Arc Flash Detection Relays
Littelfuse PGR-8800 Series
- Monitor multiple sensors
- Digital inputs for remote trip, inhibit, and reset
- Remotely view values, event records and reset trips
- Universal power supply/battery backup
Description
Limit arc fault damage with the Littelfuse PGR-8800 microprocessor-based relay, which detects light from an arc flash and rapidly trips.
Phase-current-transformer inputs provide for current-constrained arc flash protection. When equipped this way enable a programmable definite-time overcurrent function.
An optical sensor and adjustable trip level reduce the chance of nuisance tripping by setting a threshold for ambient light.
Sensors, inputs, and connections are 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 and graphs.
Use the service mode for system testing without tripping.
We are the exclusive NSW supplier of Littelfuse protection relays and controls for the protection, safe control and distribution of electrical power in industrial applications.
Upstream circuit breaker tripping
Configure to trip an upstream circuit breaker as a backup to local circuit breaker failure. Circuit-breaker failure can be detected with a discrete input (such as a local circuit breaker feedback signal), current measurement, or the Link function.
Monitor multiple sensors (up to 24)
A relay can monitor six sensors. Link up to four units into one system.
Redundant trip circuit
Solid-state backup arc-detection circuit adds a second layer of safety.
Relay trip time under 1 ms
Limites arc flash damage and risk of injury.
Current detection
Phase-CT inputs provide overcurrent protection and prevent nuisance trips.
Optical detection
Point and fibre-optic sensors provide wide detection area with sensor health trip indication.
Fail-safe system
Short circuit protection is ensured with continuous monitoring of optical sensors and inputs.
USB interface
Data logging and configuration software uses a USB interface – no need for drivers or installation.
PGR-8800 Data Sheet
PGR-8800 Manual
PGR-8800 CAD Drawing
PGR-8800 CAD Drawing
PGR-8800 Brochure
PGR-8800 Application Guide
PGR-8800 Case Study
PGR-8800 Firmware Update Instructions
PGR-8800 Firmware Update Instructions
PGR-8800 FAQ
PGR-8800 Guide Form Specifications
PGR-8800 Guide Form Specifications
PGR-8800 SKM Device Library Update
PGR-8800 SKM Device Library Update
PGR-8800 Update Instruction Sheet
IEEE Device Numbers
Overcurrent (50), Arc Flash (AFD)
Input Voltage
100-240 Vac, 14-48 Vdc, and 110-250 Vdc
Optical Trip Settings
9-25 klux, 800 μs-20 s
Current Trip Setting (A)
Programmable
Dimensions
H 130 mm; W 200 mm; D 54 mm
Shipping Weight
0.9 kg
Warranty
5 years
Mounting
DIN (with D0050 adapter clips), Surface
