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.
This compact version is especially suitable for mounting in fuse-boxes or power-distribution
panels.
ATEX-approval according to
directice 94/9/EC
1 PTC-resistor (thermistor)
set, each 1...6 PTC-sensors
short-circuit monitoring of sensor-circuit
output-relay with 1 change-over contact (co)
2 LEDs for ON and ALARM
housing for mounting in fuse-boxes
mounting height 55 mm, 35 mm wide
assembly on DIN-rail or with 2 screws M4
Option:
- other suppy-voltages
Order-number:
|
1 CO
|
AC 220-240 V
|
T 222115
|
Same execution as MS 220 VA,
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
Option:
- other supply-voltages
Order-numbers:
|
1 CO
|
AC 220-240 V
|
T 222135
|
AC / DC 24 V
|
T 222131
|