Indicating transmitter model codes - PR-21-S

PR-21 Series User Guide

Document code
IM-EN-PR21S
Revision
C
Language
English
Product
PR-21-S
Document type
User guide
Table 1. Indicating transmitter DTR and STR model codes

Model

Description

DTR Indicating transmitter (connectivity for two sensors)
STR Indicating transmitter (connectivity for one ‑IA/‑IF/‑CI sensor)
Cable connection
-U ½ in NPT type conduit hubs for CSA certified transmitter
-M M20x1.5 metric cable glands for general purpose

Electrical classification

‑GP

General purpose

‑CS

CSA certified for use in general purpose (ordinary) locations

Applicable to CSA and ANSI/UL standards 1

Power supply
-AC Power supply 100‑240 V AC 50/60 Hz, fuse with voltage 250 V AC, max. size 10 A and speed slow
-DC Power supply 24 V DC, fuse with voltage min. 48 V DC, max. size 4 A and fuse speed fast. 2
1 Available only with cable connection code -U, ½ NPT type conduit hubs and -AC power supply.
2 With -GP option only.