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Insulators >> APEX - Braced Post Insulators
B291-XL Series
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 Features:

  • A = 1.5" [38mm] (not included) pole connection offset
  • B = Brace Length
  • C = Brace Angle
  • H = Assembly Height (Tolerance = +/- 3")
  • SSL = Suspension Section Length
  • PSL = Post Section Length

Material:
     Standard Strength Braced Posts

  • 2.5" Line Post Insulator (1 each)
  • 25klb (S199) Suspension Insulator (1 each)
  • ASH-55 Anchor Shackle (2 each)

       High Strength Braced Posts (marked "HS")

  • 2.5" Line Post Insulator (1 each)
  • 36klb (S699) Suspension Insulator (1 each)
  • ASH-56 Anchor Shackle (2 each)

Fig.

PSL

SSL

H

C

B

in (mm)

in (mm)

in (mm)

Deg.

in (mm)

1

35.0
(889)

39.0
(991)

37.9
(963)

54

44.5
(1130)

2

41.0
(1041)

45.0
(1143)

41.5
(1054)

52

50.5
(1283)

3 

45.0
(1143)

49.0
(1245)

44.0
(1118)

50

54.5
(1384)

4

52.6
(1336)

58.0
(1473)

51.5
(1308)

50

63.5
(1613)

5

54.0
(1372)

75.0
(1905)

74.0
(1880)

62

80.5
(2045)

6

58.5
(1486)

67.9
(1725)

59.8
(1519)

51

72.5
(1842)

7

59.0
(1499)

84.0
(2134)

83.0
(2108)

63

89.5
(2273)

8

61.5
(1562)

70.0
(1778)

61.5
(1562)

50

75.5
(1918)

9

65.0
(1651)

93.0
(2362)

91.0
(2311)

63

98.5
(2502)

10

67.4
(1712)

78.0
(1981)

68.2
(1732)

51

83.5
(2121)

11

70.4
(1788)

81.0
(2057)

69.9
(1775)

54

86.5
(2197)

12

70.0
(1778)

100.0
(2450)

96.0
(2438)

62

105.5
(2680)

13

75.0
(1905)

88.0
(2235)

75.0
(1904)

51

93.5
(2375)

14

84.0
(2134)

100.0
(2540)

85.0
(2159)

51

105.5
(2680)

15

85.0
(2159)

123.0
(3124)

118.0
(2997)

63

128.5
(3264)

16

90.0
(2286)

107.0
(2718)

90.0
(2287)

51

112.5
(2858)

17

90.0
(2286)

133.0
(3378)

127.0
(3226)

63

138.5
(3518)

18

96.0
(2438)

114.0
(2896)

95.0
(2413)

50

119.5
(3035)

English Metric

 

Catalog Number Line Voltage MDCL (lbs) Dry Arc (in) Leakage (in) Dry Electrical Flashover (kV) 60 Hz Wet Electrical Flashover (kV) 60 Hz CIFO+ (kV) Neg (kV) CIFO Weight Ea (lbs)
B291035XL99A 69 10,375 23.3 48.9 233 212 396 489 63.6
B291035XL99B 69 10,375 23.3 60.4 233 212 396 489 64.5
B291035XL99C 69 10,375 23.3 72.4 233 212 396 489 65.7
B291041XL99A 69 10,028 28.8 48.5 283 260 484 578 68.4
B291041XL99B 69 10,028 28.8 70.3 283 260 484 578 70.2
B291041XL99C 69 10,028 28.8 90.7 283 260 484 578 71.7
B291045XL99A 115 9,842 33.2 78.2 323 298 553 645 72.2
B291045XL99B 115 9,842 33.2 104.5 323 298 553 645 74.3
B291045XL99C 115 9,842 33.2 124.7 323 298 553 645 76.0
B291052XL99A 115 9,829 40.6 75.6 390 361 671 751 77.9
B291052XL99B 115 9,829 40.6 95.0 390 361 671 751 79.4
B291052XL99C 115 9,829 40.6 125.9 390 361 671 751 81.8
B291054XL99A 115 11,295 43.8 81.0 418 387 722 793 66.7
B291054XL99B 115 11,295 43.8 111.6 418 387 722 793 72.8
B291054XL99C 115 11,295 43.8 138.8 418 387 722 793 78.7
B291058XL99A 138 10,032 46.8 92.3 444 411 769 830 82.8
B291058XL99B 138 10,032 46.8 123.3 444 411 769 830 85.2
B291058XL99C 138 10,032 46.8 145.9 444 411 769 830 87.0
B291059XL99D 138 11,377 49.1 97.7 465 430 805 858 70.7
B291059XL99B 138 11,377 49.1 124.8 465 430 805 858 76.6
B291059XL99C 138 11,377 49.1 155.8 465 430 805 858 83.4
B291061XL99A 138 9,918 49.7 91.5 470 435 815 865 84.7
B291061XL99B 138 9,918 49.7 122.4 470 435 815 865 87.1
B291061XL99C 138 9,918 49.7 153.4 470 435 815 865 89.5
B291065XL99A 161 11,352 55.2 109.2 518 479 902 947 74.1
B291065XL99B 161 11.352 55.2 136.4 518 479 902 947 80.0
B291065XL99C 161 11,352 55.2 163.6 518 479 902 947 85.9
B291067XL99A 161 9,969 55.8 107.2 523 483 911 956 89.6
B291067XL99B 161 9,969 55.8 142.0 523 483 911 956 92.3
B291067XL99C 161 9,969 55.8 173.0 523 483 911 956 94.7
B291070XL99A 161 9,870 58.7 106.0 549 506 957 1000 91.4
B291070XL99B 161 9,870 58.7 141.2 549 506 957 1000 94.1
B291070XL99C 161 9,870 58.7 182.6 549 506 957 1000 97.4
B291070XL99I 161 11,276 60.0 125.3 560 516 978 1019 78.8
B291070XL99J 161 11,276 60.0 150.6 560 516 978 1019 84.0
B291070XL99K 161 11,276 60.0 191.1 560 516 978 1019 92.7
B291075XL99A 161 9901 63.7 113.3 593 545 1036 1074 94.7
B291075XL99B 161 9901 63.7 140.4 593 545 1036 1074 96.8
B291075XL99C 161 9901 63.7 194.6 593 545 1036 1074 101.0
B291084AL99A 230 9951 69.7 151.3 644 590 1129 1163 107.3
B291084AL99B 230 9951 69.7 202.7 644 590 1129 1163 111.2
B291084AL99C 230 9951 69.7 228.3 644 590 1129 1163 113.0
B291085AL99A 230 11,305 72.3 156.1 666 609 1168 1200 91.6
B291085AL99B 230 11,305 72.3 193.1 666 609 1168 1200 99.7
B291085AL99C 230 11,305 72.3 237.4 666 609 1168 1200 109.3
B291090AL99A 230 9887 75.8 155.6 696 635 1222 1251 111.3
B291090AL99B 230 9887 75.8 202.0 696 635 1222 1251 114.9
B291090AL99C 230 9887 75.8 240.7 696 635 1222 1251 117.9
B291090AL99D 230 11,357 77.3 162.0 709 646 1245 1273 93.6
B291090AL99E 230 11,357 77.3 207.3 709 646 1245 1273 103.5
B291090AL99F 230 11,357 77.3 247.4 709 646 1245 1273 112.2
B291096AL99A 230 9830 81.5 154.8 745 676 1308 1333 115.0
B291096AL99B 230 9830 81.5 199.8 745 676 1308 1333 118.6
B291096AL99C 230 9830 81.5 258.7 745 676 1308 1333 123.1
Notes:

