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Terminal Blocks

520 SERIES
Elliptical

520 Series – Ceramic Terminal Block

These blocks are made of high-strength L-5 Steatite ceramic for durability. Small brass terminals may be mounted in straight or upright configuration. Leads are top-fed through the generous stepped center hole. Terminals are fitted with round–tip screws which are gentle on lead wires. These screws also have an anti-vibration break-point feature.

  • Durable design
  • High-strength Steatite material
  • Use with #1100, #1400, #4400, #2500, #4500, #1800, #4800, and #3200 Series connection heads
  • Stepped center hole for spring loaded probes
  • Accepts wire size: #22 – #10 AWG

PART SPECIFICATIONS CARTON SPECIFICATIONS
Part # Number of Terminals Material Terminal Style Full Qty. Dimensions (inches) Wt.
(lbs.)
522 2 L-5 Steatite Straight 50 12x12x2.25 7
523 3 L-5 Steatite Straight 50 12x12x2.25 7
524 4 L-5 Steatite Straight 50 12x12x2.25 8
526 6 L-5 Steatite Straight 50 12x12x2.25 8
522-U 2 L-5 Steatite Upright 50 12x12x2.25 7
523-U 3 L-5 Steatite Upright 50 12x12x2.25 7
524-U 4 L-5 Steatite Upright 50 12x12x2.25 8
526-U 6 L-5 Steatite Upright 50 12x12x2.25 8

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