Type ER Edgewound Resistors

Edgewound Drawing


Application Information: Powerohm's Type ER and ERB Edgewound Resistors are most commonly used for dynamic braking of variable frequency drives, motor control, load banks and neutral grounding applications.

Construction: Low temperature coefficient ribbon alloy on a high quality porcelain core complete with stainless steel terminals.

Type ER Dimensions: The coil dimensions are for standard size units. Coil and threaded rod length can be varied per customer request. All units have the same approximate diameter of 2 inches. Units are furnished with 5/16"-18 through rodsand terminal hardware.

Voltage Rating: 600 VAC

Resistance Tolerance: +/- 10%

Edgewound Dimensional Information (Inches)
Size 2 3 4 5 6 7
A 9.375 12.375 15.375 18.375 21.375 24.375
B 6 9 12 15 18 21
Edgewound Electrical Ratings
  Size 2 Size 3 Size 4 Size 5 Size 6 Size 7
Amps Part Number Ohms Part Number Ohms Part Number Ohms Part Number Ohms Part Number Ohms Part Number Ohms
15 ER2-15 1.98 ER3-15 3.04 ER4-15 4.11 ER5-15 5.17 ER6-15 6.23 ER7-15 7.29
16 ER2-16 1.67 ER3-16 2.57 ER4-16 3.46 ER5-16 4.36 ER6-16 5.25 ER7-16 6.15
18 ER2-18 1.31 ER3-18 2.00 ER4-18 2.70 ER5-18 3.50 ER6-18 4.20 ER7-18 4.90
20 ER2-20 1.16 ER3-20 1.79 ER4-20 2.4 ER5-20 3.10 ER6-20 3.70 ER7-20 4.30
23 ER2-23 0.89 ER3-23 1.37 ER4-23 1.85 ER5-23 2.30 ER6-23 2.80 ER7-23 3.30
26 ER2-26 0.69 ER3-26 1.06 ER4-26 1.44 ER5-26 1.81 ER6-26 2.20 ER7-26 2.60
29 ER2-29 0.49 ER3-29 0.75 ER4-29 1.02 ER5-29 1.29 ER6-29 1.55 ER7-29 1.82
32 ER2-32 0.43 ER3-32 0.66 ER4-32 0.90 ER5-32 1.13 ER6-32 1.37 ER7-32 1.60
36 ER2-36 0.35 ER3-36 0.54 ER4-36 0.73 ER5-36 0.92 ER6-36 1.11 ER7-36 1.30
40 ER2-40 0.27 ER3-40 0.41 ER4-40 0.56 ER5-40 0.70 ER6-40 0.85 ER7-40 0.99
45 ER2-45 0.25 ER3-45 0.38 ER4-45 0.52 ER5-45 0.65 ER6-45 0.78 ER7-45 0.92
50 ER2-50 0.19 ER3-50 0.30 ER4-50 0.4 ER5-50 0.51 ER6-50 0.62 ER7-50 0.72
60 ER2-60 0.15 ER3-60 0.23 ER4-60 0.32 ER5-60 0.40 ER6-60 0.48 ER7-60 0.57
70 ER2-70 0.12 ER3-70 0.19 ER4-70 0.26 ER5-70 0.33 ER6-70 0.39 ER7-70 0.46
85 ER2-85 0.07 ER3-85 0.11 ER4-85 0.15 ER5-85 0.19 ER6-85 0.23 ER7-85 0.27
100 ER2-100 0.06 ER3-100 0.10 ER4-100 0.13 ER5-100 0.16 ER6-100 0.20 ER7-100 0.23

Powerohm Resistors, Hubbell ICD / 5713 13th Street / Katy, Texas 77493