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Siemens Auxiliary Contact 4 Contact 3 NO/1 NC Snap-On Terminal Screw 10 A 250 V dc 690 V ac 3RH2911-1HA31
Specifications
| Country of Origin | Czech Republic |
|---|---|
| Brand | Siemens |
| Model | 3RH2911-1HA31 |
| Mount Type | Snap-On |
| Series | 3RH2 |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -25°C |
| Terminal type | Screw |
| Mounting Location | Front Side |
| Pay online using | Or choose to pay later via bank transfer |
| RS Stock No. | 706-0936Brand: SiemensManufacturers Part No.: 3RH2911-1HA31Distrelec Article No.: 30057512 |
| Number of Contacts | 4 |
| Contact Voltage | 250, 690V dc |
| Normal State Configuration | 3 NO/1 NC |
| Contact Current | 10A |
| Operational Current Ie | 10A |
| Pole and Throw Configuration | 4PST |
| Mechanical Durability | 10Mcycles |
| Rated Insulation Voltage Ui | 690V |
Key Features
- Configured with 3 normally open and 1 normally closed contacts for versatile control.
- Rated operational and insulation voltages support up to 690 V ac and 250 V dc.
- Designed for mechanical durability with 10 million cycles ensuring long lifetime.
- Snap-on mount type with screw terminals for quick and secure installation.
- Operates reliably in temperatures ranging from -25°C to +60°C.
- Compact size fits seamlessly within control cabinets.
- Front side mounting location for easy integration with 3RT2 series contactors.
- Contact current capacity rated at 10 A for standard industrial demands.
Product Description
Siemens 3RH2911-1HA31 Auxiliary Contact is engineered for precise and reliable control signaling in industrial automation systems. Featuring a 4-contact configuration with 3 normally open and 1 normally closed contacts, it mirrors the operation of contactors to enhance switching capability.
This auxiliary contact supports operational voltages up to 250 V dc and 690 V ac, accommodating robust industrial electrical environments while ensuring safe and efficient switching.
The device boasts a mechanical durability rating of 10 million cycles, validated through lifetime testing, resulting in high reliability for frequent switching operations. Its snap-on mounting type and screw terminal design allow for quick attachment to the front of 3RT2 series contactors, minimizing installation time and errors.
Engineered for tough environments, the auxiliary contact performs safely across a wide temperature range from -25°C to +60°C. Its compact dimensions (37.5 mm height, 36 mm width, and 43.7 mm depth) facilitate efficient space utilization in control panels.
This auxiliary contact plays a vital role in automation applications including motor starter protection, overload relays, and surge suppression modules, contributing to the safe and continuous operation of industrial equipment.
Configured with 3 NO and 1 NC contacts for versatile signaling. Rated insulation voltage of 690 V for safety compliance. Screw terminals ensure secure and lasting electrical connections. Snap-on mounting supports easy installation and replacement.
High mechanical durability with 10 million operating cycles. Wide operating temperature range for harsh conditions. Compact size optimizes cabinet space. Operates at 10 A contact current for standard industrial loads.
This Auxiliary Contact is a dependable component in industrial automation, ideal for integration with Siemens SIRIUS Innovation series contactors and other electrical control gear within electrical, manufacturing, and HVAC systems.
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Frequently Asked Questions
This auxiliary contact supports operational voltages up to 690 V ac and 250 V dc.
It features a configuration of 3 normally open (NO) contacts and 1 normally closed (NC) contact.
The contact current capacity is rated at 10 A, suitable for standard industrial demands.
It operates reliably in temperatures ranging from -25°C to +60°C.
It is designed for snap-on mounting with screw terminals for quick and secure installation.
It has a mechanical durability rating of 10 million cycles, ensuring reliability for frequent switching operations.
The dimensions are 37.5 mm in height, 36 mm in width, and 43.7 mm in depth.
It is designed for integration with the Siemens 3RT2 series contactors.
It features screw terminals, ensuring secure and lasting electrical connections.
The rated insulation voltage is 690 V, providing safety compliance for industrial applications.
The country of origin for this auxiliary contact is the Czech Republic.
It is suitable for applications such as motor starter protection, overload relays, and surge suppression modules in industrial automation systems.
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