Control panel design guide according UL 508A - Eaton

1 Control panel design guideControl panel design guideaccording UL 508A Build it CORPORATION Control panel design guideDesigning the panelMulti-Load panel ControllerControllerControllerController ControllerTransformer or Power SupplyOverload ProtectionOverload ProtectionOverload ProtectionOverload ProtectionBranchProtectionBranchProtecti onControllerOverload ProtectionBranchProtectionBranchProtecti onMMLG roup Motor Multiple Motors Protected by a Single Set of Fuses or BreakerSee Page 10 Individual Circuit for Motor LoadSee Page 14 Heater or Lighting LoadSee Page 24 Feeder MainSee Page 4 ControlCircuit See Page 36 Single MotorLoadSee Page 52 ControlCircuitSee Page 36 Feeder MainTransformer or Power SupplyMMLB ranchProtectionFeeder Main ControllerControllerControllerController ControllerTransformer or Power SupplyOverload ProtectionOverload ProtectionOverload ProtectionOverload ProtectionBranchProtectionBranchProtecti onControllerOverload ProtectionBranchProtectionBranchProtecti onMMLG roup Motor Multiple Motors Protected by a Single Set of Fuses or BreakerSee Page 10 Individual Circuit for Motor LoadSee Page 14 Heater or Lighting LoadSee Page 24 Feeder MainSee Page 4

2 ControlCircuit See Page 36 Single MotorLoadSee Page 52 ControlCircuitSee Page 36 Feeder MainTransformer or Power SupplyMMLB ranchProtectionFeeder MainSingle Motor PanelOR3 Eaton CORPORATION Control panel design guideContentsFeeder Main 4 Group Motor 10 Individual Circuit for Motor Load 14 Heater or Lighting Lead 24 Power Circuit Wiring 32 Control Circuit 36 Single Motor Load 52 Feeder MainGroup MotorIndividual Circuit for Motor LoadHeater or Lighting LeadPower Circuit WiringControl CircuitSingle Motor Load4 Eaton CORPORATION Control panel design guideSizing the feederReference to UL 508A Section feeder amp rating is sized based on the sum of the amp rating of the largest branch protective device plus the full-load currents of the other this example, the 125A circuit breaker is the largest short-circuit protective device.

3 This value is added to the full load currents of the other loads in the circuit (motors, heater, and the primary of the transformer).The overcurrent feeder amp rating should not exceed the conductor ampacity rating on the loadside. For conductor ampacity ratings, see UL508 A Table Breaker 175 ACircuit Breaker 50 AFuses6 ACircuit Breaker 125 ACircuit Breaker 25 AOverload ProtectionOverload ProtectionOverload ProtectionControllerControllerTransforme r or Power SupplyControllerControllerControllerOver load ProtectionMotor LoadMotor LoadMotor LoadMotor LoadHeater LoadTransformer Load (Primary Side) FLA14 FLA65 Multi-Load Panel125A + + + 14A + 20A + 2A = 172A Use closest size, 175A5 Eaton CORPORATION Control panel design guideWhitepaper download.

4 Disconnect switches (Circuit Breakers and Molded Case Switches) equipped with door mounted rotary handles, and installed in industrial Control panels for industrial machinery applications, essentially require the use of an additional internally mounted supplementary handle in order to meet all of the requirements found in the relevant North Amer-ican standards dealing with this application. Eaton s assortment of new supplementary handles meet these stricter requirements in both the UL 508A and NFPA 79 key requirements of relevant North American standards(2)(3)20 (1)Feeder Main6 Eaton CORPORATION Control panel design guideComplete assortment -> currentcircuit breakerfuse acc.

5 NEC/CECM olded Case Switchmain switch assembly kit with additional rotary handlePart SCCR SCCR SCCR SCCR SCCR blackred-yellow480Y/ 277V480V600Y/ 347V480Y/ 277V480V600Y/ 347 VAkAAkA15 NZMB2-AF15(-BT)-NA25251815NS2-160(-BT)-N A10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF15( -BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF15( -BT) (-BT)-NA25251820NS2-160(-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF20( -BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF20( -BT) (-BT)-NA25251825NS2-160(-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF25( -BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF25( -BT) (-BT)-NA25251830NS2-160(-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF30( -BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF30( -BT) (-BT)-NA25251835NS2-160(-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF35( -BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF35( -BT)-NA15015065 NZM2-XHB-DA-NANZM2-XHB-DAR-NA40 NZMB1-AF40-NA2540NS1-63-NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMN1-AF40- NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMB2-AF40( -BT)-NA25251840NS2-160(-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF40( -BT)

