Submittal Sheet

ManualsBrandsFurnas Controls ManualsOverload RelaysSolid State Overload Relay, Manual Auto Reset, 6-25 Amp

Data sheet 3RB3026-1QB0

Overload relay 6...25 A for motor protection size S0, CLASS 10E

contactor mounting Main circuit: screw term. Aux. circuit: screw term.

Manual/Auto RESET

Product brand name SIRIUS

Product designation solid-state overload relay

Product type designation 3RB3

General technical data

Size of overload relay S0

Size of contactor can be combined company-specific S0

Power loss [W] total typical 1.2W

Insulation voltage with degree of pollution 3 rated

value

690V

Surge voltage resistance rated value 6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

3RB3026-1QB0 Subject to change without notice

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Summary of content (8 pages)

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Data sheet 3RB3026-1QB0 Overload relay 6...25 A for motor protection size S0, CLASS 10E contactor mounting Main circuit: screw term. Aux. circuit: screw term. Manual/Auto RESET Product brand name SIRIUS Product designation solid-state overload relay Product type designation 3RB3 General technical data Size of overload relay S0 Size of contactor can be combined company-specific S0 Power loss [W] total typical 1.
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● on the front IP20 ● of the terminal IP20 Shock resistance ● acc.
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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.
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— at the side 0 mm ● for grounded parts — forwards 6 mm — Backwards 0 mm — upwards 6 mm — at the side 6 mm — downwards 6 mm ● for live parts — forwards 6 mm — Backwards 0 mm — upwards 6 mm — downwards 6 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 screw-type terminals ● for auxiliary and control current circuit screw-type terminals Arrangement of ele
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M3 ● of the auxiliary and control contacts Communication/ Protocol Type of voltage supply via input/output link master No Electromagnetic compatibility Conducted interference ● due to burst acc. to IEC 61000-4-4 2 kV (power ports), 1 kV (signal ports) corresponds to degree of severity 3 ● 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.
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