounding, shielding, and cable routing practices should follow the requirements of the surrounding control panel system to reduce electrical interference.
Confirm phase sequence, auxiliary contact wiring, reset circuit connections, and trip indication operation during commissioning.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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