ENDRESS+HAUSER RTA 421 Limit alarm switch

Manufacturer: Endress+Hauser

Type: Limit Alarm Switch

Model: RTA421

Order Code: RTA421-A11A

Supply voltage: 196 … 253 V AC

Frequency: 50 / 60 Hz

Power consumption: 3 VA

Input Voltage: 0/2 … 10 V

Input Current: 0/4 … 20 mA

Integration time: 4 S

Output signal: 24 V ±20%, 30 mA

Galvanic isolation: Between power supply and relay outputs

Number of Contacts: 2 Contacts

Contact type: Single Pole Double Through potential free contact per relay

Contact load: ≤ 250 VAC, 8(2) A / 30 VDC, 5(2) A

Ambient Temperature: -20 °C … +70 °C

Degree of Protection: IP20

Mounting: DIN rail

Housing: Plastic PC/ABS, UL 94V0