Installation, Operation and Maintenance Manual
8221 RevD 08-18
3
ASCO SURGE PROTECTIVE DEVICE
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
TABLE OF CONTENTS
INSTALLATION
Figure 2: Leads Short & Straight
Figure 3: Typical Panel Installation
Figure 4: Nipple
Figure 5: Dimensions & Weight
Figure 6: S50A Mounting Options
Voltage Rating & Application
SPDs on Ungrounded Systems
Connecting Optional Form C Dry Contact & Audible Alarm
Figure 7: Leads
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7
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8
9
9
9
NORMAL OPERATION
Green LED Indicator
Form C Dry Contact and Audible Alarm Option
Maintenance
Troubleshooting & Service
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10
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INTRODUCTION
Figure 1: NEC
®
Article 285 & UL 1449-4
Parts List
Table 1: Specifications
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4
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