Littelfuse AF0500-00-CC, AF0500 Series, Arc-Flash Relay, 110-250VDC, Conformally Coated
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The AF0500 is a microprocessor-based arc-flash relay that limits arc-fault damage by detecting the light from an arc flash and rapidly tripping the feeder breaker. The unit is well suited for switchgear,transformer and power converter applications.
Sensors, inputs, and connections are health monitored to ensure fail-safe operation. A secondary solid-state trip circuit provides a redundant trip path. A USB port is used for configuration and access to event logs.
AF0500 includes an Ethernet interface and supports Modbus® TCP communication. Zone tripping, upstream breaker tripping and tie breaker tripping applications can be easily configured.
A number of control inputs allows interconnection of multiple AF0500 units to form a system.
Pre-order 6-8 Weeks
Specifications
| Power Supply | |
| Universal | 100 to 240 Vac (+10%, -15%) 50/60 Hz, 20 VA, 110 to 250 Vdc (+10%, -20%) 8 W |
| Low Voltage | 24 to 48 Vdc (+10%, -20%), 4 W |
| Sensor Inputs | 4 light sensor inputs for PGA-LS10, PGA-LS20 and PGA-LS30 sensors |
| Trip Outputs | 2 IGBT switches |
| UL Rating |
120/240 Vac, 1800 VA, 0.75 A maximum continuous, 125/250 Vdc, 138 VA, 0.75 A maximum continuou |
| Supplemental Rating | |
| Make/Carry | 30 A for 0.2s |
| Voltage Rating | 24 to 300 Vac, 24 to 300 Vdc |
| Current Rating | 20 A for 2 s, 10 A for 5 s |
| Communication | Ethernet, 2 ports with internal Ethernet switch, Modbus® TCP |
| Dimensions |
H 130 mm (5.1”) W 200 mm (7.9”) D 54 mm (2.1”) |
| Shipping Weight | 0.9 kg (2 lb) |
| Operating Temp | –40°C to +70°C (–40°F to 158°F) |
| Approvals | UL Listed (UL508), CE, RCM, FCC, CSA |
| Warranty | 5 years |
| Mounting | Surface, DIN (with optional D0050 adapter clips) |