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Isolator Switches

Isolator switches are electrical devices used to disconnect electrical circuits from their power source. They provide a means of isolating circuits or equipment for maintenance, repair, or safety purposes. Isolator switches are designed to interrupt the flow of electrical current and provide a physical barrier to prevent accidental contact with live electrical parts. They are commonly used in industrial, commercial, and residential settings to ensure the safety of personnel and equipment during maintenance or emergency situations.

Benefits of Isolator Switches

Safety: The primary advantage of isolator switches is enhancing safety. They provide a clear and reliable means of disconnecting power to equipment or circuits, reducing the risk of electric shock or accidents during maintenance or repairs.
Maintenance: Isolator switches allow equipment or circuits to be safely de-energized for maintenance or servicing. This ensures that technicians can work on the equipment without the risk of electric shock or damage.
Emergency Response: In the event of an emergency, isolator switches can quickly and easily disconnect power, preventing further damage or hazards.
Energy Management: Isolator switches can be used to control the energy supply to specific areas or equipment.
Fault Identification: Isolator switches often include indicators or visible disconnects, allowing for easy identification of whether a circuit or equipment is energized or de-energized.
Compliance: Isolator switches are frequently required by electrical safety codes and regulations to ensure proper safety measures are in place.

Single or 3-Phase Isolator switch?

Isolator switches are available in both single-phase and three-phase configurations, depending on the specific application and electrical system requirements.

Single-Phase Isolator Switches: These switches are designed for single-phase electrical systems, where power is supplied by a single line and a neutral conductor. They are commonly used in residential and small commercial applications where the electrical load is relatively low.

Three-Phase Isolator Switches: These switches are designed for three-phase electrical systems, where power is supplied by three separate lines and a neutral conductor. Three-phase systems are commonly used in industrial, commercial, and larger residential applications due to their higher power requirements.

Explore Our Range at RS

At RS, we offer a comprehensive range of isolator switches and accessories from leading brands such as ABB, Eaton, Siemens, and Schneider Electric. Browse products from Schneider Electric and many more.

We also provide Better World options – products designed to improve sustainability without compromising performance. Plus, enjoy Next Day Delivery on thousands of items to keep your projects moving.

Looking for specific solutions? Explore our Double Pole Isolator Switches for enhanced safety in residential and commercial applications.

To learn more about isolators and their applications, check out our expert-reviewed Isolators Guide.

