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Bolted Bronze
Quadrant Strain Clamp

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Substation

DEADENDS
BOLTED
QUADRANT STRAIN CLAMP
BRONZE
BRONZE
BR1/BR2

These clamps are used primarily for deadending copper substation cable bus.

When installing, cable will slide freely under the U-bolts. If preferred, U-bolts may be removed and cable laid in clamp grooves from the side.

These clamps are compact for greatest phase clearance.

Material: Body and Keeper—high strength bronze
Hardware—galvanized steel
Sockets and Clevises—ductile iron, galvanized
Cotter Pin—#302 stainless steel
CATALOG
NUMBER		 FITTING CLAMPING RANGE ULTIMATE
STRENGTH
LBS. (KN)		 U-BOLTS DIMENSIONS INCHES (MM) APPROX.
WT. EACH
LBS. (MM)
TYPE CAT. NO. COPPER INCHES (MM) NO. SIZE
INCHES (MM)		 L W H
BR1025N
BR1025S
BR1025C		 None
Socket
Clevis		 --
SA06
CA06		 2/0 Sol. To
250-19 Str.		 .365-.574
(9.27-14.58)		 8,000
(36)		 3 3/8
(9.53)		 8-1/16
(204.79)		 --- 3-5/32
(80.17)		 5.4 (2.45)
6.7 (3.04)
7.1 (3.22)
BR1050N
BR1050S
BR1050C		 None
Socket
Clevis		 --
SA06
CA06		 250-19 Str. To
500 MCM		 .574-.813
(14.58-20.65)		 10,000
(44)		 3 1/2
(12.70)		 8-7/8
(225.43)		 --- 33/8
(85.73)		 7.0 (3.18)
8.3 (3.76)
8.7 (3.95)
BR1100N
BR1100S
BR1100C		 None
Socket
Clevis		 --
SA06
CA06		 500 To
1000 MCM		 .811-1.152
(20.60-29.26)		 15,000
(67)		 3 1/2
(12.70)		 9-1/8
(231.78)		 --- 3-7/8
(98.43)		 9.2 (4.17)
10.5 (4.76)
10.9 (4.95)
BR1150N
BR1150S
BR1150C		 None
Socket
Clevis		 --
SA06
CA06		 1000 To
1500 MCM		 1.150-1.412
(29.21-35.86)		 15,000
(67)		 3 5/8
(15.88)		 10-1/2
(266.70)		 --- 4-3/8
(111.13)		 13.4 (6.08)
14.7 (3.67)
16.1 (7.30)
BR1200N
BR1200S
BR1200C		 None
Socket
Clevis		 --
SA06
CA06		 1500 MCM To
2000-Str.		 1.411-1.632
(35.84-41.40)		 15,000
(67)		 3 5/8
(15.88)		 12-3/4
(323.85)		 --- 5
(127)		 15.0 (6.80)
16.3 (7.39)
16.7 (7.58)
BR2025N
BR2025S
BR2025C		 None
Socket
Clevis		 --
SA06
CA06		 2/0 Sol. To
250-19 Str.		 .365-.574
(9.27-14.58)		 8,000
(36)		 3 3/8
(9.53)		 8-1/16
(204.79)		 21/32
(16.67)		 3-5/32
(80.17)		 5.7 (2.59)
7.0 (3.18)
7.4 (3.36)
BR2050N
BR2050S
BR2050C		 None
Socket
Clevis		 --
SA06
CA06		 250-19 Str. To
500 MCM		 .574-.813
(14.58-20.65)		 10,000
(44)		 3 1/2
(12.70)		 8-3/4
(222.25)		 7/8
(22.23)		 3-1/4
(82.55)		 10.0 (4.54)
11.3 (5.13)
11.7 (5.31)
BR2100N
BR2100S
BR2100C		 None
Socket
Clevis		 --
SA06
CA06		 500 To
1000 MCM		 .811-1.152
(20.60-29.26)		 15,000
(67)		 3 1/2
(12.70)		 9-1/8
(231.78)		 1-3/16
(30.16)		 3-7/8
(98.43)		 14.0 (6.35)
15.3 (6.95)
15.7 (7.12)
NOTE:
  • (1) Sag Eye Ultimate Strength is 60% of Clamp strength without fitting.
  • (2) Rated slip strength as a % of conductor RBS varies with conductor type, size and stranding.
    Minimum slip strength rating on standard strength conductors is 40% RBS (Partial Tension).
    For many standard strength conductors, slip strength ratings will meet 60% RBS (Normal Tension).
    (Consult factory for slip strength test data on specific clamp & conductor combinations).
  • (3) Recommended torque on u-bolts: 3/8" -- 240 in-lbs., 1/2" -- 480 in-lbs.
  • (4) Bolt and Nut may be substituted for clevis pin by adding suffix "BNK" to catalog number.
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