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457
User Manuals: Asco 457 Surge Protective Device
Manuals and User Guides for Asco 457 Surge Protective Device. We have
1
Asco 457 Surge Protective Device manual available for free PDF download: Installation & Operation Manual
Asco 457 Installation & Operation Manual (24 pages)
Surge Protective Devices
Brand:
Asco
| Category:
Protection Device
| Size: 1 MB
Table of Contents
Table of Contents
3
Introduction
4
Major Industry Nomenclature Changes Effective 2008-2009
4
General Information
5
Simplified Explanation of Operation
5
Precautionary Statement Regarding Spds on Ungrounded Systems
5
Cascade Surge Protection
5
Parallel Connection
5
Unpacking & Preliminary Inspection
5
Storage Environment
5
Pre-Installation & Installation Planning
6
Operating Environment
6
Audible Noise
6
Mounting, Dimensions, and Weight
6
Table 1: Model Number Decoder
6
Service Clearance
7
Maximizing SPD Performance
7
Cascade Surge Protection
8
Overcurrent Protection
8
Circuit Breaker and Disconnect Switch
8
Wire Size and Installation Torque
8
Special Enclosure Considerations
8
Removing and Reconnecting the Ribbon Cables
8
NEMA Type 4X Enclosure
9
Flush Mount Option
9
Terminals
10
Shortest Leads Possible
10
Voltage Rating
10
System Grounding
11
UL 1283 Required Language Concerning the Installation of EMI Filters
11
Installation
12
Figures 4-9: Electrical Connection Diagrams
13
Control and Diagnostic Panel
14
Service LED and the Audible Alarm
14
Figure 10: Display Panels
14
Figure 11: SPD Dimensions: NEMA Type 1, 4, and 4X Stainless Steel
15
Surge Counter Options
16
Supplemental LED Indicators on Modules
16
Dry Contact Option
17
Remote Monitor Accessory Option
17
Figure 15: Pinout Diagram for Dry Contacts of SPD
17
Maintenance
18
Troubleshooting & Service
18
Module Removal & Replacement Instructions
19
Display/Diagnostic Board Removal and Replacement
19
Preventive Maintenance (Inspection and Cleaning)
19
Corrective Maintenance (Repair)
19
Limited Warranty
20
Table 2: Replacement Parts
21
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