Double-deck terminal block


Double-deck terminal block; Through/through terminal block; N/L; without marker carrier; suitable for Ex e II applications; Blue conductor entry lower deck; for DIN-rail 35 x 15 and 35 x 7.5; 2.5 mm²; Push-in CAGE CLAMP®; 2,50 mm²; gray



Electrical data
Ratings per IEC/EN
Ratings per IEC/EN 60947-7-1
Nominal voltage (III/3) 500V
Rated impulse voltage (III/3) 6kV
Rated current 24A
Rated current 2 28A
Legend (ratings) (III / 3) ≙ Overvoltage category III / Pollution degree 3
Ratings per UL
Approvals per UL 1059
Rated voltage UL (Use Group B) 300V
Rated current UL (Use Group B) 20A
Rated voltage UL (Use Group C) 300V
Rated current UL (Use Group C) 20A
Rated voltage UL (Use Group D) 600V
Rated current UL (Use Group D) 5A
Ratings per CSA
Approvals per CSA 22.2 No 158
Rated voltage CSA (Use Group B) 600V
Rated current CSA (Use Group B) 20A
Rated voltage CSA (Use Group C) 600V
Rated current CSA (Use Group C) 20A
Ex information
Reference hazardous areas See Downloads – Documentation – Additional Information: Technical Section; Technical explanations
Ratings per ATEX: PTB 03 ATEX 1162 U / IECEx: PTB 03.0004U (Ex eb IIC Gb)
Rated voltage EN (Ex e II) 440V
Rated current (Ex e II) 20A
Rated current (Ex e II) with jumper 18A
Power loss
Power loss, per pole (potential) 0.766W
Rated current IN for specified power loss 24A
Resistance value for specified, current-dependent power loss 0.001Ω


Connection data
Total number of connection points 4
Total number of potentials 2
Number of levels 2
Number of jumper slots 4
Connection 1
Connection technology Push-in CAGE CLAMP®
Number of connection points 2
Actuation type Operating tool
Connectable conductor materials Copper
Nominal cross-section 2.5 mm²
Solid conductor 0.25 … 4 mm² / 22 … 12 AWG
Solid conductor; push-in termination 0.75 … 4 mm² / 18 … 12 AWG
Fine-stranded conductor 0.25 … 4 mm² / 22 … 12 AWG
Fine-stranded conductor; with insulated ferrule 0.25 … 2.5 mm² / 22 … 14 AWG
Fine-stranded conductor; with ferrule; push-in termination 1 … 2.5 mm² / 18 … 14 AWG
Note (conductor cross-section) Depending on the conductor characteristic, a conductor with a smaller cross-section can also be inserted via push-in termination.
Strip length 10 … 12 mm / 0.39 … 0.47 inches
Wiring direction Front-entry wiring
Connection 2
Number of connection points 2 2


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