Specifications
| Type | Voltage Sensing Relay (Plug-in) |
| Brand | Omron |
| Series | LG2 |
| Weight | Approx. 100 g |
| Sockets | PF083A (front) / PL08 (back) |
| Part Number | LG2-DB |
| Wiring Note | Observe DC polarity (no rectifier circuit) |
| Operate Time | 0.5 s max |
| Mounting Type | 8-pin plug-in (socket mount) |
| Setting Range | SET 75-120%, RESET 70-115% of rated value |
| Certifications | Confirm compliance documentation at quote |
| Current Rating | 5A (rated carry current) |
| Voltage Rating | 12/24/48/100 VDC (detected voltage) |
| Output Contacts | DPDT (2 output contacts) |
| Repeat Accuracy | ±3% max |
| Country of Origin | Japan |
| Power Consumption | 3 W max |
| Switching Capacity | 5A @ 28 VDC, 0.2A @ 110 VDC |
| Ambient Temperature | -10 to +40 °C |
Documents
Datasheet PDFCompatible With
Description
Sourced and supplied by Al Imran Enterprises, Lahore, Pakistan. The Omron LG2-DB is a compact, economical plug-in voltage sensing relay from the LG2 series, designed to detect DC voltage and switch its DPDT output contacts when the monitored voltage crosses the set point. Voltage control is carried out in the same easy manner as an electromagnetic relay, because the output relay is driven directly by the detection signal, expanding the sensor to control, alarm and indication duties in DC control systems. Rated for a detected voltage of 12, 24, 48 or 100 VDC with a maximum power consumption of 3 W, the relay provides a rated carry current of 5 A across its two output contacts. The must-operate (SET) and must-release (RESET) voltages are adjustable over 75% to 120% and 70% to 115% of the rated value respectively. Note that the LG2-DB is not equipped with a rectifier circuit, so the polarity of the DC supply must be observed when wiring. Operating and release time is 0.5 s maximum, repeat accuracy is ±3% maximum, and switching capacity is 5 A at 28 VDC and 0.2 A at 110 VDC. The 8-pin plug-in construction mounts on PF083A front or PL08 back connecting sockets, with a hold-down clip available to prevent faulty contact. Voltage sensing relays of this type are widely used for DC voltage monitoring, undervoltage protection, alarm and interlock duties in battery-backed control systems, DC drives, process instrumentation and safety circuits, where an out-of-range supply voltage can cause equipment damage or production loss. This genuine Omron part is cross-referenced for panel and plant maintenance applications. Al Imran Enterprises supplies it to sugar mills, textile mills, cement plants, pharmaceutical plants, food processing, fertilizer, oil & gas, manufacturing and industrial automation customers across Pakistan, either from local stock or on a short import lead time. Contact us for pricing, lead times, and technical compatibility checks.
Alternative & Related Parts
LG2-AB
Omron LG2-AB – Voltage Sensing Relay (100/110/200 VAC, DPDT, Plug-in)
LG2-DB 130177
OMRON LG2-DB 130177 Voltage Sensor Relay (DC100V, DPDT, Plug-in)
LG2-DB 130177
OMRON LG2-DB 130177 Voltage Sensor Relay (DC100V, DPDT, Plug-in)
LG2-AB
Omron LG2-AB – Voltage Sensing Relay (100/110/200 VAC, DPDT, Plug-in)
LG2-DB — Frequently Asked Questions
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