Specifications

REFERENCES
9/01/2008 52-1002-5 References A.2
m meter(s)
mA milliampere(s)
MOS Metal-Oxide Semiconductor
mm millimeter(s)
mt mount
N/C No Charge
NE Network Extender
NEC National Electrical Code
NEMA National Electrical Manufacturers Association
No. number
N.C. Normally Closed contacts
N.O. Normally Open contacts
NT Nanotechnology
oi Optical Integrity
PB pushbutton
pkg package
PM Power Monitor
PLC Programmable Logic Controller
ppb parts per billion
ppm parts per million
PSM Power Supply Monitor
OD outside diameter
OEM Original Equipment Manufacturer
p/n part number
PIRTB Point-type Infrared Termination Box
pos positive
R Russian approved
Repl replacement
RFI radio frequency interference
RH relative humidity
rly(s) relay/relays
RM Relay Module
RTC real time clock
RUS Russian approved
SAM Signal Audible Module
sec seconds
sep separation
SIL safety integrity level
sgl single
SS Stainless Steel
STAR Selectable Transient Arc Rejection
surv surveillance
TAR Transient Arc Rejection
TDSA Time Domain Signal Analysis
temp temperature
 ohm
UCR Upper Count Rate
UEL Upper Explosive Limit
UL Underwriter Laboratories
ULC Underwriter Laboratories of Canada Listed
UV Ultraviolet
UVIR Ultraviolet/Infrared
Vac Volts alternating current
Vdc Volts direct current
VDS Verband deer Sachversicherer (German approval)
w/ with
w/o without