---
lang: "it"
title: "KRA-S12/21-21-21: Coupling Device"
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end_of_life: "false"
---

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KRA-S12/21-21-21: Coupling Device 3 changeover contacts, 24 V AC/DC

Coupling devices are used to electrical isolation between logic and load.

Connection with screw-type terminals

## Technical Features

- Operating voltage (AC/DC) 24 V AC/DC
- Power consumption: 24 V AC/DC 50 mA
- Output / contacts 3 changeover contacts (3PDT)
- Output / contact material AgNi
- Output / switching voltage 250 V AC/DC
- Output / continuous current 6 A
- Output / switch-on current 8 A
- Output / switching frequency 360 cycles/h
- Response time 10 ms
- Release time 5 ms
- Mechanical endurance 2 x 107 switching cycles
- Electrical endurance 1 x 105 switching cycles
- Cross-section 2.5 mm2
- Display Red LED
- Dimensions (W x H x D) 22.5 x 75 x 100 mm
- Weight 140 g
- Operating temperature range -20 °C to +55 °C
- Storage temperature range -25 °C to +70 °C
- Input protection for housing / terminal block IP40 / IP20

 

 

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Fonte: https://shop.marcomweb.it/it/isolatore/ajt44l-2c-8p-8c-pc-board-jack-rj45-2c-shielded-1394

MARCOM S.r.l. — fornitore di fiducia per automazione industriale e building automation.