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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.

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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

Page 1 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 functionin...
Page 2 EN Accessories 中文 附件 RT -0 3RH5921-1.... max. 4 NO / NC RT -0 RT -0 3RH5921-1.. RT -0 RT -0 3RT59.6-1.... RT -0 RT -0 Order No.: 3ZX1012-0RT53-1AA1
Page 3 EN Replacement of the contactor coil 中文 更换接触器线圈 1,2 ... 1,5 Nm 11 ... 13 lb • in RT -0 RT -0 3RT5034 3RT5035 3RT5036 RT -0 RT -0 0,7 1 Nm 6 ... 9 lb in RT -0 0,7 ... 1,2 Nm 6 ... 11 lb • in Order No.:...
Page 4 4,5 ... 5,5 Nm 40 ... 48 lb • in RT -0 0,7 ... 1,2 Nm 6 ... 11 lb • in RT -0 EN Connect 中文 连接 A1 A2; NO NC L1 L2 L3 RT -0 T1 T2 T33RH5921-1 0,8 ... 1,2 Nm 3 ... 4,5 Nm ∅ 5 ... 6 mm / PZ2 7 to 10.3 lb ...

Manual Details

Brand Siemens
Pages 4
File Size 775.67 KB
Published May 28, 2026
49 views

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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.