Grain Systems Bucket Elevtors, Conveyors, Series II Sweeps PNEG-970 - Manual (Page 14)

PNEG-970 S2 Hopper w/ Collector Ring 14
Introduction
4. Slip Ring Information
Slip rings must be enclosed and protected from any contact by personnel. Means for the
provision of this protection is the responsibility of the user. Various enclosure styles are
available from Insul-8.
Specifications & Listings
A. R-Series Slip Ring products are built to UL specifications but are not generally certified or
listed by any independent certifying or regulatory body.
B. The following specifications apply to all RSeries Slip Rings:
1. R-Series Slip Rings are intended for industrial use and require a permanent mounting
means.
2. Maximum RPM for units w/o ball bearings is 125. Maximum for units with ball bearings
is 500 RPM.
Temperature & Ampere/Voltage Ratings
A. R-Series Slip Rings withstand a maximum ambient temperature of 220° F.
B. The model number of the slip ring assembly indicates the ampacity and voltage rating of
each type of ring and brush included on the assembly . (See page 34) Note: the actual
ampacity may be affected by the type and size of the core lead wire (refer to NEC
Table 310-16, 17,18, 19 and applicable notes).
Markings
1. Every slip ring is marked with a label on the outboard bearing (or enclosure) which
includes the Insul-8/IER name and logo, the product catalog number and the individual
product serial number.
2. The marking on slip rings includes the maximum amperage and voltage.