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BE1-50/51B-218
Basler BE1-50/51B-218 User Manual
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INSTRUCTION MANUAL
FOR
OVERCURRENT RELAYS
BE1-50/51B-218 and BE1-50/51B-228
Publication:
9252000995
Revision:
G
03/08
2
Table of Contents
Table of Contents
7
Table 1-1. GE IAC Relays Suitable for Direct Replacement
11
Current Sensing Input
12
Time Overcurrent (51) Element
12
Table 1-2. Time Characteristic Curve Constants with SW3-3 Open (Off)
13
Table 1-3. Time Characteristic Curve Constants with SW3-3 Closed (On)
14
Instantaneous Overcurrent (50) Element
15
Figure 1-1. Integrating Reset Characteristic Curve
15
Burden
16
Figure 1-2. Instantaneous Characteristic Curves
16
Frequency Response
17
Transient Response
17
Harmonic Response
17
Figure 1-3. Burden Characteristics
17
Target Indicators
18
Output Contacts
18
Type Tests
18
Figure 1-4. Harmonic Rejection
18
Environment
19
Agency Recognition
19
Physical
19
Section 2 • Controls and Indicators
21
Figures
21
Tables
21
Section 3 • Functional Description
27
Section 4 • Installation
31
General
33
Mounting
33
Section 4 • Installation
33
Application Coordination
36
Factory Settings
36
Connections
38
Maintenance
39
Storage
39
Section 5 • Testing
41
Dielectric Test
43
General
43
Operational Test Procedure
43
Test Equipment Required
43
Test Procedure, Models BE1-50/51B-218 (Five Ampere Sensing Input)
45
Test Procedure, Models BE1-50/51B-228 (One Ampere Sensing Input)
47
Section 5 • Testing
43
Periodic Tests
49
General
49
Periodic Test
49
Setting the Relay
49
Appendix A • Time Characteristic Curves
53
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Basler BE1-50/51B-218 Specifications
General
Current Rating
5 A
Frequency
50/60 Hz
Voltage Rating
50-500V AC
Mounting
Panel
Contacts
Double throw
Rated Voltage
50-500V AC
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