Data Sheet

ManualsBrandsSIEMENS ManualsMonitoring & Safety RelaysO/L relay 1 pc(s) 3RB2056-1FF2

Data sheet 3RB2056-1FF2

Overload relay 50...200 A for motor protection Size S6, Class 10E

Contactor mounting/stand-alone installation Main circuit: busbar

connection Auxiliary circuit: Spring-type terminal Manual-Automatic-

Reset

Product brand name SIRIUS

Product designation solid-state overload relay

Product type designation 3RB2

General technical data

Size of overload relay S6

Size of contactor can be combined company-specific S6

Insulation voltage with degree of pollution 3 rated

value

1000V

Surge voltage resistance rated value 8kV

maximum permissible voltage for safe isolation

● in networks with grounded star point between

auxiliary and auxiliary circuit

300V

● in networks with grounded star point between

auxiliary and auxiliary circuit

300V

● in networks with grounded star point between

main and auxiliary circuit

600V

● in networks with grounded star point between

main and auxiliary circuit

690V

Protection class IP

● on the front

IP20

3RB2056-1FF2 Subject to change without notice

Page 1/

Summary of content (7 pages)

PAGE 1
Data sheet 3RB2056-1FF2 Overload relay 50...
PAGE 2
● of the terminal Shock resistance ● acc.
PAGE 3
● Note for message "tripped" Number of CO contacts ● for auxiliary contacts 0 Operating current of auxiliary contacts at AC-15 ● at 24 V 4A ● at 110 V 4A ● at 120 V 4A ● at 125 V 4A ● at 230 V 3A Operating current of auxiliary contacts at DC-13 ● at 24 V 2A ● at 60 V 0.55 A ● at 110 V 0.3 A ● at 125 V 0.3 A ● at 220 V 0.
PAGE 4
— downwards 0 mm — at the side 0 mm ● for grounded parts — forwards 0 mm — Backwards 0 mm — upwards 0 mm — at the side 6 mm — downwards 0 mm ● for live parts — forwards 0 mm — Backwards 0 mm — upwards 0 mm — downwards 0 mm — at the side 6 mm Connections/ Terminals Product function ● removable terminal for auxiliary and control circuit Yes Type of electrical connection ● for main current circuit busbar connection ● for auxiliary and control current circuit spring-loaded terminals
PAGE 5
● due to conductor-earth surge acc. to IEC 61000-4-5 2 kV (line to earth) corresponds to degree of severity 3 ● due to conductor-conductor surge acc. to IEC 61000-4-5 1 kV (line to line) corresponds to degree of severity 3 ● due to high-frequency radiation acc. to IEC 61000-4-6 10 V in frequency range 0.15 to 80 MHz, modulation 80 % AM with 1 kHz Field-bound parasitic coupling acc. to IEC 61000-4-3 10 V/m Electrostatic discharge acc.
PAGE 6
Further characteristics (e.g. electrical endurance, switching frequency) http://www.automation.siemens.com/bilddb/index.aspx?view=Search&mlfb=3RB2056-1FF2&objecttype=14&gridview=view1 120 154.6 104 149.6 37 79.1 12.5 49.1 95 47.5 96 97 98 8.5 6.5 95 76 82 118.5 95 38 47.5 10 37 17 9 3 7.2 51.