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In Stock ABB 3-Pole DIN Rail Non-Fused Isolator Switch -, IP20, 40A, 560 kW RS Stock No. 686-7266 Mfr. Part No. OT40F3 1SCA104902R1001 Subtotal (1 unit) £25.11(exc. VAT) £25.11/unit Quantity	ABB	-	3	Non-Fused Isolator Switch	-	DIN Rail	-	IP20	-	-	3	-	Red	-	-	-	OT40F3	40A	Screw	-	40°C	-	600V ac	1000V dc	560kW	68mm	40°C	56mm	No	UL, IEC	35mm	-	-	-
In Stock Kraus & Naimer 4-Pole Panel Mount Isolator Switch -, IP65, 32A, 5.5 W RS Stock No. 282-1578 Mfr. Part No. KG32B.T204/GBA007.E Subtotal (1 unit) £40.64(exc. VAT) £40.64/unit Quantity	Kraus & Naimer	-	4	Isolator Switch	-	Panel Mount	-	IP65	-	-	3	-	Red	-	-	-	KG	32A	Wire	-	55°C	-	240V ac	-	5.5W	58mm	55°C	233mm	No	CCC, CSA, UR	64mm	-	-	-
In Stock Socomec 3-Pole DIN Rail Isolator Switch -, IP20, 63A, 30 kW RS Stock No. 781-3670 Mfr. Part No. 2200 3006 Subtotal (1 unit) £45.85(exc. VAT) £45.85/unit Quantity	Socomec	Auxiliary Contacts Available	3	Isolator Switch	-	DIN Rail	-	IP20	-	-	3	-	Red, Blue	-	-	-	Sirco M	63A	Screw	-	-25°C	-	415V ac	-	30kW	76mm	70°C	64mm	NO	IS, IEC, EN	52.5mm	-	-	-
In Stock Schneider Electric 3-Pole Panel Mount Isolator Switch -, IP65, IP20, 32A, 15 kW RS Stock No. 279-6157 Mfr. Part No. VCF1 Subtotal (1 unit) £57.56(exc. VAT) £57.56/unit Quantity	Schneider Electric	Padlock Compatibility	3	Isolator Switch	-	Panel Mount	-	IP65, IP20	-	-	3	-	Red	-	-	-	TeSyS Vario	32A	Screw	-	-20°C	-	690V ac	-	15kW	74mm	50°C	60mm	No	EU, RoHS	60mm	-	-	-
In Stock ABB 3-Pole DIN Rail Isolator Switch -, IP20, 80A, 560 kW RS Stock No. 686-7281 Mfr. Part No. OT80F3 1SCA105798R1001 Subtotal (1 unit) £38.31(exc. VAT) £38.31/unit Quantity	ABB	-	3	Isolator Switch	-	DIN Rail	-	IP20	-	-	3	-	Black	-	-	-	OT	80A	Screw	-	40°C	-	690V ac	1000V dc	560kW	92mm	40°C	73mm	ATEX	UL, VDE, RoHS, REACH, CSA, CE, ATEX	53mm	-	-	-
In Stock ABB 3-Pole DIN Rail Non-Fused Isolator Switch -, IP20, 25A, 560 kW RS Stock No. 686-7269 Mfr. Part No. OT25F3 1SCA104857R1001 Subtotal (1 unit) £22.11(exc. VAT) £22.11/unit Quantity	ABB	-	3	Non-Fused Isolator Switch	-	DIN Rail	-	IP20	-	-	3	-	Red	-	-	-	OT25F3	25A	Screw	-	40°C	-	600V ac	1000V dc	560kW	68mm	40°C	56mm	NO	IEC, UL	35mm	-	-	-
In Stock Eaton 3-Pole Surface Mount Non-Fused Switch Disconnector -, IP65, 20A, 5.5 kW RS Stock No. 220-7522 Mfr. Part No. 207147 T0-2-1/I1/SVB Subtotal (1 unit) £40.73(exc. VAT) £40.73/unit Quantity	Eaton	Auxiliary Contacts Available,Padlock Compatibility	3	Non-Fused Switch Disconnector	-	Surface Mount	-	IP65	-	-	3	-	Black	-	-	-	T0-2	20A	Screw	-	-25°C	-	690V ac	60V dc	5.5kW	137mm	40°C	120mm	NO	IEC/EN 60947, VDE 0660, IEC/EN 60204	80mm	-	-	-
In Stock Allen Bradley 3-Pole Front, Base Isolator Switch -, IP66, 16A, 7.5 kW RS Stock No. 443-0736 Mfr. Part No. 194E-Y16M-1753-4N Subtotal (1 unit) £32.21(exc. VAT) £32.21/unit Quantity	Allen Bradley	-	3	Isolator Switch	-	Front, Base	-	IP66	-	-	3	-	Red, Grey, Black, Yellow	-	-	-	194E	16A	Wire	-	-25°C	-	690V ac	-	7.5kW	120mm	60°C	70mm	NO	UL, IEC, CSA, CE	70mm	-	-	-
In Stock Schneider Electric 3-Pole Panel Mount Isolator Switch -, IP20, IP65, 25A RS Stock No. 257-3617 Mfr. Part No. VCCF0 Subtotal (1 unit) £70.35(exc. VAT) £70.35/unit Quantity	Schneider Electric	Padlock Compatibility	3	Isolator Switch	-	Panel Mount	-	IP20, IP65	-	-	3	-	Red	-	-	-	TeSyS Vario	25A	Screw	-	-20°C	-	690V ac	-	-	83mm	50°C	-	No	EU, RoHS	60mm	-	-	-
In Stock ABB 2-Pole Isolator Switch -, IP65, 16A, 0.15 W RS Stock No. 259-9840 Mfr. Part No. 1SCA125126R1001 Subtotal (1 unit) £68.35(exc. VAT) £68.35/unit Quantity	ABB	Auxiliary Contacts Available,Padlock Compatibility	2	Isolator Switch	-	-	-	IP65	-	-	-	-	Yellow, Red	-	-	-	1SCA12	16A	Screw Clamp	-	-	-	690V ac	1000V dc	0.15W	95mm	-	95mm	NO	IEC 60947-1-3	150mm	-	-	-
