Telemecanique SR2 E121B Compact Smart Relay
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Compact Smart Relay
TELEMECANIQUE SR2 E121B Zelio Logic compact smart relay with 24 V supply, 8 inputs, 4 relay outputs, integrated display, and industrial protection standards for automation control applications.
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TELEMECANIQUE SR2 E121B Compact Smart Relay
The TELEMECANIQUE SR2 E121B compact smart relay from the Zelio Logic range is designed for industrial automation control applications. It provides reliable programmable control with integrated display and flexible programming options, making it suitable for machinery control, process automation, and electrical panel integration.
Manufacturer: TELEMECANIQUE
Type: Compact Smart Relay
Model: SR2 E121B
Part No.: 054979
Serial No.: 3389110549799
| Range Of Product | Zelio Logic |
| Product Or Component Type | Compact Smart Relay |
| Local Display | With |
| Number Of Control Scheme Lines | 120 With Ladder Programming / ‰¤ 200 With FBD Programming |
| Cycle Time | 6...90 ms |
| Backup Time | 10 Years At 25 °C |
| Clock Drift | 6 s/Month At 25 °C, 12 min/Year At 0...55 °C |
| Checks | Program Memory On Each Power Up |
| Rated Supply Voltage [Us] | 24 V |
| Supply Voltage Limits | 20.4...28.8 V |
| Supply Frequency | 50 / 60 Hz |
| Output Relay | 4 |
| Output Relay Rating | 24 VDC / 240 VAC |
| Supply Current | 145 mA (Without Extension) |
| Power Consumption | 4 VA (Without Extension) |
| Isolation Voltage | 1780 V |
| Protection Type | Against Inversion Of Terminals (Control Instructions Not Executed) |
| Discrete Input Number | 8 |
| Discrete Input Voltage | 24 V AC |
| Discrete Input Current | 4.4 mA |
| Discrete Input Frequency | 47...53 Hz / 57...63 Hz |
| Standards | EN/IEC 60068-2-27 Ea, EN/IEC 60068-2-6 Fc, EN/IEC 61000-4-11, EN/IEC 61000-4-12, EN/IEC 61000-4-2 Level 3, EN/IEC 61000-4-3, EN/IEC 61000-4-4 Level 3, EN/IEC 61000-4-5, EN/IEC 61000-4-6 Level 3 |
| Ambient Air Temperature For Operation | -20...55 °C (IEC 60068-2-1 & IEC 60068-2-2), -20...40 °C In Non-Ventilated Enclosure |
| Operating Altitude | 2000 m |
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