Established in 1998, China Dianshen Electric Co., Ltd. is a professional overload relay manufacturer and overload relays design of electric and electronic products. Together with the European 'CE', 'CCC', GS/EMC/LICE/UL/CSA, and 'CB' (IEC) certification that we have received for various series. Currently, our custom overload relay product series are being exported worldwide. Our pursuit of first-rate quality, competitive and cheap overload relays prices and comprehensive after-sales services offers both potential and long-standing clients confidence in our company.

The Ward Leonard N300 Electronic Overload Relay provides state-of-the art, solid-state overload protection in a small package. It is a rugged, fully programmable overload relay suitable for use in the most demanding military and industrial environments. The N300 was designed to meet the stringent shock, vibration, noise and EMI requirements of the U.S. Navy as outlined in MIL-DTL-2212.
The N300 Electronic Overload Relay can operate as a standalone unit or in a network utilizing the N301 Communications Module with Modbus, Profibus-DP, or Ethernet protocols, on either 115 VAC or 440 VAC at 50 or 60 Hz. This efficient overload relay monitors three-phase current using pass-through monitoring ports. The N300 includes a three-digit alphanumeric LED display for viewing and/or setting parameters, real-time current and voltage readings, fault data, and diagnostic messages. One N300 can cover five different controller sizes. Our competition utilizes five separate models with a different part number for each controller size.

The E3 overload relay provides inputs and outputs that can simplify the control architecture and minimize hardware requirements.The inputs allow the master device such as a programmable controller to monitor the status of typical devices like short circuit interrupters, contactors, pilot devices and sensors.The output relays can be used by the master device to operate motor starting contactors, pilot lights, circuit breaker shunt trips and brake contactors.The monitor parameter group provides motor performance data, diagnostic and device status information.
DeviceNet Features
Autobaud circuitry speeds up node commissioning time.
Choice of polled I/O, cyclic or change of state(COS) messaging-provides communication mode that fits the application.
Off-line node recovery allows commissioning of many devices onto a network at the same time.
Full parameter object support allows a configuration tool to easily upload the device electronic data sheet (EDS).
Configuration consistency check provides simple verification of product configuration.
Configured using RSNetWorx for DeviceNet software

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