Catalog Number escription Enclosed Safety Switches Number Segment Character escription 2 N RB L=Light duty =General duty Fusible =eavy duty Type of Switch T=ouble throw U=General duty Non-Fusible U=eavy duty TU=ouble throw pole 2 2 poles Blades Switchable Poles poles 4 4 poles 6 6 poles 20 Vac (plug fuse) Voltage Rating 2 2 Vac 6 0 Vac 0 A 2 A 00 A 4 200 A Ampere Rating 5 0 A 6 0 A 7 800 A 8 200 A Factory-installed neutral (neutrals are field-installed on most general duty, heavy duty, N and double throw safety switches). No suffix NEMA Type A NEMA Type 2K AK NEMA Type 2 (without K.O.) F NEMA Type 4X Fiberglass reinforced polyester Enclosure S NEMA Types 4, 4X, and 5 (Type 04 stainless steel) X NEMA Type 4X Krydon Factory Modifications For dc ratings, see the latest catalog listing. R NEMA Type R RB NEMA Type R (bolt-on hub provision) SS NEMA Types 4, 4X, and 5 (Type 6 stainless steel) CLR Class R fuse kit EI or EI2 Electrical interlock kit GL Equipment ground lugs GLC Equipment ground lug, copper only KI, KI2 or KIKI or 2 Key interlocks LK Compression lugs (800 and 200 A only) NP Phenolic legend plate PB Push buttons, pilot lights, selector switches. Customer must provide catalog number of control device to be installed SLC Copper lugs (0 0 A) SP Special paint colors SPLO Lock-on provision V Viewing window A Appleton interlocked receptacle C Crouse-inds Arktite interlocked receptacle ubbellock interlocked receptacle
26 Table 4: Accessories for Current eavy uty Safety Switches Catalog Number Electrical Interlock ( Contact) Electrical Interlocks (2 Contacts) Class R Kits Solid (Al/Cu) Solid (Cu Only) Grounding Kit (Al) Grounding Kit (Cu) Fuse Puller Receptacle Plugs 466 XFA 66AK 66S EIK EIK2 0202 RK RFK0 RK020 00SNA C 664S U265 U265AK EIK EIK 0202 0202 EIK2 EIK2 RK020 RK020 0SN 0SN 0SNC 0SNC U265S U265R U266 U266AK EIK EIK EIK EIK EIK2 EIK2 EIK2 EIK2 0SN 0SN 0SN 0SN 0SNC 0SNC 0SNC 0SNC U266S U266R U UAK EIK EIK EIK EIK EIK2 EIK2 EIK2 EIK2 0SN 0SN 0SN 0SN 0SNC 0SNC 0SNC 0SNC UR U268 U268AK U268R EIK EIK EIK EIK EIK2 EIK2 EIK2 EIK2 800SN 800SN 200SN 200SN PKOGTA7 PKOGTA7 PKOGTA8 PKOGTA8 U6 U6A U6AA U6AC C C U6AK U6F U6S U6SA EK00 EK00 EK002 EK002 SN SN C SNC SNC PKGTA PKOGTC U6SC U6X U6RB U6A EK06 SN SNC C U6C U62 U62A U62AA C C C C C C C ACP4BC U62AC U62A U62AK U62F SN C C C SNC C C C S278 U62S U62SA U62SC U62X EK06 EK06 EK06 SN SN SNC SNC PKGTA PKOGTC ACP4BC U62RB U62A U62C U62 C C C ACP4BC S278 U6 U6A U6AA U6AC C C C C ACP04C APJ0487 U6AK U6F U6S U6SA 020 020 0202 0202 00SN C C 00SNC C ACP04C U6SC U6X U6RB U6A 020 0202 C C C APJ0487 ACP04C U6C U64 U64A U64AK C C C APJ0487 U64F U64S U64RB U65 E 9999R8 EIK 9999R9 EIK2 0SN C C 0SNC Continued on next page
