Description

Schneider RE8TA21BU | Optimum industrial timing relay, Zelio Time, 3…300 s, type A, 24 V AC/DC, 110…240 V AC, 1 C/O

Introduction

In today’s fast-paced industrial landscape, precision timing plays a crucial role in ensuring seamless operations. One standout solution in this domain is the Schneider RE8TA21BU Optimum Industrial Timing Relay from the Zelio Time series. Let’s delve into its features, applications, installation process, configuration options, advantages, and troubleshooting tips.

Understanding Schneider RE8TA21BU

The Schneider RE8TA21BU is an advanced industrial timing relay designed for precise time control applications. It operates within a timing range of 3 to 300 seconds, making it ideal for various industrial processes requiring accurate timing functions.

Features of RE8TA21BU

This timing relay boasts several features that enhance its usability and performance. It supports type A timing functions and is compatible with both 24V AC/DC and 110-240V AC power supplies. Its 1 C/O (1 changeover) contact configuration provides versatility in switching applications.

Applications

The RE8TA21BU finds applications across diverse industrial sectors such as manufacturing, automation, and control systems. It is commonly used in time-sensitive processes where precise timing is critical for optimal performance.

Installation

Installing the RE8TA21BU is straightforward, thanks to its user-friendly design and clear instructions provided in the manual. Proper installation ensures optimal functionality and longevity of the relay.

Configuration

Configuring the RE8TA21BU is intuitive, allowing users to set precise time intervals as per their application requirements. The device offers flexibility and accuracy in timing control, contributing to efficient operations.

Advantages

One of the key advantages of the RE8TA21BU is its reliability and accuracy in timekeeping, which minimizes errors and enhances productivity. Its robust build quality and compatibility with various power inputs make it a preferred choice for industrial applications.

Troubleshooting

In case of any operational issues or malfunctions, refer to the troubleshooting guide provided by Schneider. Common issues such as relay not switching or inaccurate timing can often be resolved through simple troubleshooting steps.

Conclusion

The Schneider RE8TA21BU Optimum Industrial Timing Relay stands out as a reliable and efficient solution for precise time control in industrial settings. Its advanced features, easy installation, and versatile applications make it a valuable asset for optimizing industrial processes.

FAQs

  1. Is the RE8TA21BU suitable for outdoor use? The RE8TA21BU is designed for indoor use unless specified otherwise by Schneider.
  2. Can I use this relay for controlling motor operations? Yes, the RE8TA21BU can be used for controlling various equipment, including motors, within its rated specifications.
  3. What is the warranty period for this timing relay? The warranty period typically depends on the manufacturer’s policies and may vary based on region. Refer to Schneider’s official warranty terms for accurate information.
  4. Does the relay support DIN rail mounting? Yes, the RE8TA21BU is compatible with DIN rail mounting, offering convenience in installation.
  5. Are there programming options available for custom timing functions? Yes, the relay provides programming options for custom timing functions, allowing users to tailor it to specific application needs.

Additional information

brands

Schneider Electric

Specifications

Main
Range of product Zelio Time
Product or component type Optimum industrial timing relay
Component name RE8
Time delay type A
Time delay range 3...300 s
Sale per indivisible quantity 1
Complementary
Discrete output type Relay
Contacts material Silver nickel contacts
Width pitch dimension 22.5 mm
[Us] rated supply voltage 110...240 V AC 50/60 Hz 24 V AC/DC 50/60 Hz
Voltage range 0.9...1.1 Us
Connections - terminals Screw terminals, 2 x 1.5 mm² flexible with cable end Screw terminals, 2 x 2.5 mm² flexible without cable end
Tightening torque 0.6…1.1 N.m
Setting accuracy of time delay +/- 20 % of full scale
Repeat accuracy < 1 %
Voltage drift < 2.5 %/V
Temperature drift < 0.2 %/°C
Minimum pulse duration 26 ms
Reset time 50 ms
Maximum switching voltage 250 V
Mechanical durability 20000000 cycles
[Ith] conventional free air thermal current 8 A
Maximum [Ie] rated operational current 2 A DC-13 24 V at 70 °C conforming to IEC 60947-5-1/1991 2 A DC-13 24 V at 70 °C conforming to VDE 0660 3 A AC-15 24 V at 70 °C conforming to IEC 60947-5-1/1991 3 A AC-15 24 V at 70 °C conforming to VDE 0660 0.1 A DC-13 250 V at 70 °C conforming to IEC 60947-5-1/1991 0.1 A DC-13 250 V at 70 °C conforming to VDE 0660 0.2 A DC-13 115 V at 70 °C conforming to IEC 60947-5-1/1991 0.2 A DC-13 115 V at 70 °C conforming to VDE 0660
Minimum switching capacity at 12 V 10 mA
Marking CE
Overvoltage category III conforming to IEC 60664-1
[Ui] rated insulation voltage 250 V conforming to IEC 300 V conforming to CSA
Supply disconnection value > 0.1 Uc
Operating position Any position without derating
Surge withstand 2 kV conforming to IEC 61000-4-5 level 3
Power consumption in VA 0.7 VA at 24 V 1.8 VA at 110 V 8.5 VA at 240 V
Maximum power consumption in W 0.5 W at 24 V
Terminal description ALT (A1-B1)CO (15-16-18)OC_OFF
Height 78 mm
Width 22.5 mm
Depth 80 mm
Net weight 0.11 kg
Environment
Immunity to microbreaks 3 ms
Standards EN/IEC 61812-1
Product certifications CSA GL UL
Ambient air temperature for storage -40…85 °C
Ambient air temperature for operation -20…60 °C
Relative humidity 15…85 % 3K3 conforming to IEC 60721-3-3
Vibration resistance 0.35 mm (f= 10…55 Hz) conforming to IEC 60068-2-6
IP degree of protection IP20 (terminals) IP50 (casing)
Pollution degree 3 conforming to IEC 60664-1
Dielectric test voltage 2.5 kV
Non-dissipating shock wave 4.8 kV
Resistance to electromagnetic fields 10 V/m conforming to IEC 61000-4-3 level 3
Resistance to fast transients 2 kV conforming to IEC 61000-4-4 level 3
Disturbance radiated/conducted CISPR 11 group 1 - class A CISPR 22 - class A
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Contractual warranty
Warranty 18 months

Main documents

Main documents

Datasheet Download Datasheet
Product datasheet Download
Instruction sheet
Download

Main documents

Datasheet Download Datasheet
Product datasheet Download
Instruction sheet
Download

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