GRT8-B1 AC/DC12-240V SSR Power Controller - GRT8 Series Solid State Relay Module

GRT8-B1 Timer Relay

AC/DC 12-240V GRT8-B1

GRT8-B1 12-240V Relay

GRT8-B1 AC/DC12-240V

GRT8-B1 Timer Relay offers wide-range AC/DC 12-240V compatibility, ideal for industrial automation, equipment timing control, and power management systems. The GRT8-B1 12-240V Relay features compact design, precise timing adjustments, and reliable performance in diverse voltage environments.

Specification

SEODescription

The **GRT8-B1 Timer Relay** is a robust industrial control device supporting **AC/DC 12-240V** input, compatible with a wide voltage range for flexible integration. Featuring a single input and output channel, it directly interfaces with external modules like sensors or actuators without additional converters. Designed for harsh environments, it operates reliably within **-20°C to +60°C**, ideal for automation, HVAC, and machinery systems. The **GRT8-B1 12-240V Relay** offers precise timing control (0.1s–100h) with adjustable modes (ON-delay, OFF-delay, interval), DIN-rail mounting, and LED status indicators. While lacking built-in communication interfaces (e.g., RS-485), its simplicity, high durability, and broad voltage tolerance make it cost-effective for time-critical applications. Drawbacks include limited programmability and no network connectivity, but its compact design and reliability suit basic timing tasks in power-variable settings.

SEOSpecification

Parameter	Specification
Model	GRT8-B1 Timer Relay
Power Supply	AC/DC 12-240V (50/60Hz)
Time Range	0.1s - 100h (adjustable)
Contact Capacity	5A 250V AC / 5A 30V DC
Mounting Style	DIN rail/35mm
Operating Temp.	-20°C to +55°C
Storage Temp.	-40°C to +70°C
Protection Class	IP40
Electrical Life	10⁵ operations
Mechanical Life	10⁷ operations
Weight	≈120g
Dim. (L×W×H)	90×22.5×100mm
Certification	CE, RoHS
Terminal Type	Screw clamping

SEOQandA

question:What payment methods do you accept?
answer:We accept TT, PayPal, and other mainstream payment methods.
question:Can you provide upgraded or alternative models?
answer:Yes, we offer upgraded/alternative models based on stock availability and specifications.
question:Do you provide technical selection services?
answer:Yes, we offer free technical selection support to match your requirements.

SEOQandA_Product

question:What input voltage range does GRT8-B1 support?
answer:GRT8-B1 supports AC/DC 12-240V. Ensure input stays within this range to avoid damage.
question:Why does GRT8-B1 output fluctuate?
answer:Fluctuations may occur due to unstable input power. Use a stabilized power supply and verify load capacity.
question:How to resolve overheating issues?
answer:Ensure proper ventilation, avoid exceeding maximum load, and allow sufficient space around the device.
question:Is GRT8-B1 compatible with all control systems?
answer:Check system specifications for voltage compatibility. Contact support if uncertain about integration requirements.
question:Why does GRT8-B1 fail after installation?
answer:Verify correct wiring per the manual. Incorrect terminal connections are a common installation error.