Features of AF0100 Littelfuse Arc Flash Relay
- Compact size: Fits into a broad range of arc-flash applications
- Works with two different optical sensor types: Point sensors, fiber-optic sensors, or any combination of them
- Dual sensor inputs: One relay can monitor two arc-flash sensors
- Adjustable light sensitivity: Allows for operation in bright environments and maximum sensitivity in dark environments
- Discrete wire networking: Multiple AF0100 or AF0500 units can be interconnected to form a system
- Fail-safe system: Continuous monitoring of optical sensors and inputs ensure maximum protection
- USB interface: Configuration software is easy to use with no drivers or software installation
- Unit health indication: Continuous protection with self-diagnostic and remote unit health indication
- LED indication: Trip and sensor status indication on the relay and sensors
Applications of AF0100 Littelfuse Arc Flash Relay
- Switchgear cubicle
- Transformer compartment
- Generator control panel
- Motor control center bucket
Specification of AF0100 Littelfuse Arc Flash Relay
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 |
Voltage Rating | 24 to 300 Vac, 24 to 300 Vdc |
Current Rating | 20 A for 2 s, 10 A for 5 s |
Make/Carry | 30 A for 0.2s |
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 continuous |
Communication | Ethernet, 2 ports with internal Ethernet switch,
Modbus® TCP |
Mounting Surface | DIN (with optional D0050 adapter clips) |
Approvals | UL Listed (UL508), CE, RCM, FCC, CSA |
Operating Temp. | –40°C to +70°C |
Dimensions | H 130 mm (5.1”); W 200 mm (7.9”); D 54 mm (2.1”) |
Shipping Weight | 0.9 kg (2 lb) |