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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 Isolator Switch -, IP20, 125A, 560 kW RS Stock No. 686-7290 Mfr. Part No. OT125F3 1SCA105033R1001 Subtotal (1 unit) £92.61(exc. VAT) £92.61/unit Quantity	ABB	-	3	Isolator Switch	-	DIN Rail	-	IP20	-	-	3	-	Black	-	-	-	OT	125A	Screw	-	40°C	-	690V ac	-	560kW	100mm	40°C	74mm	ATEX	REACH, RoHS, UL, VDE, ATEX, CE, CSA	70mm	-	-	-
In Stock Schneider Electric 3-Pole Surface Mount Isolator Switch -, IP65, 68.5A, 30 kW RS Stock No. 212-0299 Mfr. Part No. VCF5GEN Subtotal (1 unit) £259.53(exc. VAT) £259.53/unit Quantity	Schneider Electric	Auxiliary Contacts Available,Padlock Compatibility	3	Isolator Switch	-	Surface Mount	-	IP65	-	-	3	-	Red	-	-	-	TeSyS Vario	68.5A	Screw Clamp Terminal	-	-20°C	-	690V ac	-	30kW	100mm	50°C	191mm	No	IEC 60947-4-1, IEC 60204	291mm	-	-	-
In Stock Schneider Electric 2-Pole DIN Rail Isolator Switch -, IP20, 100A RS Stock No. 850-8580 Mfr. Part No. EZ9S16291 Subtotal (1 unit) £8.07(exc. VAT) £8.07/unit Quantity	Schneider Electric	-	2	Isolator Switch	-	DIN Rail	-	IP20	-	-	3	-	Red	-	-	-	Easy9	100A	Tunnel	-	-5°C	-	400V ac	-	-	81mm	55°C	66.5mm	No	RoHS, EU	36mm	-	-	-
In Stock Siemens 4-Pole Fixed Isolator Switch -, IP65, 16A, 7.5 kW RS Stock No. 218-3297 Mfr. Part No. 3LD2064-1TC53 Subtotal (1 unit) £58.61(exc. VAT) £58.61/unit Quantity	Siemens	-	4	Isolator Switch	-	Fixed	-	IP65	-	-	-	-	-	-	-	-	3LD	16A	Box	-	-25°C	-	-	-	7.5kW	-	55°C	117mm	NO	CCC, CE, CSA, EN, RoHS, UL, VDE	100mm	-	-	-
In Stock Eaton 1-Pole Surface Isolator Switch -, IP65, 20A, 5.5 kW RS Stock No. 629-2019 Mfr. Part No. 70020074 T0-1-8200/I1H/SVB/K-CI-K1/2(RS629-2019) Subtotal (1 box of 1 unit) £39.03(exc. VAT) £39.03/box Quantity	Eaton	Padlock Compatibility	1	Isolator Switch	-	Surface	-	IP65	-	-	1	-	Red	-	-	-	T0-1	20A	Screw	-	-25°C	-	400V ac	-	5.5kW	137mm	40°C	75mm	ATEX	IEC, EN, ATEX	80mm	-	-	-
In Stock Siemens 3-Pole DIN Rail Isolator Switch -, IP65, 22 kW RS Stock No. 269-8277 Mfr. Part No. 3LD3448-0TK53 Subtotal (1 unit) £54.50(exc. VAT) £54.50/unit Quantity	Siemens	-	3	Isolator Switch	-	DIN Rail	-	IP65	-	-	-	-	Yellow, Red	-	-	-	3LD34480TK53	-	-	-	-25°C	-	400V ac	-	22kW	-	55°C	-	No	CCC, UL, RoHS, EAC, CE	-	-	-	-
In Stock Eaton 3-Pole Panel Mount Isolator Switch -, IP65, 640A, 30 kW RS Stock No. 805-5651 Mfr. Part No. 172812 P3-63/M4/K2-PR/N Subtotal (1 unit) £177.73(exc. VAT) £177.73/unit Quantity	Eaton	-	3	Isolator Switch	-	Panel Mount	-	IP65	-	-	3	-	Red	-	-	-	P3-63	640A	Screw	-	-25°C	-	230V ac	60V dc	30kW	340mm	50°C	340mm	No	IEC, UL, CSA	100mm	-	-	-
