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Technical Data
4.1 General Device Data
4.1
General Device Data
Technical Data Overview
Product family
Case and LEDs
Measuring inputs (current)
Auxiliary voltage
Communication
Protection functions
Supervision functions
Binary input and binary output
External trip initiation input (T1, T2)
Remote flag
Local flag
Pulse output
Overvoltage
Degree of pollution
Altitude of operation
Sensitivity
Minimum phase current for relay oper-
ation
Mechanical Specifications
Design
Enclosure
For operator protection
Weight
Dimensions (L x H x D)
Installation Category
Installation category (overvoltage cate-
gory)
Pollution
Degree of pollution
62
Non-directional dual powered overcurrent and earth-fault relay with
specific CT
Non draw-out polycarbonate case, 2 non-programmable LEDs & 2
user-programmable LEDs
0.075 A (secondary)
50 Hz/60 Hz
AC 60 V to 240 V/DC 24 V to 240 V
Front communication port:
USB (IEC 60870-5-103 or Modbus RTU)
Rear communication port:
RS485 (IEC 60870-5-103 or Modbus RTU)
50, 50N, 51, 51N, 50LC/SOTF
81HBL2
2 binary inputs, 2 binary outputs
1 external trip input
24 V, 0.01 Ws
Mechanical flag indicator
•
Normal – Black color
•
Trip – Tangerine color
24 V, 0.1 Ws
Category III
2
Maximum up to 2000 m
0.8 ⋅ I
(1-phase) or
smin
0.4 ⋅ I
(3-phase)
smin
Panel mounting, non-draw-out polycarbonate molded case
IP 54 (front side)
IP 20 (rear side with current terminal cover)
IP 2x for other terminal and current terminal with cover
Approximately 0.9 kg
185 mm x 104 mm x 78.8 mm
Class III
2
Reyrolle, 7SR46 Device, Manual
C53000-G7040-C103-1, Edition 10.2022
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