BENSHAW ENHANCED KEYPAD Manual do Utilizador descarregar pdf (Página 45)

3.6.6 Torque Requirements for Power Wiring Terminations

3 - INSTALLATION

Wire size installed in conductor

Tightening torque, pound-inches (N-m)

Slotted head NO. 10 and larger

Hexagonal head-external drive socket

wrench

AWG or kcmil (mm

)

Slot width-0.047 inch

(1.2mm) or less and

slot length ¼ inch

(6.4mm) or less

Slot width-over 0.047

inch (1.2mm) or slot

length – over ¼ inch

(6.4mm) or less

Split- bolt connectors

(N-m)

Other connectors

(N-m)

18 – 10 (0.82 – 5.3) 20 (2.3) 35 (4.0) 80 (9.0) 75 (8.5)

8 (8.4) 25 (2.8) 40 (4.5) 80 (9.0) 75 (8.5)

6 – 4 (13.3 – 21.2) 35 (4.0) 45 (5.1) 165 (18.6) 110 (12.4)

3 (26.7) 35 (4.0) 50 (5.6) 275 (31.1) 150 (16.9)

2 (33.6) 40 (4.5) 50 (5.6) 275 (31.1) 150 (16.9)

1 (42.4) — — 50 (5.6) 275 (31.1) 150 (16.9)

1/0 – 2/0 (53.5 – 64.4) — — 50 (5.6) 385 (43.5) 180 (20.3)

3/0 – 4/0 (85.0 – 107.2) — — 50 (5.6) 500 (56.5) 250 (28.2)

250 – 350 (127 – 177) — — 50 (5.6) 650 (73.4) 325 (36.7)

400 (203) — — 50 (5.6) 825 (93.2) 375 (36.7)

500 (253) — — 50 (5.6) 825 (93.2) 375 (42.4)

600 – 750 (304 – 380) — — 50 (5.6) 1000 (113.0) 375 (42.4)

800 – 1000 (406 – 508) — — 50 (5.6) 1100 (124.3) 500 (56.5)

1250 – 2000 (635 – 1010) — — — — 1100 (124.3) 600 (67.8)

z NOTE – For a value of slot width or length not corresponding to those specified above, the largest torque value associated with

the conductor size shall be marked. Slot width is the nominal design value. Slot length is measured at the bottom of the slot.

Table 15: Slotted Screws and Hex Bolts

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 221 222

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BENSHAW ENHANCED KEYPAD Manual do Utilizador Página 45