1) MDCL= Max Design Cantilever Load (Load Curves provided upon request)
2) Electrical Data is derived from the assembly "Strike Distance", without corona rings for 161kV and below. All 230kV Braced Post assemblies supplied with a corona ring (Electrical Values include the corona ring).
3) For High Strength or Custom Designs, please complete the Braced Post Request Worksheet  and return the completed worsheet to MPS through your local MPS Sales Representative.
4) Customized Designs include any dimensional changes, strength changes, hardware changes, end fitting changes, gain to flat base changes, etc.
5)  HS = High Strength design.  Brace SML = 36k

 

B291-XL High Strength Series
Catalog Number Fig. Line Voltage (kV) MDCL (lbs) Dry Arc (in) Leakage (in) Dry Electrical Flashover (kV) 60 Hz Wet Electrical Flashover (kV) 60 Hz CIFO+ (kV) CIFO- (kV) Weight (lbs) Net Weight (kg)
B291054XL99 L 5 115 14000 43.8 82.7 418 387 722 793 68.3 31.0
B291054XL99 M 5 115 14000 43.8 109.8 418 387 722 793 74.4 33.7
B291054XL99 N 5 115 14000 43.8 138.8 418 387 722 793 80.3 36.4
B291059XL99 L 7 138 14000 49.1 99.4 465 430 805 858 72.3 32.8
B291059XL99 M 7 138 14000 49.1 122.6 465 430 805 858 78.2 35.5
B291059XL99 N 7 138 14000 49.1 157.5 465 430 805 858 85.0 38.6
B291065XL99 L 9 161 14000 55.2 108.4 518 479 902 947 75.7 34.3
B291065XL99 M 9 161 14000 55.2 135.5 518 479 902 947 84.6 37.0
B291065XL99 N 9 161 14000 55.2 163.6 518 479 902 947 87.5 36.7
B291070XL99 L 12 161 14000 60.0 127.0 560 516 978 1019 80.4 36.5
B291070XL99 M 12 161 14000 60.0 150.2 560 516 978 1019 95.6 38.8
B291070XL99 N 12 161 14000 60.0 191.3 560 516 978 1019 94.3 42.8
B291085XL99 L 15 230 14000 72.3 156.9 666 609 1168 1200 93.2 42.3
B291085XL99 M 15 230 14000 72.3 192.6 666 609 1168 1200 101.3 45.9
B291085XL99 N 15 230 14000 72.3 238.4 666 609 1168 1200 110.9 50.3
B291090XL99 L 17 230 13577 77.3 162.0 709 646 1245 1273 95.2 43.2
B291090XL99 M 17 230 13577 77.3 506.5 709 646 1245 1273 105.1 47.7
B291090XL99 N 17 230 13577 77.3 245.2 709 646 1245 1273 113.8 51.6
Notes:

1) MDCL= Max Design Cantilever Load (Load Curves provided upon request)
2) Electrical Data is derived from the assembly "Strike Distance", without corona rings for 161kV and below. All 230kV Braced Post assemblies supplied with a corona ring (Electrical Values include the corona ring).
3) For High Strength or Custom Designs, please complete the Braced Post Request Worksheet  and return the completed worsheet to MPS through your local MPS Sales Representative.
4) Customized Designs include any dimensional changes, strength changes, hardware changes, end fitting changes, gain to flat base changes, etc.
5)  HS = High Strength design.  Brace SML = 36k

 


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