30A Relay

Your Leading 30A Relay Supplier

Zhejiang Qianji Relay Co.,Ltd. is a modern professional enterprise that researches, develops, produces, and sells relays. For over 20 years, the company specializes in producing over 50 series and 1000 specifications of Qianji products. Our 30A relay includes 30A12V pcb relay, 24v 30a relay T9112v 30a relay 5 Pin, 30A circuit board type relay, etc. A 30A relay is an electromechanical switch that allows a low-power signal to control a high-power circuit, safely handling loads up to 30 amps, commonly used in applications like home automation, industrial automation, and DIY projects.

30A12V pcb Relay
QIANJI's T90 relay has switching currents of 30a and 40A. And there are three types of this relay: open type, dust cover type, and plastic sealed type, to ensure its use in most environments....
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Mini 30A PCB Relay
Mini 30A PCB Relay – High Performance Compact Relay for PCB Applications
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Relay 24v 30a
24V 30a relay T91 is a normally open 5-pin sealed PCB relay that can adapt well to industrial circuit control or household appliances such as rice cookers and air conditioners
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24v 30a Relay T91
24V 30a relay T91 is a normally open 5-pin sealed PCB relay that can adapt well to industrial circuit control or household appliances such as rice cookers and air conditioners
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12v 30a Relay 5 Pin
12v 30a relay 5-pin is a mini 12v 5-pin relay, Contact material: AgCdO, AgSnO2. Suitable for dishwashers, ovens, and washing machines.
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30A12V Relay 4-Pin
30A 40A 12VDC Relay. It has an open type, dustproof cover type, and plastic sealing type. The action time is 15ms/10ms. The voltage between the coil and the contact is 1500v.
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12V30A Relay
12V PCB installation relay, 12V DC coil, 30A switching current. Subminiature, standard PCB layout with 1500V dielectric strength (between coil and contact, Class F insulation, anti flushing, CE...
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30A Circuit Board Type Relay
Mini automatic PCB 30A 12V relay, coil current AC, 1500VAC between coil and contact. There are two types of outlet methods: printed circuit board and socket. It can be applied to industrial...
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Why Choose Us

Broad Market
There are dealers all over the country and our products are exported to the Middle East, South America, Southeast Asia, Taiwan, South Korea, Australia, Europe, the United States, and other countries and regions.

Quality Assurance
We have passed ISO9001 international quality system certification, and our products have passed non-toxic and environmentally friendly tests; some products have obtained American UL, German TUV certification, CE certification, and CQC certification.

Professional Technical Team
We have been engaged in foreign trade export production of relays for over 20 years and have cooperated with over 200 countries. Our professional salesperson provides you with reliable consulting services and procurement related matters.

OEM & ODM Available
We provide professional ODM customization services, which can be set to the pattern you want on the product. And provide free samples for your reference.

Types of 30A Relay

Relay 24v 30a
24V 30a relay T91 is a normally open 5-pin sealed PCB relay that can adapt well to industrial circuit control or household appliances such as rice cookers and air conditioners.

12v 30a Relay 5 Pin
12v 30a relay 5-pin is a mini 12v 5-pin relay, Contact material: AgCdO, AgSnO2. Suitable for dishwashers, ovens, and washing machines.

30A12V Relay 4-Pin
30A 40A 12VDC Relay. It has an open type, dustproof cover type, and plastic sealing type. The action time is 15ms/10ms. The voltage between the coil and the contact is 1500v.

30A Circuit Board Type Relay
Mini automatic PCB 30A 12V relay, coil current AC, 1500VAC between coil and contact. There are two types of outlet methods: printed circuit board and socket. It can be applied to industrial electrical control. Has good switching ability.

Specifications of 30A Relay

Contact Ratings
Contact Ratings	1H	1D	1Z
Contact Resistance	50MΩ (at 1A 6VDC)
Contact Material	Silver Alloy
Contact Capacity	7200VA/560W	3600VA/280W	4800VA/560W	2400VA/280W
Specification
Insulation Resistance	1000MΩ. 500VDC
Dieletric Strength	BCC 2500V 1 min
	BOC 1500V 1 min
Operate Time	15ms/10ms
Terminal Type	PCB
Coil Ratings
Norminal Coil Power	0.9W

Product Video

Features of 30A Relay

Two independent relays for versatile control.

