Datasheet

ManualsBrandsSiemens ManualsAutomationOverload Relay SIRIUS 3Ru2 100 A 690 V 1NC/1NO

Data sheet 3RU2146-4MB0

Overload relay 80...100 A for motor protection Size S3, CLASS 10

Contactor mounting Main circuit: Screw Auxiliary circuit: Screw

Manual-Automatic-Reset

Product brand name SIRIUS

Product designation thermal overload relay

Product type designation 3RU2

General technical data

Size of overload relay S3

Size of contactor can be combined company-specific S3

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

440V

● in networks with grounded star point between

auxiliary and auxiliary circuit

440V

● in networks with grounded star point between

main and auxiliary circuit

440V

● in networks with grounded star point between

main and auxiliary circuit

440V

3RU2146-4MB0 Subject to change without notice

Page 1/

Summary of content (7 pages)

PAGE 1
Data sheet 3RU2146-4MB0 Overload relay 80...
PAGE 2
Protection class IP ● on the front IP20 ● of the terminal IP00 Shock resistance ● acc. to IEC 60068-2-27 8g / 11 ms Recovery time ● after overload trip with automatic reset typical 10 min ● after overload trip with remote-reset 10 min ● after overload trip with manual reset 10 min Type of protection on request Certificate of suitability relating to ATEX on request Protection against electrical shock finger-safe when touched vertically from front acc. to IEC 60529 Reference code acc.
PAGE 3
● at 110 V 3A ● at 120 V 3A ● at 125 V 3A ● at 230 V 2A ● at 400 V 1A Operating current of auxiliary contacts at DC-13 ● at 24 V 2A ● at 60 V 0.3 A ● at 110 V 0.22 A ● at 125 V 0.22 A ● at 220 V 0.11 A Design of the miniature circuit breaker ● for short-circuit protection of the auxiliary switch required Contact rating of auxiliary contacts according to UL 6A (SCC less than equal to 0.
PAGE 4
● 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 No Type of electrical connection ● for main current circuit screw-type terminals ● for auxiliary and control current circuit screw-type terminals Arrangement of electrical connectors for
PAGE 5
Design of the thread of the connection screw ● for main contacts M8 ● of the auxiliary and control contacts M3 Safety related data T1 value for proof test interval or service life acc.
PAGE 6
152 70 147 81 89.