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MK Electric White, 1 Way 2 Pole, 3 Pole, 3 Pole Isolator, 1 Gang, K48

MK Electric White, 1 Way 2 Pole, 3 Pole, 3 Pole Isolator, 1 Gang, K48

RS Stock No. 787-1228

Brand MK Electric

  • Brand: MK Electric
  • Category: Light Switches
  • Section: Switches

€ 4.27

72 in stock now

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Craig & Derricott 3-Pole Isolator Switch -

Craig & Derricott 3-Pole Isolator Switch -

RS Stock No. 254-8899

Brand Craig & Derricott

  • Brand: Craig & Derricott
  • Section: Switches
  • Super Section: Switch Disconnectors & Components

€ 1.543.65

2 in stock now

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Craig & Derricott 3-Pole Isolator Switch -

Craig & Derricott 3-Pole Isolator Switch -

RS Stock No. 254-8926

Brand Craig & Derricott

  • Brand: Craig & Derricott
  • Section: Switches
  • Super Section: Switch Disconnectors & Components

€ 119.23

1 in stock now

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Craig & Derricott 3-Pole Isolator Switch -

Craig & Derricott 3-Pole Isolator Switch -

RS Stock No. 254-8931

Brand Craig & Derricott

  • Category: Isolator Switches
  • Section: Switches
  • Super Section: Switch Disconnectors & Components

€ 114.21

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Craig & Derricott 3-Pole Isolator Switch -

Craig & Derricott 3-Pole Isolator Switch -

RS Stock No. 254-8953

Brand Craig & Derricott

  • Brand: Craig & Derricott
  • Category: Isolator Switches
  • Super Section: Switch Disconnectors & Components

€ 189.51

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Schneider Electric 3-Pole Isolator Switch -

Schneider Electric 3-Pole Isolator Switch -

RS Stock No. 813-9594

Brand Schneider Electric

  • Brand: Schneider Electric
  • Category: Isolator Switches
  • Super Section: Switch Disconnectors & Components

€ 422.94

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Craig & Derricott 3-Pole Isolator Switch -

Craig & Derricott 3-Pole Isolator Switch -

RS Stock No. 254-8878

Brand Craig & Derricott

  • Brand: Craig & Derricott
  • Section: Switches
  • Super Section: Switch Disconnectors & Components

€ 640.05

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Craig & Derricott 3-Pole Isolator Switch -

Craig & Derricott 3-Pole Isolator Switch -

RS Stock No. 254-8915

Brand Craig & Derricott

  • Category: Isolator Switches
  • Section: Switches
  • Super Section: Switch Disconnectors & Components

€ 545.93

4 in stock now

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Craig & Derricott 3-Pole Isolator Switch -

Craig & Derricott 3-Pole Isolator Switch -

RS Stock No. 254-8938

Brand Craig & Derricott

  • Brand: Craig & Derricott
  • Section: Switches
  • Super Section: Switch Disconnectors & Components

€ 126.76

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Craig & Derricott 3-Pole Isolator Switch -, IP66

Craig & Derricott 3-Pole Isolator Switch -, IP66

RS Stock No. 254-8897

Brand Craig & Derricott

  • Brand: Craig & Derricott
  • Category: Isolator Switches
  • Section: Switches

€ 89.73

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Schneider Electric 3-Pole Isolator Switch -

Schneider Electric 3-Pole Isolator Switch -

RS Stock No. 247-1810

Brand Schneider Electric

  • Brand: Schneider Electric
  • Category: Isolator Switches
  • Section: Switches

€ 6.940.15

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Craig & Derricott 3-Pole Isolator Switch -, IP66

Craig & Derricott 3-Pole Isolator Switch -, IP66

RS Stock No. 254-8864

Brand Craig & Derricott

  • Brand: Craig & Derricott
  • Category: Isolator Switches
  • Section: Switches

€ 146.84

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Craig & Derricott 3-Pole Isolator Switch -, IP66

Craig & Derricott 3-Pole Isolator Switch -, IP66

RS Stock No. 254-8869

Brand Craig & Derricott

  • Category: Isolator Switches
  • Section: Switches
  • Super Section: Switch Disconnectors & Components

€ 84.71

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Craig & Derricott 3-Pole Isolator Switch -, IP66

Craig & Derricott 3-Pole Isolator Switch -, IP66

RS Stock No. 254-8874

Brand Craig & Derricott

  • Brand: Craig & Derricott
  • Category: Isolator Switches
  • Super Section: Switch Disconnectors & Components

€ 154.37

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Schneider Electric 3-Pole Isolator Switch -

Schneider Electric 3-Pole Isolator Switch -

RS Stock No. 247-1884

Brand Schneider Electric

  • Category: Isolator Switches
  • Section: Switches
  • Super Section: Switch Disconnectors & Components

€ 9.864.30

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Craig & Derricott 3-Pole Isolator Switch -, IP65

Craig & Derricott 3-Pole Isolator Switch -, IP65

RS Stock No. 254-8882

Brand Craig & Derricott

  • Brand: Craig & Derricott
  • Category: Isolator Switches
  • Section: Switches

€ 473.14

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Craig & Derricott 3-Pole Isolator Switch -, IP65

