NC

Normally Closed (Operation Type)

NO

Normally Open (Operation Type)

U

Universal (Operation Type)

GP

General Purpose (Enclosure Type)

WT

Watertight (Enclosure Type)

OF

Open Frame (Enclosure Type)

AL

Aluminum

BR

Brass

BZ

Bronze

SS

Stainless Steel

ZN

Zinc

PL

Plastic

NPBR

Nickel Plated Brass

NBR

Nitrile Butylene

CA

Acetal, Celcon, Delrin

EPDM

Ethylene Propylene

FKM

Fluorocarbon Elastomer

PA

Poly Amide

PC

Polycarbonate

PE

Polyethylene

PA+FV

Glass Filled Poly Amide

PBT

Polybutylene Terephtalate

PEEK

Polyetheretherketone

PTFE

Polytetrafluoroethylene

POM

Poly Oxymethylene

UR

Urethane

SPDT

Single Pole Double Throw (Mechanical Switch Type)

UNF

Unified National Fine (Thread type)

VDR

Varistor for Surge Suppression

LED

Light Emitting Diode