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UL Relay Board

Price 550 INR/ Piece

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MOQ : 10 Pieces

UL Relay Board Specification

Cable Length
Not Included

Frequency
50/60 Hz

Mounting Type
Panel Mount

Connectivity Type
Screw Terminal

Remote Control
Yes

IP Rating
IP20

Control Type
Digital

Application
Industrial Control, Home Automation, Security Systems

Automation Grade
Automatic

Phase
Single Phase

Load Capacity
10A (per Relay)

Weight
Approx. 120 g

Features
LED Relay Status Indicator, Optically Isolated Inputs, Durable Design

Material
PCB + Plastic Components

Power
5V DC

Temperature
-20C to +70C

Voltage
250V AC / 30V DC (Relay Output)

Relay Type
Electromagnetic Relay

Number of Channels
4 Channel Relay Board

Input Signal
TTL Compatible

Contact Material
Silver Alloy

Indicator
Each Relay has an Independent Status LED

Dimensions
Approx. 85mm x 55mm x 20mm

Relay Life Cycle
100,000 cycles (mechanical)

Maximum Switching Power
2500 VA AC / 300 W DC

PCB Thickness
1.6 mm

Isolation Method
Opto-Isolation

Operating Humidity
20% to 85% RH, Non-Condensing

UL Relay Board Trade Information

Minimum Order Quantity
10 Pieces

Main Domestic Market
All India

About UL Relay Board

DC Relay Module with 1 C/O Contact

Features:

Fast traceability of signal status through P

Channel-wise LED indications. C

Plug In Type Relays. O

Interchangeable Looping at Input side using

jumpers.

Reduces Installation & commissioning time.

Compact in design.

Universal Rail mounting.

Versatile Multipurpose Relay Solution

This relay board is engineered for use in diverse applications, making it suitable for industrial automation, home control systems, and advanced security setups. Its compatibility with TTL logic signals and support for both AC and DC outputs provides maximum flexibility for integration with microcontrollers and PLCs.

Robust and Safe Design

With features such as opto-isolated inputs, an IP20 rating, and independent LED indicators for each relay, the board ensures electrical safety and straightforward troubleshooting. The silver alloy contact material and high mechanical life cycle promote long-term reliability under continuous operation.

Easy Installation and Operation

Mounting is straightforward with a panel mount option and easily accessible screw terminals for stable wiring. The compact dimensions (85mm x 55mm x 20mm) and lightweight design (approx. 120g) make it suitable for space-constrained enclosures, while external modules can add remote control capabilities.

FAQ's of UL Relay Board:

Q: How do I connect the 4 Channel UL Relay Board to my microcontroller?

A: You can connect the relay board's TTL compatible input pins to the I/O pins on your microcontroller. Ensure the board is powered with a 5V DC supply and that signal ground is shared. The screw terminals provide reliable connections for your loads.

Q: What safety features does this relay board offer?

A: This relay board integrates opto-isolated inputs for electrical isolation, reducing the risk of interference and accidental damage. Each relay has a status LED, and the board carries an IP20 rating for enhanced operational safety.

Q: Where can the relay board be installed or mounted?

A: With its panel mount design and compact size, the relay board can be installed in industrial control cabinets, home automation enclosures, or security system panels. Its PCB thickness and durable build make it suitable for various environments.

Q: What is the process for switching loads using this board?

A: Send a digital signal from your microcontroller or controller to the relay input. The relay energizes, closing or opening its contacts to control the connected AC or DC load, supporting up to 250V AC or 30V DC at 10A per channel.

Q: When should I consider using this relay board for my project?

A: Choose this relay board when you need reliable switching of high-power loads in automation projects, require clear visual status on each relay, seek opto-isolated control, and expect long operational life with up to 100,000 mechanical cycles.

Q: What are the benefits of opto-isolation in this relay board?

A: Opto-isolation protects your control electronics by electrically separating low-voltage logic signals from the high-voltage relay contacts, thus improving safety, reducing electrical noise, and extending component life.

Q: Can I use the relay board for remote control applications?

A: Yes, remote control is supported by connecting an external control module to the relay board, making it ideal for remote operation in home automation and industrial scenarios.

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