product-3

2781 SERIES

UL listed Part # Height(+/- .015”) in(mm) Voltage (AC) Threads Size X Depth Insert Material Box Qty
AR2781-11SAL 2 5/8 (67) 3400 5/8-11 x 5/8 Alum 48
AR2781-11SST 2 5/8 (67) 3400 5/8-11 x 5/8 Steel 48
AR2781-13AAL 2-1/2(63) 3,200 1/2-13 x 9/16 Alum 48
AR2781-13AST 2-1/2(63) 3,200 1/2-13 x 9/16 Steel 48
AR2781-16A 2 1/2(63) 3,200 3/8-16 x 3/4 Steel 48
AR2781-16B-30 2 3/4(70) 3,600 3/8-16 x 3/4 Steel 48
AR2781-16C 3(76) 3,600 3/8-16 x 3/4 Steel 48
AR2781-16D 3 1/4(83) 4,500 3/8-16 x 3/4 Steel 48
AR2781-16E 3 1/2(89) 5,000 3/8-16 x 3/4 Steel 36
AR2781-16F 3 3/4(95) 5,000 3/8-16 x 3/4 Steel 30
Product Enquiry

Physical & Electrical Properties

ELECTRICAL PROPERTIES INSULATOR SERIES 2781

Tensile Strength (lbs) Cantilever Strength (lbs) Voltage Rating (V) * Arc Resistance(sec) Tracking Index (V) Creep Distance (in) ** Dielectric Strength, ST (V) Water Absorption (%) Ul Flame Resistance
3,500 1,500 3,200-5,000 180 500 H + 0.313 20,000 0.14 94 V-0

* Voltage rating increases with insulator height

** H = insulator height

NOTE: This technical data is believed to be reliable. However, data is not to be construed as a warranty or representation for which Penn Compression assumes legal responsibility. Users should perform sufficient verification and testing to determine suitability for their own specific use