Craig & Derricott 3-Pole Isolator Switch -, IP65

RS Stock No. 254-8884

Brand Craig & Derricott

  • Brand: Craig & Derricott
  • Category: Isolator Switches
  • Section: Switches

€ 853.40

2 in stock now

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Craig & Derricott 3-Pole Isolator Switch -, IP65

Craig & Derricott 3-Pole Isolator Switch -, IP65

RS Stock No. 254-8886

Brand Craig & Derricott

  • Brand: Craig & Derricott
  • Section: Switches
  • Super Section: Switch Disconnectors & Components

€ 903.60

2 in stock now

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Craig & Derricott 3-Pole Isolator Switch -, IP66

Craig & Derricott 3-Pole Isolator Switch -, IP66

RS Stock No. 254-8902

Brand Craig & Derricott

  • Brand: Craig & Derricott
  • Section: Switches
  • Super Section: Switch Disconnectors & Components

€ 91.62

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Socomec 3-Pole Isolator Switch -, IP65, 20 W

Socomec 3-Pole Isolator Switch -, IP65, 20 W

RS Stock No. 224-2347

Brand Socomec

  • Brand: Socomec
  • Category: Isolator Switches
  • Super Section: Switch Disconnectors & Components

€ 123.62

1 in stock now

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Socomec 3-Pole Isolator Switch -, IP65, 37 W

Socomec 3-Pole Isolator Switch -, IP65, 37 W

RS Stock No. 224-2349

Brand Socomec

  • Brand: Socomec
  • Category: Isolator Switches
  • Super Section: Switch Disconnectors & Components

€ 309.99

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Craig & Derricott 3-Pole Isolator Switch -, IP65, 40A

Craig & Derricott 3-Pole Isolator Switch -, IP65, 40A

RS Stock No. 254-8945

Brand Craig & Derricott

  • Category: Isolator Switches
  • Section: Switches
  • Super Section: Switch Disconnectors & Components

€ 209.59

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Socomec 3-Pole Isolator Switch -, IP65, 22 W

Socomec 3-Pole Isolator Switch -, IP65, 22 W

RS Stock No. 224-2343

Brand Socomec

  • Brand: Socomec
  • Category: Isolator Switches
  • Super Section: Switch Disconnectors & Components

€ 178.21

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Socomec 3-Pole Isolator Switch -, IP65, 22 W

Socomec 3-Pole Isolator Switch -, IP65, 22 W

RS Stock No. 224-2348

Brand Socomec

  • Brand: Socomec
  • Category: Isolator Switches
  • Section: Switches

€ 173.19

1 in stock now

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...

What is a 3 pole isolator?
A 3 pole isolator is a electrical switch designed to securely isolate three separate conductors in a three‑phase system. It provides three independent poles (typically labelled L1, L2, and L3) that can be opened or closed together to disconnect or connect a three‑phase circuit. Used in electrical panels, motor control centers, and distribution boards, a 3 pole isolator is essential for safe maintenance and error‑free troubleshooting in industrial and commercial installations.
  • Three poles for a balanced three‑phase supply
  • Deliberate, positive isolation to meet safety standards
  • Commonly employed as a switch disconnect or isolator switch in control gear
Keywords: 3 pole isolator, three pole isolator, 3P isolator, 3-pole switch, three-phase isolator, isolation switch, disconnect switch.

Where is a 3 pole isolator used?
A 3 pole isolator is used wherever a three‑phase circuit needs safe, deliberate disconnection for maintenance or emergency shutdown. Typical applications include motor control circuits, HVAC and building automation, power distribution panels, and industrial automation systems. In both panel‑mounted and enclosure‑mounted configurations, a 3P isolator provides reliable isolation for each phase (L1, L2, L3) and helps comply with electrical safety regulations in both industrial and commercial environments.
  • Three‑phase motors and pumps
  • Distribution boards in factories and workshops
  • Control panels and MCCs (motor control centers)
  • Emergency stop and lockout scenarios
Related terms: three-phase isolation switch, 3P disconnect, 3‑pole switch disconnect, isolator switch with three poles.

How is a 3 pole isolator rated?
Ratings for a 3 pole isolator specify the maximum voltage, current, and breaking capacity the device can safely handle. Common ratings include voltages such as 230/400 V AC or 600 V AC and currents from several amperes up to hundreds of amperes. The breaking capacity indicates how much fault current the isolator can interrupt safely. When selecting a 3 pole isolator, also check the duty cycle, the contact material, and the mechanical life rating. Standards such as IEC/EN 60947‑3 define the performance requirements for AC disconnectors, while IP ratings indicate environmental protection.
  • Voltage rating (AC) e.g., 230/400 V or 600 V
  • Current rating (A) and short‑circuit breaking capacity
  • Mechanical life and duty cycle (number of operations)
  • Standards: IEC/EN 60947‑3, UL if applicable
  • IP rating for enclosure protection
Keywords: 3 pole isolator rating, 3P isolator rating, three-phase isolator rating, AC disconnect rating.

