Data Sheet
Data sheet | Item number:2857-121
www.wago.com/2857-121
06.12.2018Page /2 11
Various marking options available
Sealable, transparent cover
Commoning option via 859-402 jumpers
Data
Electrical data
Power loss 3 W
Ratings per IEC/EN 60664-1
Rated voltage (III / 3) 250 V
Rated impulse voltage (III / 3) 4 kV
Rated voltage (III / 2) 320 V
Rated impulse voltage (III / 2) 4 kV
Rated voltage (II / 2) 630 V
Rated impulse voltage (II / 2) 4 kV
Rated current 16 A
Approvals per UL 1059
Rated voltage UL (Use Group B) 300 V
Rated current UL (Use Group B) 15 A
Rated voltage UL (Use Group D) 300 V
Rated current UL (Use Group D) 10 A
Approvals per CSA
Rated voltage CSA (Use Group B) 300 V
Rated current CSA (Use Group B) 15 A
Rated voltage CSA (Use Group D) 300 V
Rated current CSA (Use Group D) 10 A
Connection data
No. of poles 4
Number of levels 2
Number of jumper slots 4
Connection technology
Push-in CAGE CLAMP
®
Solid conductor 0.2 … 2.5 mm² / 24 … 12 AWG
Fine-stranded conductor 0.2 … 2.5 mm² / 24 … 12 AWG
Fine-stranded conductor with ferrule with plastic collar 0.2 … 1.5 mm² / 24 … 16 AWG
Strip length 9 … 10 mm / 0.35 … 0.39 Inch