Pepperl+Fuchs KFD2-SR2-Ex1.W Switch Amplifier - 35mA 10Hz 1-Channel Isolated Barrier for Hazardous Areas
Price:
negotiable
MOQ:
1 piece
Delivery Time:
on request
Brand:
P+F
Product Description
Product Overview
The KFD2-SR2-Ex1.W is a 1-channel isolated barrier switch amplifier designed for industrial safety applications. This compact device provides reliable signal conditioning for hazardous area installations with SIL 2 safety certification.
Key Features
- 1-channel isolated barrier with 24V DC Power Rail supply
- Accepts dry contact or NAMUR sensor inputs
- Relay contact output with change-over contacts
- Integrated line fault detection (LFD) capability
- Reversible mode of operation for flexible configuration
- Safety Integrity Level SIL 2 with systematic capability SC 3
- Compact 20mm housing width for space-efficient installation
Technical Specifications
Power Supply
| Parameter | Specification |
|---|---|
| Connection | Power Rail or terminals 14+, 15- |
| Rated Voltage | 19 ... 30 V DC |
| Rated Current | ≤ 35 mA |
| Power Consumption | ≤ 0.7 W |
| Ripple | ≤ 10 % |
Input Characteristics
| Parameter | Specification |
|---|---|
| Connection | Terminals 1+, 2+, 3- |
| Signal Type | Digital Input |
| Open Circuit Voltage | approx. 8 V DC |
| Short-circuit Current | approx. 8 mA |
| Switching Point | 1.2 ... 2.1 mA |
| Switching Hysteresis | approx. 0.2 mA |
| Line Fault Detection | Breakage I ≤ 0.1 mA, Short-circuit I > 6 mA |
| Switching Frequency | < 10 Hz |
Output Characteristics
| Parameter | Specification |
|---|---|
| Connection | Terminals 7, 8, 9 |
| Output Type | Signal; Relay |
| Contact Loading | 250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos φ > 0.75; 40 V DC/2 A resistive load |
| Minimum Switch Current | 2 mA / 24 V DC |
| Energized/De-energized Delay | approx. 20 ms / approx. 20 ms |
| Mechanical Life | 10⁷ switching cycles |
Environmental & Mechanical
| Parameter | Specification |
|---|---|
| Ambient Temperature | -40 ... 70 °C (-40 ... 158 °F) |
| Degree of Protection | IP20 |
| Dimensions (W x H x D) | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) |
| Mass | approx. 150 g |
| Mounting | 35 mm DIN mounting rail acc. to EN 60715:2001 |
Safety Certifications & Approvals
Hazardous Area Certifications
ATEX: II (1)G [Ex ia Ga] IIC
ATEX: II (1)D [Ex ia Da] IIIC
ATEX: I (M1) [Ex ia Ma] I
IECEx: [Ex ia Ga] IIC
FM Approval: FM19US0207X
UL Approval: E106378
Functional Safety
| Parameter | Specification |
|---|---|
| Safety Integrity Level (SIL) | SIL 2 |
| Systematic Capability (SC) | SC 3 |
| Standard Compliance | IEC/EN 61508:2010 |
Product Images
Related Products
Compatible with various Pepperl+Fuchs sensors and safety components including KFD0 series isolators, NBB proximity sensors, and safety relays for complete industrial safety solutions.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
SC Automation Limited
Location
Unit 1406B 14/F，The Belgian Bank Building, Nos. 721-725 Nathan Road, Mongkok, Kowloon,Hong kong.
Contact Person
Joy chen