PTC-Resistor-Relay Type MS220K, AC/DC 24-240V

PTC-resistor relay, single PTC-circuit , 1 change-over contact, 1 normally open, Universal voltage power supply

MS220K (T221749) up to December 2024

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Part number

T221749
AC/DC 24-240 V
1 normally closed / 1 normally opened

Approvals

Product description

 

This product was updated. Alternative devices with small deviations are: MSR220K type T228111

Modification: Version with spring terminals RoHS/REACH compliant.

Further information can be found in our customer information: “New terminals for K-type devices”

The MS220K is a particularly econommical standard design in a 22.5 mm wide housing with vertically arranged terminals. Each terminal remains accessible even if all others are already occupied.

  • 1 PTC resistor set 1...6 PTC resistors, or bimetal contacts
  • Output relay with 1 change-over contact, 1 normally open
  • Operating status display with LED
  • Housing design K, vertical terminals order
  • Width  22.5 mm
  • Snap mounting on 35 mm standard DIN rail or screw mounting

Ein Ruhestrom überwacht den ohmschen Widerstand im Fühlerkreis. Im kalten Zustand liegt der Widerstand bei ≤ 250 Ω je Fühler (Fühlerkreis ≤ 1, 5 kΩ). Das Gerät ist eingeschaltet und die Klemmen 11,14 bzw. 21,24 geschlossen. Der Fühlerwiderstand ändert sich sprunghaft bei der Ansprechtemperatur NAT. Das Gerät schaltet ab bei einem Widerstand von 3...4 kΩ. Kontakt 11,12 schließt un d 11,14 bzw. 21,24 öffnet. Auslösegeräte Typ MS schalten selbsttätig wieder ein, wenn die Temperatur um ca. 5°C abgekühlt ist.

 

Technical data

Rated supply voltage Us

.......

AC/DC 24 - 240 V

 

Connectable PTC resistors

.......

1...6 PTC according DIN VDE V 0898-1-401 (formerly DIN 44081/82) or bimetal contacts (Klixon)

 

Switching point

.......

< 4000 Ω

 

Output relay

.......

1 change-over-contact (co), 1 normally open (no)

 

Type of contact

.......

Type 2 (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

 
 

Downloads

Datasheet

Operating manual

Quick Guide