Thermal relay PTC, type MSF 220 K
Thermal relay PTC, type MSF 220 K

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Manufacturer: ZIEHL

Thermal relay PTC, type MSF 220 K

MSF 220 K
Low Cost execution for the monitoring of dry transformers. Alarm 1 with relay in closedcircuit current mode for preliminary warning, releases at over-temperature at PTC-set 1 and serves at the same time as functional monitoring.
Alarm 2 in operating current mode. Thus no wiping signal occurs when switching on the supply voltage on. Additional terminals enable comfortable wiring from supply voltage to relays K1 and/or K2.

2-PTC resistor sets
2 output relays 1 change-over
contact (co) / 1 normally open
contact (no)
TEST-button, for alarm 1 and
2 power on green LED
red LEDs for alarm 1 and 2
K-type housing, vertically
arranged terminals, 22,5 mm
wide
for attachment on DIN rail 35
mm or with 2 screws M4
 
Order numbers:
2 CO
AC 220-240 V
T 221716
AC / DC 24 V
T 221715
Technical data
Rated supply voltage US
AC 220 - 240 V, ± 10 %, 50/60 Hz, ≤2 VA
 
AC/DC 24-240 V, AC 19 -264 V DC 20-297 V < 2 VA
connectable PTC resistors
2 x 1... 6 PTC according to DIN 44081 or 44082
switching point
  
output relays
1 change-over contact (co), 1 normally-open contact
type of contact
Typ 2
rated ambient temperature
 
-20...+55 OC
dimensions(h x w x d)
casing K: 75 x 22,5 x 110 [mm]
attachment
on 35 mm DIN rail according to DIN EN 50 022
or with screws M4
 
 
protection housing / terminals
 
IP30 / IP20
weight
110 g
 

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MSF 220 K
Low Cost execution for the monitoring of dry transformers. Alarm 1 with relay in closedcircuit current mode for preliminary warning, releases at over-temperature at PTC-set 1 and serves at the same time as functional monitoring.
Alarm 2 in operating current mode. Thus no wiping signal occurs when switching on the supply voltage on. Additional terminals enable comfortable wiring from supply voltage to relays K1 and/or K2.

2-PTC resistor sets
2 output relays 1 change-over
contact (co) / 1 normally open
contact (no)
TEST-button, for alarm 1 and
2 power on green LED
red LEDs for alarm 1 and 2
K-type housing, vertically
arranged terminals, 22,5 mm
wide
for attachment on DIN rail 35
mm or with 2 screws M4
 
Order numbers:
2 CO
AC 220-240 V
T 221716
AC / DC 24 V
T 221715
Technical data
Rated supply voltage US
AC 220 - 240 V, ± 10 %, 50/60 Hz, ≤2 VA
 
AC/DC 24-240 V, AC 19 -264 V DC 20-297 V < 2 VA
connectable PTC resistors
2 x 1... 6 PTC according to DIN 44081 or 44082
switching point
  
output relays
1 change-over contact (co), 1 normally-open contact
type of contact
Typ 2
rated ambient temperature
 
-20...+55 OC
dimensions(h x w x d)
casing K: 75 x 22,5 x 110 [mm]
attachment
on 35 mm DIN rail according to DIN EN 50 022
or with screws M4
 
 
protection housing / terminals
 
IP30 / IP20
weight
110 g
 

-

Less
Read more
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