Vutlan VT520 — AC Voltage Monitor
Sensor that monitors AC mains — connects to Vutlan monitoring units for presence/absence detection, voltage level and outage alerts. Instant SMS/email/SNMP alarm on UPS bypass or power cut.

Specifications
- Tip / Type
- AC voltage monitor sensor
- Üretici / Manufacturer
- Vutlan
- Bağlantı / Connection
- Vutlan host monitör portuna
- AC tespiti / AC detection
- Presence + voltage level + outage
- Uyumlu monitörler / Compatible
- VT825, VT604, VT805 vb.
- Çalışma sıcaklığı / Operating
- -10 °C ila +80 °C
- Garanti / Warranty
- 2 yıl, AB üretimi
Key features
- AC presence detection.
- Voltage-level reading + threshold alarm.
- Power-outage detection — UPS bypass or full outage.
- SNMP/SMTP/SMS alerting via host monitor (VT825 etc.).
- Works with various host port categories.
- Operating: -10 °C to +80 °C.
- Local-enclosure or DIN-rail mounting.
Typical applications
Data-center UPS bypass alert.
Telecom BTS mains outage — operator SMS.
Cold-storage mains outage — instant alarm.
Bank branch — AC monitoring in the vault room.
Hotel main panel AC monitoring + graph log.
Related Solutions
Related Products

1U rack monitor for data centers, remote/industrial facilities and offices — connects up to 30 sensors, 12 dry contacts, two 12V alarm beacons. Built-in HTTP/HTTPS/SNMP v1/2c/3, SMTP, Radius, Syslog, FTP, DHCP, watchdog agents. Optional GSM modem and 1-Wire expansion.
Details
Standalone temperature sensor connecting to Vutlan VT825/VT604 and other monitoring units via RJ-12 AutoSense port. For temperature-threshold alarms, graph logging and SNMP/SMTP/SMS alerting.
DetailsCompact 48V DC power system in 262 mm depth, 1U high — fits in small infrastructure cabinets, used in small switches and branches. Smartpack S controller + 2-3 rectifiers (1800W each) + battery + load distribution in one 1U platform. Remote management over Ethernet.
DetailsHigh-rate emergency backup battery for UPS and security systems — Exide GNB Sprinter P/XP series (NAPW120875HP0MC). 1157W per block at 10-minute 1.6V/C discharge @ 25°C, 41Ah at 10-hour 1.8V/C. EUROBAT 'Long Life' 10-12 year design life, maintenance-free AGM technology.
DetailsSensor that monitors AC mains — connects to Vutlan monitoring units for presence/absence detection, voltage level and outage alerts. Instant SMS/email/SNMP alarm on UPS bypass or power cut.