AHES3293

Turn On Voltage (Max):	36 VDC
Coil Resistance:	1.22 kOhms
Coil Power:	1.88 W
Contact Material:	Silver Tin Oxide (AgSnO)
Operating Temperature:	-40°C ~ 55°C
Termination Style:	PC Pin
Mounting Type:	Through Hole
Features:	--
Release Time:	10ms
Operate Time:	30ms
Turn Off Voltage (Min):	2.4 VDC
Series:	HE-S
Switching Voltage:	277VAC - Nom
Contact Rating (Current):	35A
Contact Form:	DPST-NO (2 Form A)
Coil Voltage:	48VDC
Coil Current:	39.0mA
Coil Type:	Non Latching
Relay Type:	General Purpose
Part Status:	Active
Packaging:	Bulk

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Power Relays, Over 2 Amps

The AHES3293 is a family of bi-directional relays designed for power distribution systems, providing current sensing capabilities up to 2A and offering both in-rush and over-current protection. It is designed for applications requiring accurate and reliable current measurements, such as surge protection, smart grid, telecommunication, and industrial automation.

Design

The AHES3293 is a shielded, surface-mount relay that includes a current sensing transformer, and a bidirectional solid-state switch. It is designed for over-current, in-rush, and surge protection in high power applications. It can operate from 1mA to 2A, with an adjustable current limit of 0-2A. The device is available in 4-pin TO-263 and 6-pin DIP packages, and is rated for up to 2A power.

Working Principle

The AHES3293 relay is composed of two sections: a current sensing transformer and a switch module. When the motor is started, the power feed voltage will increase due to inrush current. The current sensing transformer will detect the rise in the voltage and switch the bi-directional solid-state switch, which will then control the current flow within the system. When the current exceeds the preset limit, the relay will respond, and the switch will turn off, thus protecting the system. The opposite process occurs when the current drops below the preset limit: the switch will turn on, and the relay will allow the current to flow.

Applications

The AHES3293 is ideally suited for use in power distribution systems, such as telecommunication and industrial automation, as well as for surge protection and smart grid systems. It can be used in applications requiring accurate and reliable current measurements, such as in electrical motors, air conditioners, and UPS systems. The device can also be used in system designs that require protection from in-rush currents.

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