Thermal relay PTC, type MS(R)220 KA
  • Thermal relay PTC, type MS(R)220 KA

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Manufacturer: ZIEHL

Thermal relay PTC, type MS(R)220 KA

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 an 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.
 
ATEX-approval according to
directive 94/9/EC
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-kousing,vertically arranged terminals
housing 22.5 mm wide
assembly on DIN-rail or with 2 screws M4 (option)
UL Recognized Component
Option:
- other suppy-voltages
 
Order-numbers:
1 CO
2 CO
AC 220-240 V
T 222145
T 222155
AC / DC 24 V
 
T 222151

MSR 220 KA
Same execution as MS 220 KA,
additionally with electronic reclosing
lock. An alarm is stored until
a reset is made.
 
ATEX-approval according to
directive 94/9/EC
electronic reclosing lock (disconnectable)
integrated RESET-button
link for external reset
automatic reset at voltage
recovery
LEDs for power-on (green)
and alarm (red) in resetbutton
UL Recognized Component
Option:
- other suppy-voltages
Order-numbers:
1 CO
2 CO
AC 220-240 V
T 222165
T 222175
AC / DC 24 V
 
T 222171
AC 110-120 V
 
T 222173
AC 380-415 V (brak UL)
 
T 222176
 
Technical data

Rated supply-voltageUs
AC 220 - 240 V, ± 10 %, 50/60 Hz, ≤2 VA
 
AC/DC 24 V, AC ± 10 % DC 21-30 V < 2 VA Bez separacji
connectable PTC-resistors
1...6 in series according toDIN 44081 or 44082
 
 
switching point
 
output relay
1 or 2 change-over contacts (co)
type of contaxt
Typ 2
rated ambient temperature
 
-20...+55 0C
rated ambient temperature
casing K: 75 x 22,5 x 110 [mm]
attachment
on 35 mm DIN-rail or with 2 screws M4 (option)
   
protection housing/terminals
 
IP30 / IP20
Weight
150 g
 

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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 an 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.
 
ATEX-approval according to
directive 94/9/EC
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-kousing,vertically arranged terminals
housing 22.5 mm wide
assembly on DIN-rail or with 2 screws M4 (option)
UL Recognized Component
Option:
- other suppy-voltages
 
Order-numbers:
1 CO
2 CO
AC 220-240 V
T 222145
T 222155
AC / DC 24 V
 
T 222151

MSR 220 KA
Same execution as MS 220 KA,
additionally with electronic reclosing
lock. An alarm is stored until
a reset is made.
 
ATEX-approval according to
directive 94/9/EC
electronic reclosing lock (disconnectable)
integrated RESET-button
link for external reset
automatic reset at voltage
recovery
LEDs for power-on (green)
and alarm (red) in resetbutton
UL Recognized Component
Option:
- other suppy-voltages
Order-numbers:
1 CO
2 CO
AC 220-240 V
T 222165
T 222175
AC / DC 24 V
 
T 222171
AC 110-120 V
 
T 222173
AC 380-415 V (brak UL)
 
T 222176
 
Technical data

Rated supply-voltageUs
AC 220 - 240 V, ± 10 %, 50/60 Hz, ≤2 VA
 
AC/DC 24 V, AC ± 10 % DC 21-30 V < 2 VA Bez separacji
connectable PTC-resistors
1...6 in series according toDIN 44081 or 44082
 
 
switching point
 
output relay
1 or 2 change-over contacts (co)
type of contaxt
Typ 2
rated ambient temperature
 
-20...+55 0C
rated ambient temperature
casing K: 75 x 22,5 x 110 [mm]
attachment
on 35 mm DIN-rail or with 2 screws M4 (option)
   
protection housing/terminals
 
IP30 / IP20
Weight
150 g