1-Channel Isolated Barrier
The KFD2-SH-EX1 is a single-channel isolated switch amplifier for digital input signals from approved dry contacts or SN/S1N sensors.
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Pepperl+Fuchs
Pepperl+Fuchs KFD2-SH-EX1 Switch Amplifier 20-35 VDC SIL 3
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$209.00
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PRODUCT DOCUMENTATION
Product Information
Technical specifications, features, applications and purchasing information.
Technical Specifications
| Brand | Pepperl+Fuchs |
| Model Number | KFD2-SH-EX1 |
| Product Category | Switch Amplifier |
| Signal Type | Digital Input |
| Channels | 1 |
| Rated Supply Voltage | 20-35 VDC |
| Rated Current | ≤130 mA |
| Power Consumption | 2.3 W Max. |
| Input Type | Approved Dry Contacts or SN/S1N Sensors |
| Response Delay | ≤1 ms |
| Signal Outputs | 2 Relay Outputs |
| Fault Signal Output | Passive Electronic Output |
| Switching Frequency | 5 Hz |
| Safety Integrity Level | SIL 3 |
| Performance Level | PL d |
| Degree of Protection | IP20 |
| Connection | Screw Terminals |
| Mounting | 35 mm DIN Rail |
| Dimensions | 40 x 107 x 115 mm |
Key Features
20-35 VDC Supply
The documented rated supply voltage range is 20-35 VDC through the Power Rail or specified supply terminals.
Two Relay Signal Outputs
The control side provides two relay signal outputs together with a separate passive electronic fault-signal output.
≤1 ms Response Delay
The documented response delay for the switch amplifier is no more than 1 ms.
Line Fault Detection
The KFD2-SH-EX1 includes line fault detection for monitoring applicable field-side sensor and wiring conditions.
SIL 3 Functional Safety
The documented functional-safety parameters include Safety Integrity Level SIL 3 and Performance Level PL d.
Applications
- Safety-related sensor signal interfacing
- Hazardous-area digital signal isolation
- SN and S1N sensor monitoring
- Dry-contact signal interfacing
- Industrial machine safety circuits
- Process automation signal isolation
- Control cabinet signal conditioning
- Industrial safety system integration
Purchase Information
We support online purchase of the Pepperl+Fuchs KFD2-SH-EX1 Switch Amplifier. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.
Frequently Asked Questions
What is Pepperl+Fuchs KFD2-SH-EX1?
Pepperl+Fuchs KFD2-SH-EX1 is a one-channel isolated switch amplifier with a 24 VDC-class supply, input for approved dry contacts or SN/S1N sensors, relay outputs, fault indication and line fault detection.
What supply voltage does KFD2-SH-EX1 use?
The documented rated supply voltage range is 20-35 VDC.
What input devices can KFD2-SH-EX1 accept?
The documented input is intended for approved dry contacts or SN/S1N safety sensors.
What outputs does KFD2-SH-EX1 provide?
The device provides two relay signal outputs and one passive electronic fault-signal output.
What is the response delay?
The documented response delay is ≤1 ms.
What is the switching frequency?
The documented switching frequency is 5 Hz.
Does KFD2-SH-EX1 provide line fault detection?
Yes. Line fault detection is a documented function of the switch amplifier.
What functional-safety level is documented?
Pepperl+Fuchs specifies SIL 3 according to IEC/EN 61508 and PL d according to EN/ISO 13849.
What is the protection rating?
The documented degree of protection is IP20.
How is KFD2-SH-EX1 mounted?
The device is designed for mounting on a 35 mm DIN mounting rail.
What applications can KFD2-SH-EX1 be considered for?
It can be considered for safety-related digital sensor interfacing, signal isolation and hazardous-area measurement circuits after the complete safety architecture and electrical requirements have been checked.
What should be checked before ordering KFD2-SH-EX1?
Check the complete model number, 20-35 VDC supply, required SN/S1N sensor or dry-contact input, relay output requirements, safety level, terminal arrangement and hazardous-area system documentation before purchasing.
Need help confirming a model?
Send us your part number and technical requirements.
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