In Stock Schneider Electric 3-Pole Panel Mount Isolator Switch -, IP65, 16A, 5.5 kW RS Stock No. 257-3538 Mfr. Part No. VCF01GE Subtotal (1 unit) £56.28(exc. VAT) £56.28/unit Quantity	Schneider Electric	Auxiliary Contacts Available,Padlock Compatibility	3	Isolator Switch	-	Panel Mount	-	IP65	-	-	3	-	Red	-	-	-	TeSyS Vario	16A	Screw	-	-20°C	-	690V ac	-	5.5kW	146mm	50°C	131mm	No	RoHS, REACH, IEC	90mm	-	-	-
In Stock Allen Bradley 3-Pole Panel Isolator Switch -, IP66, 63A, 22 kW RS Stock No. 261-7874 Mfr. Part No. 194E-A63-1753-6N Subtotal (1 unit) £51.79(exc. VAT) £51.79/unit Quantity	Allen Bradley	Padlock Compatibility	3	Isolator Switch	-	Panel	-	IP66	-	-	3	-	Yellow, Red, Grey, Black	-	-	-	194E	63A	Wire	-	-25°C	-	440V ac	-	22kW	80mm	60°C	73mm	No	UL, CSA, CE	54mm	-	-	-
In Stock Kraus & Naimer 4-Pole Surface Isolator Switch -, IP65, 40A, 15 kW RS Stock No. 381-3916 Mfr. Part No. KG41B.T204/GBA302.VE Subtotal (1 unit) £55.26(exc. VAT) £55.26/unit Quantity	Kraus & Naimer	Auxiliary Contacts Available	4	Isolator Switch	-	Surface	-	IP65	-	-	3	-	Red	-	-	-	KG	40A	Wire	-	55°C	-	240V ac	-	15kW	66mm	55°C	61mm	No	CCC, CSA, UR	64mm	-	-	-
In Stock Siemens 4-Pole DIN Rail Isolator Switch -, IP65, 32A, 11.5 kW RS Stock No. 218-3306 Mfr. Part No. 3LD3240-0TL11 Subtotal (1 unit) £31.76(exc. VAT) £31.76/unit Quantity	Siemens	Auxiliary Contacts Available	4	Isolator Switch	-	DIN Rail	-	IP65	-	-	-	-	-	-	-	-	3LD	32A	Box	-	-25°C	-	-	-	11.5kW	-	55°C	380mm	NO	EN, CE, CCC, RoHS, UL	49mm	-	-	-
In Stock Siemens 3-Pole Panel Mount Isolator Switch -, IP65, 32A, 12 kW RS Stock No. 518-7017 Mfr. Part No. 3LD2203-0TK51 Subtotal (1 unit) £33.99(exc. VAT) £33.99/unit Quantity	Siemens	-	3	Isolator Switch	-	Panel Mount	-	IP65	-	-	3	-	Black	-	-	-	3LD	32A	Screw	-	-25°C	-	690V ac	-	12kW	83mm	55°C	92.5mm	NO	CCC, CE, CSA, EAC, VDE, UL, UKCA, LRS	67mm	-	-	-
Temporarily out of stock Siemens 4-Pole Floor Non-Fused Switch Disconnector -, IP65, 32A, 11.5 kW RS Stock No. 239-2640 Mfr. Part No. 3LD2213-1TL53 Subtotal (1 unit) £61.71(exc. VAT) £61.71/unit Quantity	Siemens	-	4	Non-Fused Switch Disconnector	-	Floor	-	IP65	-	-	-	-	Red, Yellow	-	-	-	SENTRON 3LD	32A	Box Terminal	-	-25°C	-	400V ac	-	11.5kW	-	55°C	452mm	No	CCC	67mm	-	-	-
