Siemens Industrial SIRIUS Relay S2 User's Manual
Summary
Engineered for robust electrical control systems, this comprehensive manual details the safe installation and operation of SIRIUS contactors. It provides technical professionals—including electricians and industrial technicians—with essential guides on wiring configurations, terminal connections (L1/L2/L3), coil replacement, and unit assembly. The document prioritizes user safety by issuing critical warnings regarding hazardous voltage, ensuring that system integration and maintenance are performed correctly using certified components.
Page 1 Text Content
SIRIUS 3RT5.3 En gl is
Contactor S2 继电器 S2
Operating Instructions RT -0
DANGER CAUTION
Hazardous voltage. Read and understand these instructions Will cause death or serious injury.
Reliable functioning of the equipment is
before installing, operating, or maintaining Turn off and lock out all power
only ensured with certified components.
the equipment. supplying this device before working on this device.
危险 小心 RT -0
EN Assembly 中文 安装
Technical Hotline: Telephone: +86-400-810-4288 (8:30 - 17:15 UTC+8) Fax: ++86-10-6471-9991
E-mail: [email protected] Internet: www.4008104288.com.cn or www.ad.siemens.com.cn/service
A5E01135683-02 Last update: 11 November 2010 Order No.: 3ZX1012-0RT53-1AA1
Page Summary Contents For Siemens Industrial SIRIUS Relay S2 User's Manual
Manual Details
| Brand | Siemens |
|---|---|
| Pages | 4 |
| File Size | 775.67 KB |
| Published | May 28, 2026 |
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Frequently Asked Questions
What is the primary safety precaution before working on this device?
Before installing, operating, or maintaining, you must turn off and lock out all power and ensure it is de-energized.
How do I replace the contactor coil?
The manual provides specific instructions for replacement, listing associated order numbers and procedures (e.g., 3ZX1012-0RT53-1AA1).
What are the recommended connection terminal sizes for various cables?
Connections vary by terminal block; for instance, one specification requires cable sizes of '2 x 0.75 ... 16 mm²' and another requires '2x 18 to 14 AWG'.
Do I need certified components when servicing the unit?
Yes, using only certified components is necessary to ensure reliable functioning of the equipment.