Terminal Blocks and Wiring Systems

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Power Terminal Blocks

Introduction Standards Compliance High Fault SCCR Product Selection Product Selection Approximate Dimensions
High Fault SCCR Product Selection

Bulletin 1492-PD High Fault SCCR Ratings (with Fuses)

Cat. No. No. of Poles Amperage Rated Wire Range High Fault SCCR Ratings Conditions ⋆  SCCR ‡ 
Suitable Conductors § 
kcmil/AWG
Copper Wire 		Overcurrent Protection ♣ 
Fuse Required
Class/Max. Amp Rating 		RMS
Sym A 		Volts Max.
Line
Wire
Phase 		Load
Wire
Phase 		Line Load J T RK1 RKS G CC
1492-PDM3111
Aluminum 		3 115 Click to enlarge - 1492-Power_Blocks-12-79-1 Click to enlarge - 1492-Power_Blocks-12-79-1 #2…#6 #2…#6 200 200 200 100 60 30 100,000 600
#2…#14
1 		#2…#14
1 		#8…#10 #8…#10 100 100 100 — 60 30 100,000 600
1492-PDM3141
Aluminum 		3 115 Click to enlarge - 1492-Power_Blocks-12-79-2 Click to enlarge - 1492-Power_Blocks-12-79-5 #2…#6 #10…#14 200 200 200 100 60 30 200,000 600
#2…#14
1 		#10…#18
4 		#8…#10 #14 100 100 100 30 50 30 100,000 600
1492-PD3141
Aluminum 		3 175 Click to enlarge - 1492-Power_Blocks-12-81-1 Click to enlarge - 1492-Power_Blocks-12-81-4 #2/0…#6 #4…#14 200 200 200 100 60 30 100,000 600
#2/0…#14
1 		#4…#14
4
1492-PD3163
Aluminum 		3 335 Click to enlarge - 1492-Power_Blocks-12-81-3 Click to enlarge - 1492-Power_Blocks-12-81-6 400…3/0 #2…#8 400 400 400 200 — 30 200,000 600
600 — — — 60 — 100,000 600
400 kcmil…#6
1 		#2…#14
8 		2/0…#6 #2…#14 200 200 200 100 — 30
— 		200,000 600
1492-PD3183
Aluminum 		3 335 Click to enlarge - 1492-Power_Blocks-12-82-1 Click to enlarge - 1492-Power_Blocks-12-82-4 400…3/0 #2…#8 400 400 400 200 60 30 100,000 600
400 kcmil…#6
1 		#2…#14
8 		2/0…#6 #2…#14 200 200 200 100 60 30 100,000 600
1492-PD31123
Aluminum 		3 380 Click to enlarge - 1492-Power_Blocks-12-82-2 Click to enlarge - 1492-Power_Blocks-12-82-5 500…3/0 #2…#8 400 400 400 200 60 30 100,000 600
500 kcmil…#4
1 		#2…#14
12 		2/0…#4 #2…#14 200 200 200 100 60 30 100,000 600
1492-PD3C141
Copper 		3 175 Click to enlarge - 1492-Power_Blocks-12-86-3 Click to enlarge - 1492-Power_Blocks-12-86-6 2/0…#6 #4…#14 200 200 200 100 60 30 100,000 600
2/0…#14
1 		#4…#14
4
1492-PD3C263
Copper 		3 350 Click to enlarge - 1492-Power_Blocks-12-87-2 Click to enlarge - 1492-Power_Blocks-12-87-5 2/0…#2 #4…#8 400 400 400 100 60 30 100,000 600
2/0…#14
2 		#4…#14
6 		#4…#6 #10…#14 200 200 200 100 60 30 100,000 600
1492-PD3C163
Copper 		3 380 Click to enlarge - 1492-Power_Blocks-12-87-3 Click to enlarge - 1492-Power_Blocks-12-87-6 500…3/0 #2…#8 400 400 400 100 60 30 100,000 600
500 kcmil…#4
1 		#2…#14
6 		2/0…#4 #2…#14 200 200 200 100 60 30 100,000 600
  
⋆  Short-circuit Current Rating (SCCR) Conditions — Terminal blocks are considered suitable for use on a circuit capable of delivering not more than the stated SCCR at the maximum voltage specified when protected by the maximum ampere and Class of overcurrent protective device noted in the individual Recognitions.
‡  Short-circuit Current Rating, (SCCR) when noted additional conditions are provided. When larger overcurrent protection devices of type, or wire of different size is used, the Power Terminal block as a 10,000 amp withstand rating. Note the rated wire range of terminals may exceed the restrictive wire range used to provide higher SCCR.
§  Size Range of Line and Load conductors suitable to maintain noted SCCR.
♣  Maximum Size of Line side overcurrent protection to provide noted SCCR.

