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GE DSFC Manuals
Manuals and User Guides for GE DSFC. We have
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GE DSFC manuals available for free PDF download: Manual, Instruction Manual
GE DSFC Instruction Manual (46 pages)
DIGITAL OVERCURRENT PROTECTION
Brand:
GE
| Category:
Relays
| Size: 1.27 MB
Table of Contents
Table of Contents
3
Introduction
5
Figure 0: Front View Difc (8919654)
5
Product Description
6
General
6
Application
6
Functions
6
Figure 1: Iac51 Toc Curve
8
Figure 2: Iac53 Toc Curves
9
Figure 3: 55 Short Time Toc Curves
10
Figure 4: 57 Medium Time Toc Curves
11
Figure 5: 66 Long Time Toc Curves
12
Figure 6: 75 Short Time Toc Curves
13
Figure 7: Iac77 Toc Curves
14
Figure 8: 95 Short Time Toc Curves
15
Figure 9: Iec Inverse Toc Curves
16
Figure 10: Iec very Inverse Toc Curves
17
Figure 11: Iec Extremely Inverse Toc Curves
18
Figure 12: Ieee Inverse Toc Curves
19
Figure 13: Ieee very Inverse Toc Curves
20
Figure 14: Ieee Extremely Inverse Toc Curves
21
Figure 15: Definite Time
22
Figure 16: I T Time Curve
23
Figure 17: Ioc Curve
24
Calculation of Settings
25
Hardware Description
26
Case
26
Adjustments
26
Targets and Indicators
26
Reset and Manual Trip
27
Trip Circuit Test
27
Trip Circuit
27
Cover Installation Diac and Dsfc
27
Receiving, Handling and Storage
27
Installation
28
Environment
28
Mounting
28
Surge Ground (Diac and Dsfc)
28
Surge Ground and RFI Immunity (DIFC Only)
28
Figure 18: Diac and Dsfc External / Internal Connections
29
Figure 19: Difc External / Internal Connections
30
Figure 20: Diac Panel Mounting and Drilling
31
Figure 21: Difc Panel Mounting and Drilling
32
Figure 22: Surface Mounting Difc
33
Figure 23: Dsfc Panel Mounting and Drilling
34
Acceptance Tests
35
Visual Inspection
35
Mechanical Inspection
35
Electrical Tests
35
Figure 25: Diac or Dsfc Test Setup for Pickup and Operating Time Verification
39
Figure 26: Difc Test Setup for Instantaneous Unit
39
Figure 27: Diac or Dsfc Test Setup for Instantaneous
40
Periodic Tests and Servicing
41
Periodic Tests
41
Servicing
41
Figure 28 (9819647/8919648): Diac Front and Rear Views
41
Figure 29 (8919652/8919653): Difc Front and Rear Views
42
Figure 30 (8919632/8919661): Dsfc Front and Rear Views
42
Specifications
43
Burdens
43
Figure 31: Burden Curve
43
Ratings
44
Burdens
44
Contact Ratings
44
Environmental
44
Insulation Withstand Tests
44
Surge Withstand Capability
44
Radio Frequency Withstand
44
Electrostatic Discharge
44
Application Notes
45
Ioc/Toc Unit
45
Figure 32: Ioc/Toc Unit
45
GE DSFC Manual (46 pages)
Digital Self Powered Overcurrent Protection
Brand:
GE
| Category:
Relays
| Size: 1.5 MB
Table of Contents
Table of Contents
2
Introduction
4
Product Description
5
Calculation of Settings
25
Hardware Description
26
Installation
28
Isual Nspection
35
Echanical Nspection
35
Lectrical Ests
35
Acceptance Tests
35
Periodic Tests
41
Servicing
41
Specifications
45
Ontact Atings
46
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