Each relay can handle up to 30A of current.

5V DC control voltage for compatibility with common microcontrollers.

Optocoupler isolation for safety and signal integrity.

LED indicators to show relay status.

Compact design for easy integration into various projects.

Usage of 30A Relay

The primary purpose of a 30A relay is to protect the electrical system from too high of a voltage or current, allowing the safe operation of any equipment it connects to.

They're commonly found in a variety of applications, from commercial and industrial uses to home and consumer products.

These include lighting control systems, protection systems for electronics, computer interfaces, sensitive appliances, command contactors, control motors, telecommunication, and more.

Usage Requirements of 30A Relay

Visual Inspection

Regularly check for any signs of damage, wear, or corrosion on the relay's exterior, including the contacts, insulators, and operating mechanisms.
Cleaning

Clean the contacts regularly to prevent dirt and corrosion from interfering with their function.
Mechanical Inspection

Inspect the mechanical parts of the relay for any signs of wear or damage.
Electrical Testing

Perform electrical tests to ensure the relay is functioning correctly.

Calibration

Calibrate the relay as needed, according to the manufacturer's instructions.

Contact Resistance Testing

Test the contact resistance to ensure it is within acceptable limits.

Overcurrent Testing

Perform overcurrent testing to ensure the relay can handle the intended loads.

Order Process

Understand the demand or application
Quote according to the request or suggestion
Confirm the sample and deposit the formal order
Arrange production

Packaging & Delivery

Packing:	Neutral white box and brown cardboard box; Customizable.
Payment:	EXW, FOB, CFR, CIF, DDU;
Payment:	T/T 30% as deposit, 70% paid before delivery.
Delivery time:	It takes 30 to 60 days after advance payment
Shipping:	By logistics; by automobile; by train; by shipping; by air.

Certificate

productcate-1746-478

After-Sales Service

7 Days free return and exchange
One-year quality warranty
Quick delivery
Comprehensive technical support

FAQ

Q: Can I visit the factory?

A: QIANJI is happy for customers to visit our factory.

Q: Can I have more detailed data about the product?

A: Contact us to provide you with more detailed data for your reference.

Q: Which payment method do you accept? Can I pay in RMB?

A: We accept wire transfers, trade guarantees, Western Union transfers, and PayPal. You can pay in RMB. No problem.

Q: Can you provide a wiring diagram for 30A relays

A: We will provide detailed data wiring diagrams to users.

Q: How to communicate and choose logistics?

A: We have our own logistics channels. If you have any logistics needs, we can contact the logistics channels based on your requirements.

Q: What are common issues with 30A relays?

A: The two most common failure mechanisms of relays are contamination and mechanical wear of the internal switching elements discussed as follows: a. Contamination is a major cause of early life failures.

Q: How long do 30A relays last?

A: The lifespan of relays can vary widely depending on their type and usage. Typically, the electrical life expectancy of general-purpose and power relays is rated at a minimum of 100,000 operations. This means they can switch on and off at least 100,000 times before their performance may start to degrade.

Q: How do you test if a 30A relay is bad?

A: You can also test your relay's functionality by switching your multimeter to test for resistance. This process involves switching your multimeter to read ohms and connecting the two leads to pins 85 and 86. A functioning relay coil should have a reading of between 50 and 120 ohms, but usually it's very near 75 ohms.

Q: Can a 30A relay stay closed?

A: Non-latching relays stay in continuous normally closed (NC) position without power supply. When power flows through the relay's coil the relay switches to a normally open (NO) position, remaining here while power is applied.

Q: How many cycles can a 30A relay handle?

A: The electrical life expectancy of general purpose and power relays is generally rated to be 100,000 operations minimum, while mechanical life expectancy may be one million, 10, or even 100 million operations.

Q: Do 30A relays degrade over time?

A: High inrush currents, typical in inductive loads like motors, can also shorten a relay's life. Over time, these stresses cause contact pitting and degradation, reducing the relay's efficiency and reliability.

As one of the leading 30a relay manufacturers and suppliers in China, we warmly welcome you to buy high-grade 30a relay in stock here from our factory. All our products are with high quality and low price.

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