6 -NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF40( -BT)-NA15015065 NZM2-XHB-DA-NANZM2-XHB-DAR-NA45 NZMB1-AF45-NA2545NS1-63-NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMN1-AF45- NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMB2-AF45( -BT)-NA25251845NS2-160(-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF45( -BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF45( -BT)-NA15015065 NZM2-XHB-DA-NANZM2-XHB-DAR-NA50 NZMB1-AF50-NA2550NS1-63-NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMN1-AF50- NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMB2-AF50( -BT)-NA25251850NS2-160(-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF50( -BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF50( -BT)-NA15015065 NZM2-XHB-DA-NANZM2-XHB-DAR-NAUL 489 Circuit Breaker and Molded Case Switch Selection7 Eaton CORPORATION Control panel design guideComplete assortment -> 489 Circuit Breaker and Molded Case Switch Selectionrated currentcircuit breakerfuse acc.

7 NEC/CECM olded Case Switchmain switch assembly kit with additional rotary handlePart SCCR SCCR SCCR SCCR SCCR blackred-yellow480Y/ 277V480V600Y/ 347V480Y/ 277V480V600Y/ 347 VAkAAkA60 NZMB1-AF60-NA2550NS1-63-NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMN1-AF60- NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMB2-AF60( -BT)-NA25251860NS2-160(-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF60( -BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF60( -BT)-NA15015065 NZM2-XHB-DA-NANZM2-XHB-DAR-NA70 NZMB1-AF70-NA2570NS1-100-NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMN1-AF70- NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMB2-AF70( -BT)-NA25251870NS2-160(-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF70( -BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF70( -BT)-NA15015065 NZM2-XHB-DA-NANZM2-XHB-DAR-NA80 NZMB1-AF80-NA2580NS1-100-NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMN1-AF80- NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMB2-AF80( -BT)-NA25251880NS2-160(-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF80( -BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF80( -BT)-NA15015065 NZM2-XHB-DA-NANZM2-XHB-DAR-NA90 NZMB1-AF90-NA2590NS1-100-NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMN1-AF90- NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMB2-AF90( -BT)

8 -NA25251890NS2-160(-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF90( -BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF90( -BT)-NA15015065 NZM2-XHB-DA-NANZM2-XHB-DAR-NA100 NZMB1-AF100-NA25100NS1-100-NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMN1-AF100 -NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMB2-AF100 (-BT)-NA252518100NS2-160(-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF100 (-BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF100 (-BT)-NA15015065 NZM2-XHB-DA-NANZM2-XHB-DAR-NA110 NZMB1-AF110-NA25110NS1-125-NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMN1-AF110 -NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMB2-AF110 (-BT)-NA252518110NS2-160(-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF110 (-BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF110 (-BT)-NA15015065 NZM2-XHB-DA-NANZM2-XHB-DAR-NA125 NZMB1-AF125-NA25125NS1-125-NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMN1-AF125 -NA35 NZM1-XHB-DA-NANZM1-XHB-DAR-NANZMB2-AF125 (-BT)-NA252518125NS2-160(-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF125 (-BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF125 (-BT)-NA15015065 NZM2-XHB-DA-NANZM2-XHB-DAR-NA150 NZMB2-AF150(-BT)-NA252518150NS2-160(-BT) -NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF150 (-BT)

9 -NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF150 (-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NA175 NZMB2-AF175(-BT)-NA252518175NS2-200(-BT) -NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF175 (-BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF175 (-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NA200 NZMB2-AF200(-BT)-NA252518200NS2-200(-BT) -NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF200 (-BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF200 (-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NAFeeder Main8 Eaton CORPORATION Control panel design guideComplete assortment -> currentcircuit breakerfuse acc. NEC/CECM olded Case Switchmain switch assembly kit with additional rotary handlePart SCCR SCCR SCCR SCCR SCCR blackred-yellow480Y/ 277V480V600Y/ 347V480Y/ 277V480V600Y/ 347 VAkAAkA225 NZMB2-AF225(-BT)-NA252518225NS2-250(-BT) -NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF225 (-BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF225 (-BT)-NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NA250 NZMB2-AF250(-BT)-NA252518250NS2-250(-BT) -NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMN2-AF250 (-BT)-NA353535 NZM2-XHB-DA-NANZM2-XHB-DAR-NANZMH2-AF250 (-BT)

10 -NA10010050 NZM2-XHB-DA-NANZM2-XHB-DAR-NA300 NZMN3-AEF300-NA424235300NS3-400.