---
product_id: 188708244
title: "Rosvola Cycle Timer, GRT8-S1 Mini Asymmetric ON/Off Repeat Cycle Time Relay AC 230V for Automatic Control"
brand: "rosvola"
price: "S$27"
currency: SGD
in_stock: true
category: "Home Garden"
url: https://www.desertcart.sg/products/188708244-rosvola-cycle-timer-grt8-s1-mini-asymmetric-on-off-repeat
store_origin: SG
region: Singapore
---

# Rosvola Cycle Timer, GRT8-S1 Mini Asymmetric ON/Off Repeat Cycle Time Relay AC 230V for Automatic Control

**Brand:** rosvola
**Price:** S$27
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Rosvola Cycle Timer, GRT8-S1 Mini Asymmetric ON/Off Repeat Cycle Time Relay AC 230V for Automatic Control by rosvola
- **How much does it cost?** S$27 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/188708244-rosvola-cycle-timer-grt8-s1-mini-asymmetric-on-off-repeat)

## Best For

- rosvola enthusiasts

## Why This Product

- Trusted rosvola brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Specification: Model: GRT8-S1 Rated supply voltage: AC 230V(50-60Hz) Power consumption: AC max.6VA/1.3W Delay time range: 0.1s-100days, NO, NC  Setting method: knob Setting accuracy: 10% Repeated accuracy: 0.2% Temperature fluctuation error: 0.05%/&#x2103;, at = 20&#x2103; Output contact: 1 x SPDT, 16A/AC1 Minimum switching power: 500mW Power indicator: Green LED Output relay indication: Red LED Mechanical life: 1x107 Electrical life: 1x106 Reset time: Max 200ms Working temperature: -20&#x2103;~55&#x2103; Storage temperature: -35&#x2103;~75&#x2103; Mounting method: 35mm DIN rail Protection grade: IP20 Wiring capability: 1x2.5mm2 / &#xA0;2x1.5mm2 Dimensions: 90*18*64mm / 3.54*0.71*2.52in Package weight: Approx. 75g/2.6oz  Package List: 1 * Cycle Timer Relay  Note: 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow slight error due to manual measurement. Thanks for your understanding.

## Features

- 1. Time setting for delay ON and OFF is separated so you can set different delay time. Super wide delay time range, 0.1 second - 100 days settable (10 selections).
- 2. Relay working status is indicated by LED indicators. Switch different working modes by short-circuiting S-A1.
- 3. It is used for cycle delay control, providing periodic energizing, lighting control and heating control for electric circuit.
- 4. With small volume, this relay can be mounted on 35mm DIN rail.
- 5. Your purchase is 100% guaranteed. If you receive defective or wrong item, please email us first. We will solve the problem for you in the first time, thank you

## Images

![Rosvola Cycle Timer, GRT8-S1 Mini Asymmetric ON/Off Repeat Cycle Time Relay AC 230V for Automatic Control - Image 1](https://images-na.ssl-images-amazon.com/images/I/51F-FyNcuGL.jpg)
![Rosvola Cycle Timer, GRT8-S1 Mini Asymmetric ON/Off Repeat Cycle Time Relay AC 230V for Automatic Control - Image 2](https://images-na.ssl-images-amazon.com/images/I/61WaScMU1CL.jpg)
![Rosvola Cycle Timer, GRT8-S1 Mini Asymmetric ON/Off Repeat Cycle Time Relay AC 230V for Automatic Control - Image 3](https://images-na.ssl-images-amazon.com/images/I/6166oyx5pkL.jpg)
![Rosvola Cycle Timer, GRT8-S1 Mini Asymmetric ON/Off Repeat Cycle Time Relay AC 230V for Automatic Control - Image 4](https://images-na.ssl-images-amazon.com/images/I/510KHYjaaCL.jpg)
![Rosvola Cycle Timer, GRT8-S1 Mini Asymmetric ON/Off Repeat Cycle Time Relay AC 230V for Automatic Control - Image 5](https://images-na.ssl-images-amazon.com/images/I/61CKJqmc9fL.jpg)

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**Shop now:** [https://www.desertcart.sg/products/188708244-rosvola-cycle-timer-grt8-s1-mini-asymmetric-on-off-repeat](https://www.desertcart.sg/products/188708244-rosvola-cycle-timer-grt8-s1-mini-asymmetric-on-off-repeat)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-12*