Siemens 3RH2 Contactor Relay, 110 V ac Coil, 3 A 690 V, 2 NC/2 NO, 690V

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RS Stock No.:
216-2820
Mfr. Part No.:
3RH2122-1AK60
Manufacturer:
Siemens
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Brand

Siemens

Product Type

Contactor Relay

Coil Voltage

110 V ac

Contact Voltage

690V

Contact Current

3A

Series

3RH2

Mount Type

DIN Rail

Normal State Configuration

2 NC/2 NO

Number of Auxiliary Contacts

4

Auxiliary Contact Configuration

2 NO/2 NC

Terminal Type

Screw

Operational Current Ie

3A

Control Circuit Voltage Uc

690 V

Minimum Operating Temperature

-25°C

Maximum Operating Temperature

60°C

Standards/Approvals

CCC, CE, CSA, EAC, IEC 60068-2-30, IEC 60529, IEC 61508, IEC 81346-2, UL

Length

57.5mm

Depth

73mm

Width

45 mm

Pole and Throw Configuration

2 NO/2 NC

COO (Country of Origin):
DE

Siemens 3RH2 Series Contactor Relay, 110V AC Coil Voltage, 3A Current Rating - 3RH2122-1AK60


This contactor relay is designed for efficient control in various electrical applications, with a coil voltage of 110V AC. The relay measures 57.5mm in length, 45mm in width, and 73mm in depth, making it suitable for mounting on DIN rails. Built to handle a contact voltage rating of 690V AC, this device is an excellent choice for industrial settings.

Features & Benefits


• Auxiliary switch capability enhances control for complex systems

• High mechanical service life of up to 30 million operations

• Fast switching frequency supports efficient operation at 10,000 1/h

• Screw terminal connections ensure secure and reliable installation

Applications


• Used in automation systems for machine control

• Ideal for motor control in manufacturing

• Suitable for lighting control in industrial environments

• Effective in HVAC systems for efficient operation

• Utilised in food processing equipment for reliability

What is the operational current at different voltage ratings?


The operational current varies based on voltage; for DC-12 at 110V, it is rated at 4A and at 230V AC-15 it is 10A. At 690V, the maximum operational current is 1A.

How does this device perform in extreme temperatures?


It operates effectively in temperatures ranging from -25°C to +60°C, ensuring reliability in harsh environments.

Can this relay be mounted in various orientations?


Yes, it supports +/- 180° rotation on vertical surfaces and tilts forward and backward by +/- 22.5° for flexible installation options.

What are the safety features incorporated into the design?


This relay includes positively driven operation for safety and IP20 protection, ensuring safe operation in industrial settings.

How many auxiliary contacts can be used simultaneously?


This relay offers two normally open (NO) and two normally closed (NC) auxiliary contacts for enhanced control capabilities.

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