Barriers
Showing 1–12 of 798 results
UNIVERSAL TRIP AMPLIFIER – PR ELECTRONICS – PART NO.: 2231D
- The front-operated push buttons are used for programming the different standard functions.
- A password can prevent access to changing parameters.
- Alarm detector in connection with measurement of AC/DC current or voltage signals.
- The unit is used where accurate setpoint settings and different alarm functions are required.
- The unit can be used as a single or dual trip amplifier. Used in applications where programmable parameters such as hysteresis, setpoint, reset, active relay for increasing or decreasing signal, delay and input signal need to be set.
- 3-digit display showing the input signal in %.
- Two LED indicating relay status.
- 3 pushbuttons for programming.
- Standard DC current input signals in the range 0…20 mA.
- DC voltage signals in the range 0…250 VDC.
- AC current signals up to 1 A. True RMS measurement of AC voltage signals in the range 0…250 VAC.
- Mounting for a standard 11-pole socket which can be adapted for DIN rail or plate use with PR’s 7023 adaptors and 7024 mounting keyings.
- Supply D – 24 VDC
(0 reviews)€429,77
Universal trip amplifier – PR electronics – Part No.: 4131
- Input for RTD, TC, Ohm, potentiometer, mA and V
- 2 adjustable alarm limits
- FM-approved for installation in Div. 2
- 2 relay outputs
- Universal AC or DC supply
(0 reviews)€238,11
SWITCHING REPEATER SERIES 9170 – R. STAHL – PART NO.: 9170/21-12-11S
Switching repeater
Ex i field circuit
Explosion-protected
Type : 9170/21-12-11s
Number of channels : 2
Connection type : Screw terminal
Output per channel : 1 change over – power relay
LFD relay : Yes
Nominal current : 55 mA
Auxiliary power : 24 V DC
SIL : 2
Min. ambient temperature : -20 °C
Max. ambient temperature : +70 °C
Max. voltage Uo : 9,6 V
Max. current Io : 10 mA
Max. power Po : 24 mW
Gas explosion protection :
II (1) G Ex [Ex ia Ga] IIC
Dust explosion protection : II (1) D [Ex ia Da] IIIC(0 reviews)€80,00
SINGLE-CHANNEL ZENER BARRIERS SERIES 9001 – R. STAHL – Part No.: 9001/01-158-390-101
Product variant Series 9001/01, Single-channel safety barriers for positive polarity
Product Type 9001/01-158-390-101
Product Description Single-channel safety barriers(0 reviews)€80,50
DUAL-CHANNEL ZENER BARRIERS SERIES 9002 – R. STAHL – Part No.: 9002/77-093-040-001
Product variant Series 9002/77, Star barrier / star barrier
Product Type 9002/77-093-040-001
Product Description Dual-channel safety barrier(0 reviews)€115,00SINGLE-CHANNEL ZENER BARRIERS SERIES 9001 – R. STAHL – Part No.: 9001/02-016-150-111
Product variant Series 9001/02, Single-channel safety barriers for alternating polarity
Product Type 9001/02-016-150-111
Product Description Single-channel safety barriers(0 reviews)€87,00
Current/Voltage Trip Value – PEPPERL+FUCHS – Part no.: KFD2-GS-1.2W
1-channel signal conditioner, 24 V DC supply (Power Rail), Current and voltage input, 2 relay contact outputs, Programmable high/low alarm, Configurable via DIP switches and potentiometer, Terminal blocks with test socketspa
(0 reviews)€0,00
Conductivity Switch Amplifier – PEPPERL+FUCHS – Part no.: KFD2-ER-Ex1.W.LB
1-channel isolated barrier, 24 V DC supply (Power Rail), Level sensing input, Adjustable range 1 kΩ … 150 kΩ, Relay contact output, Fault relay contact output, Adjustable time delay up to 10 s, Minimum/maximum control, Line fault detection (LFD)pa
(0 reviews)€0,00
Conductivity Switch Amplifier – PEPPERL+FUCHS – Part no.: KFD2-ER-1.W.LB
1-channel signal conditioner, 24 V DC supply (Power Rail), Level sensing input, Adjustable range 1 kΩ … 150 kΩ, Relay contact output, Fault relay contact output, Adjustable time delay up to 10 s, Minimum/maximum control, Line fault detection (LFD)pa
(0 reviews)€0,00Conductivity Switch Amplifier – PEPPERL+FUCHS – Part no.: KFD2-ER-1.5
1-channel signal conditioner, 24 V DC supply (Power Rail), Level sensing input, Adjustable range 1 kΩ … 30 kΩ, Relay contact output, Minimum/maximum controlpa
(0 reviews)€0,00
Conductivity Switch Amplifier – PEPPERL+FUCHS – Part no.: KFA6-ER-Ex1.W.LB
1-channel isolated barrier, 230 V AC supply, Level sensing input, Adjustable range 1 kΩ … 150 kΩ, Relay contact output, Fault relay contact output, Adjustable time delay up to 10 s, Minimum/maximum control, Line fault detection (LFD)pa
(0 reviews)€0,00
Conductivity Switch Amplifier – PEPPERL+FUCHS – Part no.: KFA6-ER-2.W.LB
2-channel signal conditioner, 230 V AC supply, Level sensing input, Adjustable range 1 kΩ … 150 kΩ, Relay contact output, Adjustable time delay up to 10 s, Minimum/maximum control, Line fault detection (LFD)pa
(0 reviews)€0,00