---
product_id: 61437495
title: "Time relay with energy maintenance after power failure relay PCU-504 UNI 8503 F&F"
brand: "f2"
price: "A$222"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/61437495-time-relay-with-energy-maintenance-after-power-failure-relay-pcu
store_origin: AU
region: Australia
---

# 12-264V AC/DC 0.1s-10min delay -25°C to 50°C Time relay with energy maintenance after power failure relay PCU-504 UNI 8503 F&F

**Brand:** f2
**Price:** A$222
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Control: Never Miss a Beat!

## Quick Answers

- **What is this?** Time relay with energy maintenance after power failure relay PCU-504 UNI 8503 F&F by f2
- **How much does it cost?** A$222 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/61437495-time-relay-with-energy-maintenance-after-power-failure-relay-pcu)

## Best For

- f2 enthusiasts

## Why This Product

- Trusted f2 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rapid Response Time:** Achieve effect delays of less than 50 milliseconds for quick actions.
- • **User-Friendly Setup:** Easily adjustable working time from 0.1 seconds to 10 minutes.
- • **Versatile Voltage Range:** Compatible with a wide range of voltages from 12 to 264V AC/DC.
- • **Compact & Durable Design:** Space-saving 1-module design with robust IP20 protection.
- • **Uninterrupted Performance:** Experience seamless operation with energy maintenance after power failure.

## Overview

The PCU-504 UNI 8503 F&F is a versatile time relay designed for energy maintenance after power failures, featuring a wide operating voltage range, adjustable delay times, and a compact design, making it ideal for various applications in professional settings.

## Description

Time relay is suitable for time control in industrial and domestic automatic systems (ventilation, heating systems, lighting, detection systems, etc.). PCU-504 UNI has inner capacitor circuit that raelizes the contact retention after the power failure. Maximum duration time up to 10 minutes.

## Features

- Time relay with energy maintenance after power failure relay PCU-504 UNI 8503 F&F
- English user manual. !
- Operating voltage: 12 ÷ 264 V AC/DC; contact: 2 × NO/NC; load current: 2 × 4A; effect delay: < 50 m sec. Working time - adjustable: 0.1 sec. ÷ 10 minutes. Power consumption: 0.56 W.
- Working temperature: -25 ÷ 50 °C; connection: screw terminals 2.5 mm²; signalling of contact state: green LED light; effect signal: red LED light; dimensions: 1 module (18 mm); mounting: top-hat rail TH-35; protection class: IP20.

## Images

![Time relay with energy maintenance after power failure relay PCU-504 UNI 8503 F&F - Image 1](https://m.media-amazon.com/images/I/61Ug2FuT1dL.jpg)
![Time relay with energy maintenance after power failure relay PCU-504 UNI 8503 F&F - Image 2](https://m.media-amazon.com/images/I/51qHta3+BcL.jpg)
![Time relay with energy maintenance after power failure relay PCU-504 UNI 8503 F&F - Image 3](https://m.media-amazon.com/images/I/41jBv9cDbjL.jpg)

---

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**Shop now:** [https://www.desertcart.com.au/products/61437495-time-relay-with-energy-maintenance-after-power-failure-relay-pcu](https://www.desertcart.com.au/products/61437495-time-relay-with-energy-maintenance-after-power-failure-relay-pcu)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-03*