PTC-Thermistor-Relay Type MS220KA

PTC-Resistor-Relay, single PTC-circuit, ATEX-Approval 2014/34/EU

PTC-Thermistor-Relay Type MS220KA

Part number

AC 220-240 V
1 contact
AC 220-240 V
2 contacts
AC/DC 24 V
2 contacts

Approvals


Product description

 

PTC-relay for the application as a protection device against inadmissible heating up at electrical equipment in areas with explosive gases (zones 1 and 2) and areas with combustible dust (21 and 22), e.g. for direct temperature-monitoring of explosion-proof motors EEx e and EEx d. Vertically arranged terminals. Each terminal remains accessible even if all others are already occupied.

Features

  • ATEX directive 2014/34/EU
  • SIL 1 according to IEC 61508
  • PL c according to ISO 13849
  • 1 PTC-resistor (thermistor) set, each 1...6 PTC-sensors
  • short-circuit monitoring of sensor-circuit
  • output-relay with 1 or 2 change-over contacts (co)
  • 2 LEDs for ON and ALARM
  • K-housing, vertically arranged terminals housing 22.5 mm wide
  • assembly on DIN-rail or with 2 screws M4 (option)
  • UL Recognized Component
  • Option: other supply voltages

 

Technical data

Rated supply voltage Us

.......

AC 220 - 240 V ± 10 % 50/60 Hz ≤ 2 VA
AC/DC 24 V, AC ± 10 % DC 21- 30 V < 2 VA,
without potential separation

 

Connectable PTC resistors

.......

1...6 PTC in series according DIN 44081 or 44082

 

Switching point

.......

< 4000 Ω

 

Output relay

.......

1 or 2 change-over-contact (co)

 

Type of contact

.......

Type 2 see general technical information

 

Test conditions

.......

see general technical information

 

Rated ambient temperature

.......

-20...+55 °C

 

Dimensions h x w x d

.......

Design K: 75 x 22.5 x 115 [mm]

 

Attachment

.......

on 35 mm DIN rail according to EN 60 715 or screws M4 (option)

 

Protection Housing/Terminals

.......

IP30/IP20

 

Weight

.......

approx. 150 g