Relay Lexicon

A
Ambient temperature
Approvals
Arc

B
Bifurcated contact
Bistable
Bounce time
Bounce
Break contact
Bridging contact
Bridging make contact

C
Case sealing
CECC (ECQAC)
Changeover contact
Characteristic features of contact materials
Clearance distance
Climatic cycling with condensation
Coil configuration
Coil resistance
Coil suppression circuit
Coil voltages
Contact
Contact carrier
Contact configuration
Contact endurance
Contact erosion
Contact force
Contact gap
Contact material
Contact resistance
Contact set
Contact type
Contact voltage drop
Continuous thermal load
Corrosive gas
Creepage distance
Current intensity characteristics
Cycle time

D
Damp heat constant
Damp heat cycling
Data of the energizing circuit
Degree of protection
Dielectric test voltage AC
Diode coil configuration
Double-break contact
Double-make contact
Double pole (single throw version)
Double throw (single pole version)
Drop time
Dry switching
Dustproof
Duty cycle
Dynamic response

E
Electrical endurance
Electromagnetic relay
Electromechanical relay
Electrostatic screening
Elementary relay
Endurance
Energization
Environmental endurance

F
Faston blade
Faston blade identification numbers for Mini size relays
Faston terminals
Flammability acc. to UL
Flammability
Forcibly guided contacts
Fritting
Functions of the relays

G
German testing and certification offices

H
Hermetically sealed

I
Immersion cleanable
Impulse form
Incendiary class HB
Incendiary class V
Industrial atmosphere
Input voltage
Insulation acc. to IEC 664 / VDE 0110 (1/89)
Insulation group
Insulation resistance
Insulation
International inspection and licensing authorities

J
Jump start

L
Limiting continuous current
Load current
Load dump
Load limit curve for DC voltage with resistive load
Load limit curve II
Load limit curve I
Load limit curve
Load limit curve for arcfree switching

M
Magnet system
Main applications of switching contacts
Main contact / Pre-contact
Make contact
Material combinations used
Max. ambient temperature
Max. break current
Max. continuous thermal load at 23 °C
Max. DC / AC switching voltage
Max. make current
Max. permissible coil temperature
Max. switching current
Max. switching power
Max. voltage UII
Measuring voltage
Mechanical data
Mechanical endurance
Mechanical stress resistance
Min. ambient temperature
Min. energization time
Min. operate voltage
Min. release voltage
Min. switching power
Min. voltage UI
Monostable
Moveable contact
Must operate voltage
Must release voltage

N
NC contact
NO contact
Nominal power
Nominal voltage
Non-operating current / voltage
Non-polarized (neutral) relay
Non-release current / voltage
Number of coils

O
Open
Operate
Operate current
Operate time
Operate voltage
Operating state
Operating v oltage range
Operation power
Operation
Ordering instructions
Overvoltage categories
Overvoltage

P
Parallel resistance
Permissible ambient temperature in operation
Plug-in / solder relays
Plug-in relays
Polarized relay
Pollution degree
Power relay
Pre-make contact
Print relays
PTB

R
Rated current
Rated power
Rated resistance
Rated voltage
Recommended for loads greater than ...
Reed contact unit
Reference voltage according to VDE 0110b (2/79)
Reference voltage
Relay cycles (dynamic response)
Relay cycles in monostable relays
Relay cycles in polarized relays
Relay protection classes (according to IEC 60 529)
Relay resistance
Relay time characteristics
Relay with no specified dynamic response
Relays sealed against washing
Release current
Release state (normal position)
Release time
Release voltage
Release
Remanence relays
Reset time
Reset voltage
Reset
Residual relays
Resistance to soldering heat
Rest state
Room ambient temperature (RT)

S
Sealed relay
Sealing
Semiconductor relay
Shock resistance
Single contact
Single pole (single throw version)
Single throw (single pole version)
SMD relay
Solder line resistant
Solder relay
Solderability
Spark suppression
Stationary contact
Steady state current limit
Suitable contact material for switching contacts
Surge voltage
Switching behavior
Switching capacity (minimum)
Switching current
Switching pow er
Switching rate
Switching voltage

T
Temperature cycling
Temperature rise due to load current
Temperature specifications
Terminal assignment
Terminal design
Testing voltage
Thermal resistance
Tracking resistance
Transit time
TÜV
Twin break contact
Twin make contact

U
Unpolarized relay
Upper limit temperature for the coil

V
VDE testing office
Version
Vibration resistance
Voltage drop

Z
Zener diode coil configuration