In Stock Schneider Electric 3-Pole Panel Mount Isolator Switch -, IP20, IP65, 8.1A, 7.5 kW RS Stock No. 609-4269 Mfr. Part No. VCD02 Subtotal (1 unit) £38.38(exc. VAT) £38.38/unit Quantity	Schneider Electric	Padlock Compatibility	3	Isolator Switch	-	Panel Mount	-	IP20, IP65	-	-	3	-	Red	-	-	-	TeSyS Vario	8.1A	Screw	-	-20°C	-	690V ac	-	7.5kW	60mm	50°C	74mm	No	UL, CCC, CSA, GL, IEC, REACH, RoHS, UKCA	74mm	-	-	-
In Stock RS Better World Schneider Electric 2-Pole DIN Rail Isolator Switch -, IP40, 20A RS Stock No. 790-7434 Mfr. Part No. A9S60220 Subtotal (1 unit) £20.57(exc. VAT) £20.57/unit Quantity	Schneider Electric	Auxiliary Contacts Available	2	Isolator Switch	-	DIN Rail	-	IP40	-	-	-	-	Grey	-	-	-	Acti9 Control	20A	Screw	-	-20°C	-	415V ac	-	-	18mm	50°C	70mm	No	EN, RoHS, IEC	77mm	-	Yes	Byggvarubedömningen
In Stock Schneider Electric 3-Pole Panel Mount Isolator Switch -, IP20, IP65, 63A RS Stock No. 257-3651 Mfr. Part No. VCCF3 Subtotal (1 unit) £110.00(exc. VAT) £110.00/unit Quantity	Schneider Electric	Padlock Compatibility	3	Isolator Switch	-	Panel Mount	-	IP20, IP65	-	-	3	-	Red	-	-	-	TeSyS Vario	63A	Screw	-	-20°C	-	690V ac	-	-	83mm	50°C	60mm	No	EU, RoHS	60mm	-	-	-
In Stock Schneider Electric 3-Pole Panel Mount Isolator Switch -, IP65, 21.8A, 15 kW RS Stock No. 433-7609 Mfr. Part No. VBD1 Subtotal (1 unit) £56.28(exc. VAT) £56.28/unit Quantity	Schneider Electric	Padlock Compatibility	3	Isolator Switch	-	Panel Mount	-	IP65	-	-	3	-	Black	-	-	-	TeSys VARIO	21.8A	Screw	-	-20°C	-	690V ac	-	15kW	74mm	50°C	60mm	No	IEC, REACH, CCC, CSA, RoHS, UKCA, UL, GL	60mm	-	-	-
In Stock Kraus & Naimer 3-Pole Surface Isolator Switch -, IP65, 25A, 7.5 kW RS Stock No. 381-3821 Mfr. Part No. KG20B.T203/GBA282.VE Subtotal (1 unit) £41.40(exc. VAT) £41.40/unit Quantity	Kraus & Naimer	Auxiliary Contacts Available	3	Isolator Switch	-	Surface	-	IP65	-	-	3	-	Red	-	-	-	KG	25A	Wire	-	55°C	-	240V ac	-	7.5kW	42mm	55°C	50mm	NO	UR, CSA, CCC	54mm	-	-	-
In Stock Siemens 4-Pole DIN Rail Isolator Switch -, IP65, 63A, 22 kW RS Stock No. 212-5821 Mfr. Part No. 3LD3440-0TL11 Subtotal (1 unit) £59.31(exc. VAT) £59.31/unit Quantity	Siemens	Auxiliary Contacts Available	4	Isolator Switch	-	DIN Rail	-	IP65	-	-	-	-	-	-	-	-	3LD	63A	Box	-	-25°C	-	-	-	22kW	-	55°C	380mm	NO	CE, EN, RoHS, UL, CCC	49mm	-	-	-
In Stock Eaton 3-Pole Surface Mount Isolator Switch -, IP65, 20A, 5.5 kW RS Stock No. 773-0650 Mfr. Part No. 207148 T0-2-1/I1/SVB-SW Subtotal (1 unit) £40.73(exc. VAT) £40.73/unit Quantity	Eaton	Padlock Compatibility	3	Isolator Switch	-	Surface Mount	-	IP65	-	-	3	-	Black	-	-	-	T0-1	20A	Screw	-	-25°C	-	400V ac	60V dc	5.5kW	120mm	40°C	75mm	ATEX	VDE, ATEX, CSA, EN, IEC, UL	80mm	-	-	-
In Stock Kraus & Naimer 3-Pole Surface Isolator Switch -, IP65, 20A, 5.5 kW RS Stock No. 311-5571 Mfr. Part No. KG10A.T103/GBA010.FT2 Subtotal (1 unit) £19.91(exc. VAT) £19.91/unit Quantity	Kraus & Naimer	-	3	Isolator Switch	-	Surface	-	IP65	-	-	3	-	Black, Silver	-	-	-	KG10	20A	Wire	-	55°C	-	-	-	5.5kW	64mm	55°C	4mm	NO	No	48mm	-	-	-
In Stock Kraus & Naimer 3-Pole Surface Isolator Switch -, IP65, 40A, 15 kW RS Stock No. 381-3843 Mfr. Part No. KG41B.T203/GBA282.VE Subtotal (1 unit) £51.56(exc. VAT) £51.56/unit Quantity	Kraus & Naimer	Auxiliary Contacts Available	3	Isolator Switch	-	Surface	-	IP65	-	-	3	-	Red	-	-	-	KG	40A	Wire	-	55°C	-	240V ac	-	15kW	50mm	55°C	61mm	No	CCC, CSA, UR	64mm	-	-	-
In Stock Kraus & Naimer 4-Pole Panel Mount Isolator Switch -, IP65, 20A RS Stock No. 342-2330 Mfr. Part No. KG10B.T204/GBA281.E Subtotal (1 unit) £30.56(exc. VAT) £30.56/unit Quantity	Kraus & Naimer	-	4	Isolator Switch	-	Panel Mount	-	IP65	-	-	3	-	Red	-	-	-	KG10	20A	Wire	-	55°C	-	-	-	-	64mm	55°C	232.2mm	NO	No	64mm	-	-	-