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Allen Bradley E1 Plus Relays 193-A4M5

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193-A4M5

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The 193-A4M5 is an overload relay designed by Allen Bradley, falling under the E1 Plus Relays series. This thermal overload device effectively shields systems from excessive current, featuring a mechanical flag for trip indication.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 193-A4M5

ManufacturerAllen Bradley
Product TypeOverload Relay
Product LineE1 Plus Relays
Part Number193-A4M5
Weight3.13 lbs (1.42 kg)
Protection TypeThermal Overload
Trip IndicationMechanical Flag
Trip ClassClass 10
Frequency50/60 Hz
HousingOpen Type
Relay TypeSMP-1
Phase3-Phase
Operating VoltageContactor-Mounted
Auxiliary Contacts1 NO + 1 NC
Reset ModeAuto/Manual
Control TypeBimetallic
Adjustment MethodDial Setting
Current Range57–180 A
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The Allen Bradley 193-A4M5 is an overload relay characterized by its application as a thermal protection device within systems. This relay is essential for safeguarding equipment from overheating due to prolonged currents exceeding safe operating levels. It features a robust mechanical flag that visually indicates when a trip has occurred, ensuring easy monitoring for maintenance personnel.

As part of the E1 Plus series, this relay is classified under Class 10, which denotes its operational capabilities in trip response times. Operating within a frequency range of 50/60 Hz, the relay is well-suited for various network standards and configurations. Designed specifically for use in 3-phase applications, it provides a current handling capacity ranging from 57 to 180 amperes.

The housing type is open, facilitating easy installation and integration within control panels or existing systems. With a control type based on a bimetallic mechanism, this relay exhibits consistent and predictable tripping behavior. Users can adjust the settings conveniently using a dial method, allowing for precise calibration to specific application requirements.

To enhance its functionality, the 193-A4M5 includes auxiliary contacts configured as 1 normally open (NO) and 1 normally closed (NC), enabling versatile circuit control options. It is designed to be mounted directly onto contactors, facilitating easy wiring. The reset mode can be set to either automatic or manual, providing the flexibility to match operational protocols as needed.