Richards 137NP Network Protector Manuals

Manuals and User Guides for Richards 137NP Network Protector. We have 1 Richards 137NP Network Protector manual available for free PDF download: Instruction Manual

Richards 137NP Instruction Manual

Richards 137NP Instruction Manual (53 pages)

Network Protector, 800 to 3500 Amperes

Brand: Richards | Category: Protection Device | Size: 0 MB

Table of Contents

Table of Contents
7
Overview
9
Installation
10
- Receiving, Handling and Storage
  10
- Transformer Mounted
  11
- Separately Mounted
  11
- Opening Enclosures
  12
- Removing the Breaker Unit
  12
- Connections
  15
Relay Installation
15
Maintenance
16
- Schedule
  16
Inspection and Testing
18
- Phasing
  19
Manual Operation
19
Electro-Mechanical Relays
19
ETI MNPR® Microprocessor Relays
20
Electrical Testing
20
The Removable Unit
23
Operating Mechanism
32
Mechanical Indicator
32
Motor Control Device
34
Trip Mechanism
35
- Operating Motor
  39
- Torque Brake
  40
- Gear Assembly
  41
- Manual Operation
  41
- Manual Cutoff Switch
  42
- Closing Linkage
  42
The Enclosure
42

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