Selectable Phase Sequence Abc Or Acb Rotation; Optional Communication Interface; Chassis Dimensions And Weight; Environmental Data - ABB REL300 Instruction Manual

• OSB Inner Blinder (RT)
1.0-15.0 ohms in 0.1 ohm steps
NOTE: The RT is a standard setting; for load restriction.
• OSB Outer Blinder (RU)
3.0-15.0 ohms in 0.1 ohm steps

2.11 SELECTABLE PHASE SEQUENCE ABC OR ACB ROTATION

A jumper #3 on Microprocessor module is used for phase rotation selection.
• ABC system – without jumper #3
• ACB system – with jumper #3 in place

2.12 OPTIONAL COMMUNICATION INTERFACE

• RS-232C PONI - for single point computer communications
• INCOM

2.13 CHASSIS DIMENSIONS AND WEIGHT

Height
Width
Depth
Weight

2.14 ENVIRONMENTAL DATA

Ambient Temperature Range
• For Operation
• For Storage
Dielectric Test Voltage 2.8 kV, dc, 1 minute (ANSI C37.90.0, IEC 255-5)
Impulse Withstand Level 5 kV peak, 1.2/50 µsec, 0.5 joule (IEC 255-5)
Fast Transient Surge Withstand Capability 4 kV, 5/50 nsec (IEC 801-4); 5kV 10/150 nsec
(ANSI C37.90.1).
Oscillatory Surge Withstand Capability 2.5 kV, 1 MHz (ANSI C37.90.1, IEC 255-6)
EMI Volts/Meter Withstand 25 MHz-1GHz, 10V/m Withstand (Proposed ANSI C37.90.2).
®
/PONI - for local network communications
7" (177.8mm), 4 Rack Units (See Figure 2-8)
19" (482.6mm)
14" (356mm) including terminal blocks
35 lb. (16Kg net)
-20°C to +60°C
-40°C to +80°C
I.L. 40-385.7
2-5