Pepperl+Fuchs KFA6-SR2-Ex2.W 2-Channel Switch Amplifier 20mm Width 253V AC SIL 2 Safety

Price Negotiable

Price: negotiable

MOQ: 1 piece

Delivery Time: on request

Brand: P+F

Product Description

KFA6-SR2-Ex2.W Switch Amplifier Overview

2-channel isolated barrier with 230V AC supply, designed for dry contact or NAMUR inputs with relay contact outputs. Features line fault detection and reversible operation mode for industrial safety applications.

Key Features

Safety Integrity Level (SIL) 2 compliance per IEC/EN 61508/61511
Line fault detection for breakage (I ≤ 0.1 mA) and short-circuit (I > 6 mA)
Reversible mode of operation
20 mm housing width for space-efficient installation
207-253 V AC, 45-65 Hz rated voltage
Relay contact output with 253 V AC/2 A capacity

Technical Specifications

Power Supply

Parameter	Specification
Connection	terminals 14, 15
Rated Voltage	207 ... 253 V AC, 45 ... 65 Hz
Power Consumption	max. 1.3 W
Power Dissipation	1.2 W

Input Characteristics

Parameter	Specification
Connection	terminals 1+, 2+, 3-; 4+, 5+, 6-
Field Device	NAMUR sensor or volt-free contact
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

Output Specifications

Parameter	Specification
Connection	output I: terminals 7, 8, 9; output II: terminals 10, 11, 12
Type	2 x relay (change-over contact)
Contact Loading	253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load
Switching Frequency	≤ 10 Hz
Mechanical Life	10⁷ switching cycles

Environmental & Mechanical

Parameter	Specification
Ambient Temperature	-20 ... 60 °C (-4 ... 140 °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 per EN 60715:2001