Schneider Electric 31105 switch disconnector INS250 4-pole 160 A 690 V AC/DC lever black content_copy

The ComPacT INS isolator switch from the ComPacT series by Schneider Electric, type 31105, is a 4-pole switch designed for use in industrial and commercial electrical installations. It is intended for the safe disconnection of electrical circuits and is designed for insulation function in accordance with standards IEC 60947-1 and IEC 60947-3. The mechanical design ensures that the position of the front rotary handle always reflects the actual position of the main switch. The disconnection position corresponds to position O (OFF), and the drive is not capable of indicating the OFF position when the switch is open. Locking in the OFF position is also not possible when the switch is open. Supported usage categories include AC21A, AC22A, and AC23A, enabling use in various applications.

Applications
This switch is designed for use in electrical installations with operating voltages up to 690 V AC and 250 V DC. It is suitable for applications requiring safe and visible disconnection of power supply, such as machine controls, drive technology, or maintenance of electrical equipment. The rated insulation voltage is 800 V AC, ensuring high safety at high voltages. The maximum power varies depending on voltage, reaching up to 110 kW at 500/525 V AC or 90 kW at 660/690 V AC.

Functions and Equipment in Detail
The switch features a direct front rotary handle in black, enabling simple and secure operation. The contact position indicator shows the current position of the switch. The rated short-circuit making capacity is 30 kA at 690 V AC, and 330 kA can be achieved when a preceding power circuit breaker is present. The rated short-time withstand current is defined according to IEC 60947-3 and includes values such as 8.5 kA for 1 second. The mechanical life is 15,000 cycles, while the electrical life is 1,500 cycles for various load categories.

Technology Explained Simply
The switch is designed for fixed installation and can be mounted either on a rail or on a plate. The connection pitch is 35 mm, enabling standard installation in enclosures. Connections are located on the front side, ensuring a compact and clear installation. The protection rating IP40 protects against finger contact and ingress of solid foreign objects larger than 1 mm, while the protection rating IK07 provides protection against mechanical impacts such as shocks or vibrations. The operating ambient temperature ranges from -25 °C to +70 °C, and the storage temperature ranges from -50 °C to +85 °C.

Compatibility and Accessories
Various accessories are available for this isolator switch, extending its functionality. These include mechanical interlocks (e.g. 31073), terminal covers (e.g. LV429516), auxiliary switches (e.g. 29450), and extended rotary handles (e.g. LV431050). These components allow adaptation to specific requirements such as additional safety functions, improved accessibility, or integration into control systems.

Mounting and Installation
Mounting is fixed onto a rail or plate. Dimensions are 140 mm width, 136 mm height, and 96 mm depth. Installation must be carried out by qualified personnel, observing safety regulations such as disconnecting the power supply, locking the switch in the disconnection position, and using voltage detectors to verify the absence of voltage.

Advantages in Operation
The switch offers high reliability due to its long mechanical and electrical life. The clear indication of contact position and mechanical interlocking of positions increase safety. Compatibility with various accessories allows flexible adaptation to different requirements. Compliance with standards IEC 60947-1 and -3, as well as certifications KEMA-KEUR and CCC, guarantee the quality and safety of the product.

Complementary
Control type	Direct front rotary handle
Handle colour	Black
Mounting mode	Fixed
Mounting support	Rail; Plate
Upside connection	Front
Downside connection	Front
Maximum power	AC-23: 110 kW at 500/525 V AC 50/60 Hz; AC-23: 45 kW at 220/240 V AC 50/60 Hz; AC-23: 45 kW at 230 V AC 50/60 Hz (NEMA); AC-23: 75 kW at 380/415 V AC 50/60 Hz; AC-23: 90 kW at 440 V AC 50/60 Hz; AC-23: 90 kW at 480 V AC 50/60 Hz (NEMA); AC-23: 90 kW at 660/690 V AC 50/60 Hz
Rated duty	Uninterrupted
[Icw] rated short-time withstand current	1.8 kA during 30 s conforming to IEC 60947-3; 2.2 kA during 20 s conforming to IEC 60947-3; 4.9 kA during 3 s conforming to IEC 60947-3; 8.5 kA during 1 s conforming to IEC 60947-3
Mechanical durability	15000 cycles
Electrical durability	AC-22A: 1500 cycles 440 V AC 50/60 Hz; AC-22A: 1500 cycles 500 V AC 50/60 Hz; AC-22A: 1500 cycles 690 V AC 50/60 Hz; AC-23A: 1500 cycles 440 V AC 50/60 Hz; AC-23A: 1500 cycles 500 V AC 50/60 Hz; AC-23A: 1500 cycles 690 V AC 50/60 Hz; DC-22A: 1500 cycles 250 V DC 4 poles in series; DC-23A: 1500 cycles 250 V DC 4 poles in series
Connection pitch	35 mm
Height	136 mm
Width	140 mm
Depth	96 mm
Net weight	2.2 kg
Contractual warranty
Warranty (in months)	18
Environment
Standards	IEC 60947-3; IEC 60947-1
Product certifications	KEMA-KEUR; CCC
IP degree of protection	IP40 conforming to IEC 60529
IK degree of protection	IK07 conforming to EN 50102
Ambient air temperature for operation	-25…70 °C
Ambient air temperature for storage	-50…85 °C
Logistical informations
Country of origin	PL
Main
Range	ComPact
Product or component type	Switch disconnector
Product name	ComPacT INS
Poles description	4P
Network type	AC; DC
Network frequency	50/60 Hz
[Ui] rated insulation voltage	800 V AC 50/60 Hz
[Ith] conventional free air thermal current	160 A at 60 °C
[Icm] rated short-circuit making capacity	30 kA switch-disconnector alone 690 V AC at 50/60 Hz; 330 kA with upstream protection circuit breaker 690 V AC at 50/60 Hz
[Ue] rated operational voltage	250 V DC; 690 V AC 50/60 Hz
Pollution degree	3
Suitability for isolation
Contact position indicator
Visible break
Packing Units
Unit Type of Package 1	PCE
Number of Units in Package 1	1
Package 1 Height	16.900 cm
Package 1 Width	13.800 cm
Package 1 Length	16.000 cm
Package 1 Weight	2.404 kg
Unit Type of Package 2	S04
Number of Units in Package 2	9
Package 2 Height	30.000 cm
Package 2 Width	40.000 cm
Package 2 Length	60.000 cm
Package 2 Weight	22.573 kg

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