Siemens 3RR2142-1AA30 Analog Current Monitoring Relay for 3RT2
Siemens 3RR2142-1AA30 analog current monitoring relay for 3RT2, 4-40A.
The Siemens 3RR2142-1AA30 is a basic analog monitoring relay designed for mounting onto Contactor 3RT2, Size S0. It offers apparent current monitoring with an adjustable range of 4 to 40 A at 50-60 Hz. The relay operates on 24V AC/DC and features one change-over contact.
This monitoring relay provides crucial protection by detecting current overshoot and undershoot, phase failure, and cable breaks, with adjustable ON delay (0-60s) and noise pulse suppression (0-30s). It is suitable for a wide range of industrial applications, including motor protection and control systems.
Stanlo Automation, a veteran-owned surplus parts distributor, ensures you have access to essential components like the Siemens 3RR2142-1AA30. We help keep your industrial operations running efficiently with reliable surplus parts.
| Part Number | 3RR2142-1AA30 |
| Manufacturer | Siemens |
| Type | Monitoring Relay |
| Mounting | On Contactor 3RT2, Size S0 |
| Monitoring | Apparent Current |
| Current Range | 4...40 A |
| Frequency | 50...60 Hz |
| Supply Voltage | 24 V AC/DC |
| Contacts | 1 Change-over Contact |
| Features | Overshoot/Undershoot, Phase Failure, Cable Break, ON Delay, Noise Pulse Suppression |