Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, Trip Dial: 0.7 → 1 A, 1A F.L.C, 1A Contact Rating, 550 W, 690V ac

Sous-total (1 unité)*

99,49 €

(TVA exclue)

120,38 €

(TVA incluse)

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1 +99,49 €

*Prix donné à titre indicatif

N° de stock RS:
213-1124
Référence fabricant:
3RU2116-0JB1
Fabricant:
Siemens
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Marque

Siemens

Product Type

Thermal Overload Relay

FLC Motor Rating

1A

Relay Contact Current

1A

Mount Type

Stand Alone

Series

SIRIUS 3RU2

Pole and Throw Configuration

3P

Power Rating

550W

Terminal Type

Screw

Normal State Configuration

1 NO/1 NC

IP Rating

IP20

Reset Method

Automatic & Manual

Width

45mm

Minimum Operating Temperature

-40°C

Number of Auxiliary Contacts

2

Adjustable Current Range

0.7 → 1 A

Contact Voltage

690V

Maximum Operating Temperature

70°C

Length

89mm

Standards/Approvals

EAC, IEC 81346-2, UL, IEC 61508, CE, CCC, IEC 60068-2-27, IEC 60529, CSA

Depth

80mm

Control Voltage

690V ac

Pays d'origine :
DE

Siemens SIRIUS 3RU2 Series Thermal Overload Relay, 0.7 to 1A Adjustable Current Range, 550W Power - 3RU2116-0JB1


This thermal overload relay is designed to protect three-phase motors by sensing phase current and disconnecting on thermal overload. It operates within industrial electrical systems up to 690 V and provides both manual and automatic reset options for restart strategies. The unit incorporates an integrated auxiliary switch to signal trip events and is intended for stand-alone mounting or pairing with S00 contactors in control panels.

Features and Benefits:


• Class 10 trip characteristic for timed motor protection
• Adjustable current range 0.7 to 1 A for precise setting
• Operational power 0.55 kW at 690 V for motor rating
• Integrated 1 NO and 1 NC auxiliary contacts for signalling
• IP20 front protection for safe panel access

Applications


• Suitable for motor protection in light industrial drives
• Used with S00 contactors for Compact control assemblies
• Ideal for three-phase systems up to 690 V operating voltage
• Can be used in systems requiring manual or automatic reset
• Suitable for installations at altitudes up to 2000 m

What ambient temperatures can it operate within?


It functions between -40 and +70 °C during operation and allows storage and transport from -55 to +80 °C.

How are connections MADE for main and auxiliary circuits?


Both main and auxiliary circuits use screw-type terminals with top-and-bottom main connectors and defined conductor cross-section ranges.

What short-circuit protection is required for the auxiliary switch?


A gG fuse of 6 A or a quick-acting fuse of 10 A is specified for protecting the auxiliary switch.

What mechanical stresses can it withstand during transport?


It meets a shock resistance of 8 g/11 MS according to IEC 60068-2-27.

What is the power loss at rated current?


The device dissipates approximately 4.8 W in the hot operating state, equivalent to about 1.6 W per pole.

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