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61FIN-PRC004-EN
Mechanical
Specifications
Table M-1 — Ratings, Type E3A-1W Enclosures With Copper/Aluminum Elements With 3
1
/4” x 3
1
/4” (83 mm x 83 mm) Size Fins
Steam Capacity Hot Water Capacity
Per Ft.-1 Psi at 65°F Air Btu/Hr./Ft. — At 65°F Air, Average Water Temperature
Per Meter - 6.895 kPa Watts/Meter — At 18.3°C Air, Average Water Temperature
at 18.3°C Air
Install. 220°F 210°F 200°F 190°F 180°F 170°F 160°F 150°F140°F130°F120°F 110°F 100°F
Fin Series Height EDR 104°C99°C93°C88°C82°C77°C71°C66°C60°C54°C49°C43°C38°C
Per Foot Inches Sq. Ft. Btu/Hr./Ft. IBR Factor — Steam to Hot Water
Element Per Meter Tiers Encl. mm Sq. M Watts/Meter 1.05 0.95 0.86 0.78 0.69 0.61 0.53 0.45 0.40 0.33 0.26 0.20 0.15
3
/4” CA
19 mm
Copper Tube 40 1 E3A-1W 9
3
/16 4.04 970 1020 920 835 755 670 590 515 435 390 320 250 195 145
Alum. Fins 131 m 233 43 933 981 885 803 726 644 567 495 418 375 308 240 188 139
Fins 3
1
/4” x 3
1
/4” 50 1 E3A-1W 9
3
/16 4.48 1075 1130 1020 925 840 740 655 570 485 430 355 280 215 160
83 x 83 mm 164 m 233 48 1030 1090 981 889 808 712 630 548 466 413 341 269 207 154
Thickness .0135” 58 1 E3A-1W 9
3
/16 4.75 1140 1200 1085 980 890 785 695 605 515 455 375 295 230 170
.34 mm 190 m 233 51 1100 1150 1040 942 856 755 668 582 495 438 361 284 221 163
1” CA
25 mm
Copper Tube 40 1 E3A-1W 9
3
/16 4.04 970 1020 920 835 755 670 590 515 435 390 320 250 195 145
Alum. Fins 131 m 233 43 933 981 885 803 726 644 567 495 418 375 308 240 188 139
Fins 3
1
/4” x 3
1
/4” 50 1 E3A-1W 9
3
/16 4.43 1065 1120 1010 915 830 735 650 565 480 425 350 275 215 160
83 x 83 mm 164 m 233 48 1020 1080 971 880 798 707 625 543 462 409 337 264 207 154
Thickness .0135” 58 1 E3A-1W 9
3
/16 4.66 1120 1175 1065 965 875 775 685 595 505 450 370 290 225 170
.34 mm 190 m 233 50 1080 1130 1020 928 841 745 659 572 486 433 356 279 216 163
1
1
/4” CA
32 mm
Copper Tube 40 1 E3A-1W 9
3
/16 4.08 980 1030 930 840 765 675 600 520 440 390 325 255 195 145
Alum. Fins 131 m 233 44 942 990 894 808 736 649 577 500 423 375 313 245 188 139
Fins 3
1
/4” x 3
1
/4” 50 1 53A-1W 9
3
/16 4.43 1065 1120 1010 915 830 735 650 565 480 425 350 275 215 160
83 x 83 mm 164 m 233 48 1020 1080 971 880 798 707 625 543 462 409 337 264 207 154
Thickness .0135” 58 1 E3A-1W 9
3
/16 4.62 1110 1165 1055 955 865 765 680 590 500 445 365 290 220 165
.34 mm 190 m 233 50 1070 1120 1010 918 832 736 654 567 481 428 351 279 212 159
IBR does not have procedure for rating pedestal mounted enclosures.
Dimensions in bold indicate metric units.
Metric Conversions
1 Psi = 6.895 kPa (Kilo Pascals) at 65°F Air = 18.3°C Air
Sq. Ft. EDR at 1 Psi (6.895 kPa) at 65°F Air (18.3°C) Air x 240 BTU = Total BTU’s (Watts)
1 BTU/HR. = 0.2931 Watts
1 Foot = 0.3048 Meters - 1 Meter = 3.2808 Feet
1 BTU/HR/FT = 0.9616 Watts/Meter
10.7639 Sq. Feet = 1 Square Meter
1 Lbs = 0.4536 Kg (Kilograms)
1 Inch = 25.4 mm (Millimeters)
Capacities based Finned Length at a Water Velocity of 3 feet per second or 0.9144 Meter per second or greater