Grain Systems Unload Augers PNEG-1722 - Manual (Page 5)

1. Introduction
PNEG-1722 Series II Sweep Protected Cord Slip Ring Sump 5
Slip Ring Introduction
Slip rings must be enclosed and protected from any contact by personnel.
Specifications and Listings
1. R-Series slip ring products are built to UL specifications but are not generally certified or listed by
any independent certifying or regulatory body.
2. The following specifications apply to all R-Series slip rings:
a. R-Series slip rings are intended for industrial use and require a permanent mounting means.
b. Maximum RPM for units w/o ball bearings is 125. Maximum for units with ball bearings is
500 RPM.
Temperature and Ampere/Voltage Ratings
1. R-Series slip rings withstand a maximum ambient temperature of 220°F.
2. 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 30.) 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.