1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? ww w.ohmite.com ? info@ohmite.com 115 280 series corrib ? fixed and adjustable vitreous enamel power moun. part no. no. of derat. slotted elongated resistors % 6110-81/2 6126-p-81/2 1 100% - 6127-p-81/2 2 83% - 6128-p-81/2 3 80% - 6129-p-81/2 4 80% lugs for 300 watt adjustable corrib resistor har dware thru bolts mounting brackets for 300 watt corrib includes two each bracket, bolt, washers (centering, mica, lock) and nut. note: single unit mounting contains one each bolt and nut; two each all washers. characteristics coating lead free vitreous enamel except for extreme low resistance 35 watt models, and very large models (750 watts and up), which are supplied in silicone ceramic core tubular ceramic terminals tinned lug with hole. rohs solder composition is 96% sn, 3.5% ag, 0.5% cu adjustable lug supplied with adjustable 300 watt models. part no. 1974-a or 1974-b resistance max. 63 for 300w version tolerance 10% (k) power rating based on 25c free air rating derating linearly from 100% @ +25c to 0% @ +400c overload 10 times rated wattage for 5 seconds temperature coefficient 400 ppm/c dielectric with - standing voltage 1000 vac measured from terminal to mounting bracket to calculate max. amps use the formula p/r corrib ? resistors are ideal for applications involving high currents at very low resistance valuesas low as 0.1 for the 300 watt unit. these large, heavy- duty resistors are designed to withstand frequent start-stop cycles characteristic of motor starting, dynamic braking and other similar applications. special order units are available to accommodate up to 1500 watts. corribs ? are manufactured with corrugated resis - tive wire. to accelerate cooling, the wire is securely fused to the ceramic core by the protective vitreous enamel coating to improve durability. corrib resis - tors are hollow-core units which can be securely fastened to chassis surfaces with thru bolts and brackets. featu res ? also available in centohm or silicone coating. consult ohmite. ? ribbed construction aids in rapid cooling. ? designed for equipment requiring low resistance loads at low ohmic values and high current capac - ity. ? especially constructed for motor starting, dynamic braking, etc. ? rohs compliant product available. add e suffix to part number to specify. part no. res. part no. res. 1974-a 0.40 1974-b 0.10 1 / 16 wire 0.50 1 / 8 wire 0.12 0.63 0.16 1.00 0.20 1.50 0.25 1.60 0.31 2.00 0.80 2.50 1.20 3.10 4.00 5.00 6.30 8.00 10.00 12.00 16.00 20.00 25.00 30.00 48.00 50.00 (continued)
1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? ww w.ohmite.com ? info@ohmite.com 116 see website for custom core info t olerance f= 1% h= 3% j= 5% k= 10% (std.) ohms example: r0200 = 0.02 7 r2000 = 0.2 7 2r500 = 2.5 7 10r00 = 10 7 series 230 = adjustable 280 = fixed 480 = silicone fixed 680 = centohm fixed w attage & core code see ?core and t erminal selection? te rminal t ype see ?resistor t erminals for t ubular cores? t olerance k= 10% ohms e xample: 1r0 = 1 250 = 250 1k0 = 1,000 25k = 25,000 25k5 = 25,500 rohs complian t series c = fixed e = adjustable w attage coating blank =v itreous c= centohm s= silicone 280 series corrib ? fixed and adjustable vitreous enamel power order ing infor mation standard made-to-order core and terminal selection for made to order type x ? ? x ? ? ? x ? ? ? ? - x ? n ? ? ? ? ? - ? x ? x n { x ? ? ? - ? x ? ? ? - { { { x ? ? ? x ? ? - ? n ? ? ? ? ? - ? { x n ? x ? ? ? - ? ? { n ? ? ? ? - ? ? ? n ? n ? ? ? - x { ? ? ? ? - ? ? ? n x x ? x ? x ? ? x ? - ? n { x ? ? ? , ? ? ? { x x ? ? - { n ? ? ? - n x n ? ? ? ? x ? ? - ? ? ? ? ? , ? ? ? { ? ? n x ? - x ? ? ? ? ? , ? { ? ? ? x ? ? x ? x ? ? - ? ? ? ? ? ? + ? ? x { { x (38.10mm) (28.58mm) ? ? x x ? ? ? x ? x ? - n x ? x ? ? ? * ? { n ? { x ? ? x - n x n ? ? ? - ? ? x ? ? ? ? x ? - ? ? ? ? ? * ? ? n ? ? ? ? n x ? - x ? ? ? ? ? * ? ? ? ? ? ? ? ? - x { ? ? ? ? * ? ? ? ? ? n x x ? ? - ? ? ? ? ? ? * ? ? x ? ? x x { x ? - ? ? ? x ? ? ? * ? ? ? n x { ? { ? ? - ? ? ? ? * ? ? { ? free air wattage rating d: od c: id l: length code for core dia. min. max. term. type core dimensions ohms free air wattage rating d: od c: id l: length code for core dia. min. max. term. type core dimensions ohms x x x x x x xnn n x x x x x x n x x x x x x x n x n x x nn x x x n x x x xn x x xn x 14.mm 7.95mm standard part numbers for series x x x x n x x n x x n l d c dimensions note: wattages above 750 watts come with silicone coating.
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