Cat. No. High Fault SCCR Ratings Conditions ⋆  SCCR ‡ 
Suitable Conductors
kcmil/AWG
Copper Wire 		Overcurrent Protection ♣ 
Fuse Required
Class/Max. Amp Rating 		RMS
Sym A 		Volts Max.
Line [AWG] Load [AWG] J T RK1 RK5 G CC
1492-PDE1111 2/0…#6 #2…14 300 300 200 100 60 30 100,000 600
1492-PDE1C111 2/0…#6 #2…14 300 300 200 100 60 30 100,000 600
1492-PDE1141 2/0…#6 2/0…#6 300 300 200 100 60 30 100,000 600
1492-PDE1C141 2/0…#6 2/0…#6 300 300 200 100 60 30 100,000 600
1492-PDE1183 400…3/0 #2…8 400 400 400 200 60 30 100,000 600
2/0…#6 #2…14 200 200 200 100 60 30 100,000 600
1492-PDE1C183 400…3/0 #2…8 400 400 400 200 60 30 100,000 600
2/0…#6 #2…14 200 200 200 100 60 30 100,000 600
1492-PDE1225 250…1/0 250…1/0 600 600 600 — — — 50,000 600
400 400 400 200 60 30 100,000 600
#2…6 #2…6 400 400 400 200 60 30 100,000 600
1492-PDE1C225 250…1/0 250…1/0 600 600 600 — — — 50,000 600
400 400 400 200 60 30 100,000 600
#2…6 #2…6 400 400 400 200 60 30 100,000 600
  
⋆  Short-circuit Current Rating (SCCR) Conditions — Terminal blocks are considered suitable for use on a circuit capable of delivering not more than the stated SCCR at the maximum voltage specified when protected by the maximum ampere and Class of overcurrent protective device noted in the individual Recognitions.
‡  Short-circuit Current Rating, (SCCR) when noted additional conditions are provided. When larger overcurrent protection devices of type, or wire of different size is used, the Power Terminal block as a 10,000 amp withstand rating. Note the rated wire range of terminals may exceed the restrictive wire range used to provide higher SCCR.
§  Size Range of Line and Load conductors suitable to maintain noted SCCR.
♣  Maximum Size of Line side overcurrent protection to provide noted SCCR.

Cat. No. High Fault SCCR Ratings Conditions ⋆  SCCR ‡ 
Suitable Conductors
kcmil/AWG
Copper Wire 		Overcurrent Protection ♣ 
Fuse Required
Class/Max. Amp Rating 		RMS
Sym A 		Volts Max.
Line Load J T RK1 RK5 G CC
1492-PDL3111 2/0…#6 AWG 2/0…#6 AWG 200 200 200 100 60 30 100,000 600
1492-PDL3141 2/0…#6 AWG #4…14 AWG 200 200 200 100 60 30 100,000 600
1492-PDL3161 2/0…#6 AWG #4…14 AWG 200 200 200 100 60 30 100,000 600
1492-PDL31S1 2/0…#6 AWG 2/0…#6 AWG 300 200 200 200 60 30 100,000 600
#8…10 AWG #8…10 AWG 300 100 100 100 60 30 100,000 600
1492-PDL3163 400 kcmil…3/0 AWG #2…8 AWG 400 400 400 200 60 30 100,000 600
2/0…#6 AWG #2…14 AWG 200 200 200 100 60 30 100,000 600
1492-PDL3194 600 kcmil…3/0 AWG 1/0…#8 AWG 600 600 400 200 60 30 100,000 600
2/0…#2 AWG #2…14 AWG 200 200 200 100 60 30 100,000 600
1492-PDL31124 600 kcmil…3/0 AWG 4…8 AWG 600 600 400 — — — 100,000 600
2/0…#2 AWG #4…14 200 200 200 200 60 30 100,000 600
  
⋆  Short-circuit Current Rating (SCCR) Conditions — Terminal blocks are considered suitable for use on a circuit capable of delivering not more than the stated SCCR at the maximum voltage specified when protected by the maximum ampere and Class of overcurrent protective device noted in the individual Recognitions.
‡  Short-circuit Current Rating, (SCCR) when noted additional conditions are provided. When larger overcurrent protection devices of type, or wire of different size is used, the Power Terminal block as a 10,000 amp withstand rating. Note the rated wire range of terminals may exceed the restrictive wire range used to provide higher SCCR.
§  Size Range of Line and Load conductors suitable to maintain noted SCCR.
♣  Maximum Size of Line side overcurrent protection to provide noted SCCR.