Littelfuse AF0025 Arc-Flash Detection Relays
Littelfuse AF0025 Arc-Flash Detection Relays feature innovative arc-flash protection in a compact 46.23mm depth. The relays provide two sensor optical inputs, which reduce arc-fault damage by quickly employing a trip signal. The AF0025 antennas can be surface-mounted or DIN-rail mounted in tight spaces. Littelfuse AF0025 Arc-Flash Detection Relays include a solid-state redundant trip circuit and an internal fail-safe mechanism. The antennas are conformal coated against environmental elements, which is ideal for solar combiner boxes, inverters, industrial uninterruptible power supply (UPS), junction boxes, and OEM panel applications.
Features
- Compact 46.23mm depth
- Two sensor inputs
- Flexible installation
- Fixed light sensitivity
- Internal fail-safe design
- Redundant solid-state circuitry
- Selectable fail-safe and non-fail-safe operation
Applications
- Solar combiner boxes
- Inverters
- Industrial UPS
- Junction boxes
- OEM panels
Specifications
- 24VDC input voltage
- Form C, 240VAC/30VDC, 6A resistive trip and error output contacts
- <5ms typical trip time
- 112.25mm x 127.5mm x 46.23mm dimensions
- -40°C to +70°C operating temperature range
- 3klx fixed sensitivity
- 1kg weight
Dimensions
Application Circuit Diagram
Published: 2023-11-30
| Updated: 2023-12-19