Power Supply Units – Types SD821, SD822 and SD823
Appendix A Hardware Units
186
3BSE 027 941 R301
Insulation of Power Supply Units (PSU)
Basic with protective conductor; primary circuit separated from all other live
circuits by reinforced insulation.
Rated insulation voltage, Primary to Secondary 300V AC.
Dielectric test voltage 3000V AC (EN 60950).
Fuses and Protective Devices
Internal primary main fuses are arranged to meet the requirements of electrical
safety publications for connection to the Phase – Neutral terminals of the primary
main network; TN network, 1 (one) fuse. Recommended primary external fuse:
•
Micro Circuit Breaker (MCB) 10 Amperes, characteristic B.
Table 53. Power Supply Units – Fuses and Protective Devices
Fuse
SD821
SD822
SD823
Primary: Internal fuse
3.15AT
4AT
6.3AT
Primary: Recommended external fuse
(1)
(1) Microcircuit Breaker (MCB), Characteristic B
10A
10A
Secondary: Short circuit
<5A
<10A
<20A
Secondary: Over-load protection
3A> I
I <5A
6A< I
I< 10A
12A< I
I<20A
Secondary: Over-Voltage protection
32V typ
29V typ
35V typ
Summary of Contents for AC 800M
Page 1: ...ControlIT AC 800M Version 2 1 Controller Hardware Hardware and Operation...
Page 2: ......
Page 3: ...Controller Hardware Hardware and Operation ControlIT AC 800M Version 2 1...
Page 10: ...7DEOH RI RQWHQWV 10 3BSE 027 941 R301...
Page 20: ...Related Documentation About This Book 20 3BSE 027 941 R301...
Page 26: ...Operating Environment Safety Summary 26 3BSE 027 941 R301...
Page 42: ...Product Release History Section 1 Introduction 42 3BSE 027 941 R301...
Page 108: ...Powering from an External 24 V DC Source Section 3 Configuration 108 3BSE 027 941 R301...
Page 118: ...Verification of Redundant CPU Section 4 Operation 118 3BSE 027 941 R301...
Page 212: ...Low Voltage Directive LVD Appendix D Directive Considerations 212 3BSE 027 941 R301...
Page 214: ...Hazardous Location Approval Appendix E Standards 214 3BSE 027 941 R301...
Page 228: ...QGH 228 3BSE 027 941 R301...
Page 229: ......