Isolating switching amplifiers KFA/KHA for electrical contact

SAL 78410 object_image_64477imagemain_en

Data sheet Isolating switching amplifiers KFA/KHA for electrical contact

Application

This isolation is suitable for intrinsically safe applications. The device transmits binary signals from SN/S1N proximity sensors and approved mechanical contacts from the hazardous area/Ex area to safe areas.

Versions

	Part no.	Remember
Isolating switching amplifiers KFA6-SR2-Ex1.W	38215
Isolating switching amplifiers KFA6-SR2-Ex2.W	38216
Isolating switching amplifiers KHA6-SH-Ex1	38217

Blue part no. = in-stock items

Downloads

	Description	Format	Language	Download / Link
Data sheet Isolating switching amplifiers KFA/KHA for electrical contact	Data sheet	PDF

Technical data

Supply voltage

AC 207 – 253 V, 45 – 65 Hz

Open circuit voltage

Standard version:

DC 8 V

Safety version:

DC 8.4 V

Short circuit current

Standard version:

Approx. 8 mA

Safety version:

Approx. 11.7 mA

Switching output

KFA6-SR2-Ex1.W:

1 x voltage-free changeover contact

KFA6-SR2-Ex2.W:

2 voltage-free changeover contacts

KHA6-SH-Ex1:

1 x voltage-free changeover contact

Standard version:

AC 250 V, 2 A
DC 40 V 2 A

Safety version:

AC 250 V, 1 A
DC 24 V 1 A

EU type examination certificate

Standard version:

PTB 00 ATEX 2081
EX II (1)G [Ex ia Ga] IIC
EX II (1)D [Ex ia Da] IIIC

Safety version:

PTB 00 ATEX 2043
Ex II (1)GD [Ex ia] IIC

Operating temperature range

Ambient:

-20/+60 °C

Housing

Plastic (Makrolon) DIN rail mounting 35 x 7.5 mm as per EN 60715

W x H x D:

20 x 119 x 115 mm, 40 x 93 x 115 mm

Degree of protection:

IP 20 (EN 60529)

SIL

Standard version:

Up to SIL 2 as per IEC 61508/IEC 61511

Safety version:

Up to SIL 3 as per IEC 61508