GR-750x series
Control panel for addressable emergency
luminaires
Document number: 923750400_09_007
Date: 3/5/2022
Page: 9 of 71
[9]
1.4 Technical specification
Table 1 - Technical specification table
GR-750x panel series
Description
GR-7501
GR-7502
GR-7503
GR-7504
Loop circuits
1
2
3
4
400mA max. current per loop, 250 addresses/addressable points per loop
Mains power supply voltage
220-240 Vac, 50/60Hz
Mains maximum current
1.5 A
Maximum consumption
220 VA
Fuse types
AC input: 2A/250V (Slow blow) glass 5x20mm
Controlled inputs*
4 programmable resistance-controlled inputs, open and short circuit
protection, Normal/Active detection with
10kΩ termination resistor
Controlled outputs*
2x 24 V
DC
(± 3 V
DC
), 300mA max., Basic isolation
open and short circuit protection,
10kΩ termination resistor
Relays
30Vdc, 5A max (NOT FUSED)
24V voltage outputs*
1x 24V
DC
(± 3V
DC
) permanent output, 300mA max., short circuit protection
1x 24V
DC
(± 3V
DC
) resettable output, 300mA max., short circuit protection
Battery type
2x Lead-acid batteries (Pb) 12V, 7-15Ah
Battery charger
Stabilized power supply: 27.6V, 900mA
Battery autonomy (7AH)
12-24 hours (depending on the number of connected loop cards, points,
and inputs/outputs)
Battery cut-off voltage
20.5V
Battery discharge current
Nominal: 500mA, 2A max. (while mains power supply is not available)
USB adapter
Micro USB-B 2.0
LAN adapter
10 Mbps Ethernet
Wi-Fi adapter
2.4 GHz, 802.11 b/g/n (802.11n up to 150 Mbps)
Operating temperature
0
°C to 40°C
Relative humidity
Up to 95% non-condensing
Case materials
ABS/PC, electrostatic painted iron plate
Ingress protection (case)
IP 30
Dimensions
480mm(L) x 145mm(W) x 408mm(H)
Weight
8kg (without batteries)
Warranty
2 years
* The input/output terminals of the panel are supplied from the 24V power supply unit and have
reinforced insulation from the mains power supply.