Duplex Heavy Duty Controllers Class 83, 84 Dimensions Figure 1 Figure 2 Figure 3 A Class 83 Non Combination Type Enclosure Type NEMA 1 NEMA 12 NEMA 4 Size 0–13⁄4 2, 21⁄2 3–4 0–13⁄4 2, 21⁄2 3–4 0–13⁄4 2, 21⁄2 3–4 Outline Dimensions Figure A B 1 19 1⁄2 16 1⁄8 1 25 1⁄16 17 3⁄16 1 29 11⁄16 23 3⁄16 2 19 1⁄2 16 1⁄8 2 25 1⁄16 17 3⁄16 2 231⁄2 23 3⁄16 2 19 1⁄2 16 1⁄8 2 25 1⁄16 17 3⁄16 2 29 1⁄16 23 3⁄16 Mounting Dimensions C D 6 1⁄2 18 3⁄4 7 3⁄8 24 5⁄16 9 1⁄4 27 9⁄16 6 1⁄2 18 3⁄4 7 3⁄8 24 5⁄16 11 1⁄4 27 9⁄16 6 1⁄2 18 3⁄4 7 3⁄8 24 5⁄16 9 1⁄4 27 9⁄16 Mounting Screw E G 1⁄4 13 1⁄4 14 5⁄16 20 1⁄4 13 1⁄4 14 5⁄16 20 1⁄4 13 1⁄4 14 5⁄16 20 Conduit Size K1 K2 1⁄2–3⁄4 11⁄4–11⁄2 1⁄2–3⁄4 11⁄4–11⁄2 2–21⁄2 11⁄4–11⁄2 — — — — — — — — — — — — Mounting Dimensions C D 79⁄16 33 911⁄16 5413⁄16 79⁄16 33 Mounting Screw E G 3 20 ⁄8 3⁄8 241⁄4 3⁄8 20 Conduit Size K1 K2 7⁄8–11⁄8 7⁄8–11⁄8 — — — — K3 1⁄2 1⁄2–3⁄4 1⁄2–3⁄4 — — — — — — K4 1⁄2–3⁄4 11⁄4–11⁄2 11⁄4–11⁄2 — — — — — — K5 11⁄4–11⁄2 11⁄2–2 2–21⁄2–3 — — — — — — Approx Ship Wt Lbs 20 57 93 20 57 93 20 57 93 K5 123⁄64–123⁄32 — — Approx Ship Wt Lbs 70 106 — Class 84 Combination Type Enclosure Type NEMA 1 NEMA 4/12 Size 0–21⁄2 3–4 0–4 Outline Dimensions Figure A B 3 341⁄8 245⁄8 3 56 281⁄2 3 341⁄8 245⁄8 K3 11⁄8–123⁄64 — — K4 11⁄8–123⁄64 — — Dimensions may vary for size 3 & 4 stainless steel enclosures. Siemens Energy & Automation, Inc. Industrial Controls Catalog 8/109