28 UL Listed Maximum Short Circuit Current RatingsAC Only NOTE: Consult the wiring diagram of the switch to verify the UL Listed short circuit current rating. Table 5: Fusible Short Circuit Current Ratings eavy uty Safety Switch UL Listed Short Circuit UL Listed Fuse Class Type Current Ratings, K 0 ka Fusible R, J, L 200 ka On 0 V 200 A switches, 00,000 A max. on corner grounded delta when protected by Class J or R fuses. Table 6: Non-Fusible Safety Switches eavy uty Switch Rating Fuse or Circuit Safety Switch (A) Breaker Type 2 Type -Phase 2 Vac 480 Vac 0 Vac Any brand circuit breaker All, K Up to 0 ka R,T,J.L 200 ka 200 ka 200 ka 0 00 65 ka 5 ka ka 0 00 FA 4 ka 4 ka 4 ka Non-Fusible 0 00 F 8 ka 8 ka 8 ka Switches 200, J 65 ka 5 ka ka 200 KA 0 LA 22 ka 22 ka 22 ka 0 MA 200 K 0 L ka ka ka 0 M Applies to NEMA Types, R, 4X stainless, 2 switches. 2 Ampere rating of fuse or circuit breaker not to exceed switch ampere rating. All and J circuit breakers are acceptable, but will only support the noted Short Circuit Current Rating. Table 7: Terminal Lug ata (NEMA Types, R, 4, 4X, 5, 7, 9, 2) Rating (A) Conductors Per Phase and ire Range ire Bending Space Per NEC Table 2.6 AG/kcmil Lug ire Range AG/kcmil Optional Versa-Crimp Compression Lug Field-Installed 2 2 6 (Al) or 4 6 (Cu) 2 2 (Al) 0 4 0 (Cu) solid or 2 or 4 0 (Cu) 4 2 (Cu) stranded 4 4 (Al) or 4 (Cu) 2 2 (Al) or 4 2 (Cu) 00 2 /0 (Al) or 4 /0 (Cu) 2 /0 (Al) or 4 /0 (Cu) VCEL024S 200 5 6 2 (Al/Cu) 6 00 (Al/Cu) VCEL0056 VCEL0752 /0 7 (Al/Cu) 6 /0 7 (Al/Cu) or 0 or or and VCEL0056 7 2 /0 00 (Al/Cu) /0 00 (Al/Cu) and VCEL02 0 2 /0 0 (Al/Cu) /0 0 (Al/Cu) VCEL02 800 /0 7 (Al/Cu) /0 7 (Al/Cu) 8LKE2 8 200 4 /0 7 (Al/Cu) /0 7 (Al/Cu) 2LKE2 8 0 00 A switches suitable for C or 75 C conductors. 200 200 A switches suitable for 75 o C conductors. 2 For NEMA Types and R only. U46AK 4 6 AG (Cu). 4 XFA 4 6 AG (Cu). 5 2XKA 4 AG 00 kcmil (Cu). 6 Maximum wire range is () 0 kcmil or (2) 00 kcmil Al/Cu on NEMA Type 4X Stainless and NEMA Type 2. 7 Order two PK56KN mounting kits when installing VCEL0056 lugs. Only one kit is required on two-pole switches. 8 See igest 75 page, 800 and 200 A compression lug kits for additional information.
2 Table 2: 200 A eavy uty Ratings Catalog Number 20 Vac 2 Vac 480 Vac 0 Vac Vdc 2 Vac 480 Vac 0 Vac Max. Max. Max. Max. Max. hp Ratings Max. Max. Max. Ø Ø Ø Ø Ø Ø Ø Ø Ø Ø Ø Ø Ø Ø 2 0 2Ø 2Ø 2Ø 2Ø 2Ø 2Ø 224S 224A 224AK 5 5 5 224N 224NRB 5 2 5 2 24S 24A 24AK 24N 24NRB 64 64RB 64S 64A 64AK 64N 64NRB 464 464S 464AK 664S U64 U64RB U64S U64A U64AK U464 U464S U46AK U664S U664AK 75 75
Table 2: imensions Catalog Number Approximate imensions / / Typical NEMA Types 4, 4X, 5, 2, and 2K Typical NEMA Type 4X Fiberglass Reinforced Polyester and Krydon Typical NEMA Types 7 and 9 46AK 462AK 462S 46AK 46S 464AK 464S in. mm in. mm in. mm in. mm 20. 20. 20. 2. 59. 465AK 46. 2. 826 2. 826 0. 9 66AK 66S 664S U265AK,S U266AK, S UAK U268AK U6AK, A U6S U6SA U6SC U6F U6X U62A U62AK, A U62S U62SA U62SC U62F U62X U6AA U6AC U6AK, A U6S U6F U6X 20. 46. 46. 4. 4.9 6. 9. 6. 6. 6. 9. 20. 20. 20. 24.80. 7 79 49 49 60 2. 6.6 7.22.00..00. 9.6.70. 59 68 8 28 48. 7.55 8.67 0.8 0.79.00. 0. 0. 0.8 0.8 0.79.00. 0. 0. 0...70. 92 220 275 274 265 275 274 286 48 0. 0. 4.96 8.80 8. 8.80 8. 2.00 8. 9 9 224 28 224 28 05 28 U64F E.0 795 26.0 668 26.0 668.80 00 U64AK, A U64S, SS U65AK, S U66AK, S U67AK U68AK U46AK U46S U462AK U462S U46AK U46S U464AK U464S 46. 46. 20. 20. 20. 7. 7. 48 48 8.6 9. 8.6 9. 47 489 47 489 0. 0. 26 9 9 26 U465AK 46. 2. 826 2. 826 0. 9 66AK 66S 664S, RK 20. 2. 59. 42