How does a 3 pole isolator differ from a 4 pole isolator or a simple switch?
The primary difference lies in the number of poles and the scope of circuit disconnection. A 3 pole isolator disconnects three conductors (three phases) while a 4 pole isolator adds a fourth pole, often used when a neutral conductor needs to be isolated in a three‑phase system with a neutral. A simple switch or single‑pole isolator only interrupts one conductor and is unsuitable for three‑phase systems. 3 pole isolators are designed to reliably disconnect all phases simultaneously, improving safety during maintenance and reducing the risk of accidental re‑energization.
  • 3P isolator: three segregated poles for L1, L2, L3
  • 4P isolator: includes neutral or protective conductor in some configurations
  • Switch disconnectors vs. isolators: disconnectors prioritize isolation and clear opening; switches may be used for control with protection features
Keywords: 3P isolator vs 4P, three-pole isolator vs switch disconnect, three-phase switch disconnector.

How do I choose a 3 pole isolator for a project?
Start with the operating voltage and current of your three‑phase load, and select a 3 pole isolator that exceeds those values with an appropriate safety margin. Consider the enclosure type, mounting method (panel‑mount, DIN rail, or enclosure), and the environment (indoor, outdoor, dusty, damp). Check the IP rating for protection against dust and water ingress, and verify compatibility with the control system (mechanical interlocking, padlockable handles, or remote actuation options). Ensure the device complies with relevant standards (IEC/EN 60947‑3) and that replacement parts or accessories are readily available from RS Components or your supplier.
  • Three‑phase current and voltage ratings
  • Enclosure type and mounting style
  • Environmental protection (IP rating) and environmental suitability
  • Safety features: padlock capability, interlocks, lockout devices
  • Standards and supplier support
Related searches include: 3 pole isolator switch, 3P disconnect, three‑phase isolator switch, panel mount isolator, motor control isolator.

What maintenance does a 3 pole isolator require?
Regular inspection and maintenance help ensure reliable operation of a 3 pole isolator. Check for signs of wear, corrosion, or overheating on contacts, operate the lever or handle to confirm smooth movement, and verify that the mechanical interlock or locking mechanism engages properly. For motorized or remote‑actuated variants, test the actuation sequence and control wiring. Clean any dust or debris from the enclosure and ensure seals remain intact. Record inspection results and replace worn components promptly to maintain safety and compliance.
  • Periodic contact inspection and cleaning
  • Lubrication of moving parts if recommended by the manufacturer
  • Verification of locking devices and interlocks
  • Inspection of mounting hardware and enclosure seals
Keywords: maintenance for 3 pole isolator, isolator servicing, three-phase disconnect maintenance.

What accessories or related products should be considered with a 3 pole isolator?
Accessories can enhance safety and integration with control systems. Padlockable handles and lockout devices allow secure maintenance, while mounting brackets and DIN rail adapters simplify installation. Consider enclosure kits, gaskets for IP protection, indicating labels, and interlock kits for added safety. You may also need compatible fuses, circuit breakers, or contactors to form a complete motor control or power distribution solution. For documentation, keep datasheets, terminal diagrams, and wiring schematics for quick reference.
  • Padlockable handles and lockout devices
  • Enclosures, gaskets, and mounting accessories
  • Interlock kits and safety accessories
  • Matching circuit breakers, contactors, and fuses
  • Labeling and documentation packs
Keywords: 3 pole isolator accessories, 3P isolator accessories, isolator lockout, padlockable switch, three-phase safety accessories.

What standards apply to 3 pole isolators?
3 pole isolators are governed by standards that address electrical safety, performance, and reliability. In many regions, IEC/EN 60947‑3 covers AC disconnectors including three‑pole devices, while IEC 60947‑1 provides general requirements for low‑voltage switchgear. Depending on the market, UL, CSA, or other national standards may apply as well. Always verify that the product carries the appropriate certifications for your installation location and use case, and ensure compatibility with your local electrical codes and safety practices.
  • IEC/EN 60947‑3 for AC disconnectors
  • IEC/EN 60947‑1 general requirements
  • Regional approvals (UL, CSA, CE, UKCA as applicable)
Related terms: electrical isolator standards, three-phase switchgear standards, safety compliance for 3P isolators.

What related products should I browse on RS Components?
For a complete electrical distribution or motor control solution, explore RS Components listings for 3 pole disconnectors, 4 pole isolators, motor starters, contactors, fuses, and enclosure systems. Look for compatible accessories such as padlock kits, mounting rails, and labeling solutions. You’ll also find panel mounting kits, cable glands, IP‑rated enclosures, and test equipment to verify installation. Cross‑reference with three‑phase power distribution products, control gear, and safety devices to build a robust system.
  • 3P disconnectors and 4P isolators
  • Motor starters, contactors, and fuses
  • Enclosures, mounting hardware, and IP rated accessories
  • Lockout/tagout equipment and padlock kits
  • Panel accessories and wiring components
Keywords: RS Components 3 pole isolator, RS 3P isolator, three-phase switchgear, industrial isolators, electrical accessories RS.

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