In Stock Schneider Electric 3-Pole DIN Rail Isolator Switch -, IP65, 20A, 11 kW RS Stock No. 188-4724 Mfr. Part No. VBDN20 Subtotal (1 unit) £35.81(exc. VAT) £35.81/unit Quantity	Schneider Electric	Auxiliary Contacts Available,Padlock Compatibility	3	Isolator Switch	-	DIN Rail	-	IP65	-	-	3	-	Black	-	-	-	TeSyS Vario	20A	Screw Clamp	-	-20°C	-	690V ac	-	11kW	60mm	50°C	60mm	No	RoHS	60mm	-	-	-
In Stock Eaton 4-Pole Flush Isolator Switch -, IP65 RS Stock No. 266-4828 Mfr. Part No. 048367 P1-25/EA/SVB/N/HI11 Subtotal (1 unit) £72.00(exc. VAT) £72.00/unit Quantity	Eaton	Auxiliary Contacts Available	4	Isolator Switch	-	Flush	-	IP65	-	-	-	-	Black	-	-	-	4836	-	Screw	-	-25°C	-	-	-	-	119mm	40°C	119mm	No	VDE 0660, IEC/EN 60947, IEC/EN 60204	83mm	-	-	-
In Stock ABB 2-Pole DIN Rail Isolator Switch -, IP20, 63A RS Stock No. 186-3493 Mfr. Part No. 2CDD282101R0063 Subtotal (1 unit) £29.52(exc. VAT) £29.52/unit Quantity	ABB	Auxiliary Contacts Available,Padlock Compatibility	2	Isolator Switch	-	DIN Rail	-	IP20	-	-	2	-	Grey	-	-	-	SD202	63A	Screw	-	-25°C	-	462V ac	131V dc	-	69mm	55°C	88mm	NO	CE, RoHS	35mm	-	-	-
In Stock Eaton 3-Pole Rear Panel Isolator Switch -, IP65 RS Stock No. 266-4848 Mfr. Part No. 057708 P1-25/Z Subtotal (1 unit) £36.02(exc. VAT) £36.02/unit Quantity	Eaton	Auxiliary Contacts Available	3	Isolator Switch	-	Rear Panel	-	IP65	-	-	-	-	Black	-	-	-	5770	-	Screw	-	-25°C	-	-	-	-	131mm	50°C	131mm	No	CE, CSA-C22.2 No. 60947-4-1-14, CSA-C22.2 No. 94, CSA Class No.: 3211-05, IEC/EN 60204, IEC/EN 60947-3, UL, VDE 0660, UL 60947-4-1	49mm	-	-	-
In Stock Allen Bradley 6-Pole Panel Isolator Switch -, IP66, 32A, 15 kW RS Stock No. 261-8445 Mfr. Part No. 194E-Y32-1756-6N Subtotal (1 unit) £105.25(exc. VAT) £105.25/unit Quantity	Allen Bradley	Padlock Compatibility	6	Isolator Switch	-	Panel	-	IP66	-	-	3	-	Yellow, Black, Grey, Red	-	-	-	194E	32A	Wire	-	-25°C	-	440V ac	-	15kW	180mm	60°C	105mm	NO	UL, CSA, CE	125mm	-	-	-
In Stock Eaton 3-Pole Panel Mount Isolator Switch -, IP65, 32A, 15 kW RS Stock No. 818-435 Mfr. Part No. 081438 P1-32/EA/SVB Subtotal (1 unit) £59.62(exc. VAT) £59.62/unit Quantity	Eaton	Auxiliary Contacts Available,Padlock Compatibility	3	Isolator Switch	-	Panel Mount	-	IP65	-	-	3	-	Red	-	-	-	P1-32	32A	Screw	-	-25°C	-	440V ac	-	15kW	5.5in	50°C	3in	No	CSA, IEC, RoHS, UL	3.3in	-	-	-
In Stock Eaton 2-Pole Surface Isolator Switch -, IP65, 100A, 6.5 kW RS Stock No. 330-7691 Mfr. Part No. 207102 T0-2-8211/I1 Subtotal (1 unit) £37.05(exc. VAT) £37.05/unit Quantity	Eaton	-	2	Isolator Switch	-	Surface	-	IP65	-	-	1	-	Black	-	-	-	T0-2	100A	Screw	-	-25°C	-	230V ac	60V dc	6.5kW	137mm	40°C	102mm	NO	CSA, IEC, UL	80mm	-	-	-