Strut Services Group, Inc.

Unistrut Alabama

P2547-P2551

SKU P2547-P2551 Categories ,
$

P2547 / P2548 / P2549 / P2550 / P2551
15″ thru 39″ Cable Tray Bracket (Slot Up) (1-5/8″ Series)

Part No. A B Finish Product Weight / Piece (lbs)
P2547 15″ (381.0) 8-3/4″ (222) HG 4.45
P2547 15″ (381.0) 8-3/4″ (222) GR 4.2
P2548 21″ (533.4) 8-3/4″ (222) HG 6.66
P2548 21″ (533.4) 8-3/4″ (222) GR 6.28
P2549 27″ (685.8) 11-1/4″ (286) HG 9.12
P2549 27″ (685.8) 11-1/4″ (286) GR 8.6
P2550 33″ (838.2) 11-1/4″ (286) HG 10.71
P2550 33″ (838.2) 11-1/4″ (286) GR 10.1
P2551 39″ (990.6) 16″ (406.4) HG 13.32
P2551 39″ (990.6) 16″ (406.4) GR 12.57

Standard Dimensions (Unless Shown Otherwise on Drawing):

  • Hole Diameter:  9/16”  (14mm)
  • Hole Spacing (From End):  13/16”  (21mm)
  • Hole Spacing (On-Center):  1 7/8”  (48mm)
  • Width:  1 5/8”  (41mm)
  • Thickness:
    • 1/4”  (6.4mm) with steel meeting or exceeding ASTM A1011 SS GR 33, or
    • 0.220″ (5.6mm) with steel meeting or exceeding ASTM A1011 HSLAS GR 45

Note:

When used for mechanical supports, load capacities of brackets and fittings should be in compliance with the American Standard Code for Pressure Piping.

Materials & Finishes – Standard:

  • Base Metal: Steel conforms to ASTM A1011 SS GR 33, A1011 HSLAS GR 45, A36, A575, A576, or A635.
  • Electrogalvanized (EG):  Conforms to ASTM B633, Type III SC1
  • Unistrut Defender (DF):  Conforms to ASTM A1059
  • Hot Dip Galvanized (HG):  Conforms to ASTM A123 or A153
  • Perma-Green (GR):  Conforms to commercial standards for powder coating
  • Perma-Gold (ZD):  Conforms to ASTM B633, Type II SC1 or SC3
  • Plain (PL):  No finish

Materials & Finishes – Special Metals:

  • Stainless Steel, Type 304 (SS):  Conforms to ASTM A240 or A276, Type 304 *
  • Stainless Steel, Type 316 (ST):  Conforms to ASTM A240 or A276, Type 316 *
  • Aluminum (AL):  Conforms to ASTM B209, Type 1100F or 5052-H32 *

* These materials have different physical properties and performance characteristics. Please contact us for design support.

Design Loads – P2547 thru P2551
Part Number Length “A”  Length “B” Uniform Design Load*
lbs (kN)
P2547 15″  8-3/4″ 1,000  (4.45)
P2548 21″ 8-3/4″ 1,000  (4.45)
P2549 27″ 11-1/4″ 900  (4.00)
P2550 33″ 11-1/4″ 900  (4.00)
P2551 39″ 16″ 800  (3.56)

Notes:

Design loads only apply to Unistrut brand products. Look for “UNISTRUT” on the part.
Safety factor = 2.5 based on the ultimate strength of the connection.

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