Secheron UR46-81S DC Circuit Breaker Manuals

Manuals and User Guides for Secheron UR46-81S DC Circuit Breaker. We have 1 Secheron UR46-81S DC Circuit Breaker manual available for free PDF download: Instruction Manual

Secheron UR46-81S Instruction Manual (68 pages)

DC High speed circuit-breaker

Brand: Secheron | Category: Circuit breakers | Size: 3 MB

Table of Contents
5
A. Introduction

9
General Description

9
- Description
  9
- Uses of the High Speed Circuit-Breaker
  9
- Main Features
  10
- Functions
  10
- Device Identification
  11
- Routine Tests
  11
Safety Precautions

12
B. Technical Specifications

15
Characteristics

15
- Breaking Current Parameters
  15
- Main Circuit
  15
- Control Circuit
  15
- Operating Conditions
  15
Breaker Control

16
- Typical Values for the Closing Coils
  17
Auxiliary Contacts

18
- Commutation Diagram
  18
C. Installation

19
Weight and Dimensions

19
General Requirements

20
Delivery Check and Acceptance

20
- Check
  20
- Transport Damage Procedure
  20
Handling

20
Packing

21
Storage

21
Disposal

21
Tightening Torques

21
- General Procedure
  21
- Standard Tightening Torques
  21
Mounting

22
- Mounting Position
  22
- Clearances to be Observed in Operating Position
  22
Low Voltage Connector

23
Earth Connection

24
High Voltage Connections

25
- Recommended Dimensions of the Bars/Cables
  25
Maximum Current Release (ID) Setting

26
- Direct Release
  26
- Setting Procedure
  26
Final Visual Inspection and Tests

27
Security Check Advised During Operation

28
Maintenance

29
Required Tools and Consumable

29
Periodicity of the Inspections

30
Procedure

30
Part Replacement Criteria

31
Visual Inspection

32
- Arc Chute Removal
  32
- Inspection
  32
- Arc Chute Refitting
  32
Detailed Inspection

33
Replacement of the Main Contacts and the Pole

37
Replacement of the Fork Unit

39
Replacement of the Arc Chute Parts

40
- Replacement of De-Ionizing Plates and Baffles
  40
- Replacement of the Horns
  40
Replacement of the Closing Device

41
Replacement of the Closing Core and the Spring

41
Replacement of the Direct Release

42
Replacement of the Pusher and the Shock Absorber

43
After Sales Services

43
Trouble Shooting

45
- Procedure
  
  45
  - Main Circuit Malfunctions
    45
  - Auxiliary Switches Malfunctions
    46
- Adjustments of the Closing Coil
  
  47
- Performance Check
  
  48
- Replacement of the Auxiliary Contacts
  
  49
Wear & Spare Parts Catalogue

51
- List Description
  
  51
- Recommended Spare Parts
  
  51
- After Sales Services
  
  51
- Catalogue
  
  52
  - Main Circuit
    52
  - Closing Device
    54
  - Auxiliaries
    54
  - Direct Tripping Device
    55
  - Frame and Accessories
    55
  - Arc Chute
    56
Options

57
- Manual Closing Device
  
  57
  - Description
    57
  - Maintenance
    57
  - Spare Part Catalogue
    57
- Over Current Release Indicator & Contact Wear Indicator
  
  58
  - Description
    58
  - Maintenance
    58
  - Spare and Wear Parts Catalogue
    58
- Manual Tripping Device: M3 Type
  
  59
  - Description
    59
  - Maintenance - J Clearance
    59
  - Troubleshooting
    60
- Indirect Releases
  
  60
- Checking and Adjusting the J Clearance
  
  62
  - Measurement
    62
  - Adjustment
    62
Vertical Mechanical Release

63
Varistor

64
- Description
  64
- Trouble Shouting
  64
- Spare Parts Catalogue
  64
Direct Release Type de

65
- Description
  65
- Maximum Current Release (ID) Settings
  65
- Maintenance
  65
- Spare and Wear Parts Catalogue
  66
Position Indicator

66
- Description
  66
VEAM Low Voltage Connections

67

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Circuit breakers

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Secheron UR46-81S DC Circuit Breaker Manuals

Secheron UR46-81S Instruction Manual (68 pages)

Table of Contents

A. Introduction

General Description

Safety Precautions

B. Technical Specifications

Characteristics

Breaker Control

Auxiliary Contacts

C. Installation

Weight and Dimensions

General Requirements

Delivery Check and Acceptance

Handling

Packing

Storage

Disposal

Tightening Torques

Mounting

Low Voltage Connector

Earth Connection

High Voltage Connections

Maximum Current Release (ID) Setting

Final Visual Inspection and Tests

Security Check Advised During Operation

Maintenance

Required Tools and Consumable

Periodicity of the Inspections

Procedure

Part Replacement Criteria

Visual Inspection

Detailed Inspection

Replacement of the Main Contacts and the Pole

Replacement of the Fork Unit

Replacement of the Arc Chute Parts

Replacement of the Closing Device

Replacement of the Closing Core and the Spring

Replacement of the Direct Release

Replacement of the Pusher and the Shock Absorber

After Sales Services

Trouble Shooting

Procedure

Adjustments of the Closing Coil

Performance Check

Replacement of the Auxiliary Contacts

Wear & Spare Parts Catalogue

List Description

Recommended Spare Parts

After Sales Services

Catalogue

Options

Manual Closing Device

Over Current Release Indicator & Contact Wear Indicator

Manual Tripping Device: M3 Type

Indirect Releases

Checking and Adjusting the J Clearance

Vertical Mechanical Release

Varistor

Direct Release Type de

Position Indicator

VEAM Low Voltage Connections

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