- 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 and 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 directive 2014/34/EU
- SIL 1 according to IEC 61508
- PL c according to ISO 13849
- 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-housing, vertically arranged terminals housing 22.5 mm wide
- assembly on DIN-rail or with 2 screws M4 (option)
- UL Recognized Component
- Option: other supply voltages
Thông số kỹ thuật
- Rated supply voltage Us.......AC 220 - 240 V ± 10 % 50/60 Hz ≤ 2 VA ; AC/DC 24 V, AC ± 10 % DC 21- 30 V < 2 VA,without potential separation
- Connectable PTC resistors.......1...6 PTC in series according DIN 44081 or 44082
- Switching point.......< 4000 Ω
- Output relay.......1 or 2 change-over-contact (co)
- Type of contact.......Type 2 see general technical information
- Test conditions.......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