24V DC Signal Relay, SPDT, 3A

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$20.95

Buy 24V DC signal relay online, contact form SPDT (1C), 3A contact switching capability, rated load 1A 240VAC/30VDC, 3A 120VAC, coil nominal power 360mW/200mW/450mW.

SKU: ATO-SR-W38DC24V

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Delivery date: 6-12 days

Overview

24V DC signal relay is designed with silver alloy contacts and copper coil, more stable and precise.

Features

3A contact switching capability.
Contact form: SPDT (1C).
High sensitive type, coil power is 200mW/360mW/450mW.
Standard DIP construction terminal.
Ultra – small type, gold – plated contacts.
Suit for complete machine wave soldering and integral cleaning process.
Main applications: Electric power protection, automation, communication.

Specification

Model			ATO-SR-W38DC24V
Type			Standard Type	Sensitive Type	High Power Consumption Type
Coil Parameters (23℃)	Nominal Voltage		DC 24V
	Nominal Power		360mW	200mW	450mW
	Pick-up Voltage		≤18VDC	≤18VDC	≤18VDC
	Drop-out Voltage		≥1.20VDC	≥1.20VDC	≥1.20VDC
	Rated Cuttent		15mA	8.3mA	18.75mA
	Coil Resistance		1600Ω	2880Ω	1280Ω
	Max Voltage		DC 31.2V	DC 31.2V	DC 31.2V
Contact Parameters	Contact Form		SPDT (1C)
	Contact Resistance (Initial)		≤100mΩ (6VDC 0.1A)
	Contact Material		AgNi + Gold Plating
Rated Value	Rated Load (Resistance Load)		1A 240VAC/30VDC
			3A 120VAC
	Max. Switching Voltage		240VAC/30VDC
	Max. Switching Current		5A
	Max. Switching Capacity		360VA/30W
	Min. Allowing Load		5VDC 100mA
Electrical Performance	Insulation Resistance (Initial)		1000mΩ (500VDC)
	Dielectric Strength (Initial)	Between Open Contacts	500VAC, 1 min
		Between Coil & Contacts	1000VAC, 1 min
	Operate Time		≤10ms
	Release Time		≤5ms
Mechanical Performance	Shock Resistance	Functional	98m/s²(10g)
		Destructive	980m/s²(100g)
	Vibration Resistance		10Hz ~ 55Hz 1.5mm DA
Endurance	Mechanical		1 x 10⁷ops
	Electrical		1A 240VAC 1 x 10⁵ops (ON/OFF=1s/9s)
			3A 120VDC 5 x 10⁴ops (ON/OFF=1s/9s)
Operate Condition	Ambient Temperature		-25℃ ~ 70℃
	Humidity		5% to 85%
Termination			PCB (DIP Encapsulation)
Unit Weight			5g
Construction			Plastic Sealed, Flux Proofed

Note: In order to maintain the initial performance parameters of the signal relay, please be careful not to drop it.

Dimension

Units: mm

Dimensions of Signal Relay

Performance curves

Performance Curves of Signal Relay

Tips: Major parameters of signal relay

Nominal voltage: It is the voltage required by the coil when the signal relay is in normal operation.
Direct current resistance: It is DC resistance of the coil in the relay, which can be measured with a multimeter.
Pull-in current: It is the minimum current at which a relay can produce a pull operation. In normal use, the given current must be slightly greater than the pull-in current for the signal relay to operate stably. The operating voltage of the coil do not exceed 1.5 times of the rated working voltage, otherwise it will produce a large current and burn the coil.
Release current: It refers to the maximum current generated by the release action of the signal relay. When the current in the pull-in state of the relay decreases to a certain extent, the relay will return to the release state. The current at this point is much less than the pull-in current.
Switching voltage and current of contact: They mean the voltage and current allowed to be loaded by the signal relay, which determines the size of the voltage and current that the relay can control, and cannot exceed specified value when using, otherwise it is easy to damage the contact of the relay.

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