Product type: PTC-resistor relay, 2 PTC-circuit protection
Model: MS220K2
Part numbers: T221923 (AC/DC 24 V), T221925 (AC 230 V)
Supply voltage:
AC/DC 24 V (AC ±10 %, DC 21–30 V)
AC 230 V ± 10 % (50/60 Hz)
Power consumption: ≤ 2 VA (AC 230 V) / < 2 VA (AC/DC 24 V)
Connectable sensors: 2 × (1…6 PTC resistors) according to DIN 44081/DIN 44082 or bimetal contacts
Switching threshold: < 4000 Ω
Output relays: 2 × 1 change-over contact (CO)
Contact type: Type 2 (general technical info)
Indicators: LEDs for operation and alarm
Rated ambient temperature: –20 °C … +55 °C
Dimensions (H × W × D): approx. 75 × 22.5 × 110–115 mm
Mounting: Snap-on on 35 mm DIN rail (EN 60715) or screw M4 (option)
Protection housing/terminals: IP30 / IP20
Weight: approx. 145 g
Approvals: CE Declaration of Conformity, UL recognized component
