BP32 Isolator Switch 100-630A | Single/Double Throw 3 Phase Disconnect Switch

BP32 Isolator Switch 100-630A | Single/Double Throw 3 Phase Disconnect Switch

BP32 series 3-phase isolator switch covers 100A to 630A, available in single throw and double throw types. Adopts flame retardant insulation shell and full pure copper conductive parts with anti-seismic structure. Supports dual-side operation, equipped with matched internal & external operating handle. Widely applied in low-voltage distribution cabinets, photovoltaic combiner boxes and industrial control panels for safe power isolation. Factory direct supply with customizable service for global export orders.

BP32 series 3-phase isolator switch covers 100A to 630A, available in single throw and double throw types. Adopts flame retardant insulation shell and full pure copper conductive parts with anti-seismic structure. Supports dual-side operation, equipped with matched internal & external operating handle. Widely applied in low-voltage distribution cabinets, photovoltaic combiner boxes and industrial control panels for safe power isolation. Factory direct supply with customizable service for global export orders.

1. Product Overview

BP32 series isolator switch is a professional low-voltage three-phase power isolation device, designed with single throw and double throw structural options, rated current ranging from 100A up to 630A. It provides reliable visible break isolation protection for low-voltage distribution cabinets, solar photovoltaic combiner boxes, mechanical equipment power control panels and complete set electrical switchgear.
This disconnect switch adopts high-standard flame retardant housing and thickened pure copper conductive accessories, built-in anti-seismic buffer structure, and innovative double-side operable design with matching internal & external dual-purpose operating handle. As factory direct export electrical components, we support personalized customization for global wholesalers, electrical engineering contractors and PV system manufacturers.

2. Core Competitive Features

✅ Wide Current Range 100A–630A

Covers full specifications: 100A, 160A, 200A, 250A, 400A, 630A, meets diverse power load demands of industrial and new energy projects.

✅ Optional Single Throw & Double Throw Structure

Two structural types for selection: single throw for simple on-off isolation, double throw for dual-circuit switching & transfer power supply scenarios.

✅ High-Grade Flame Retardant Insulation Housing

Shell made of V0 grade flame retardant insulating material, high temperature resistance, anti-aging, effectively avoid circuit fire risks under overload abnormal conditions.

✅ Full Pure Copper Conductive Fittings

All contact terminals and conductive parts use thickened pure copper, excellent electrical conductivity, low contact resistance, stable power transmission without overheating under long-term heavy load.

✅ Built-In Anti-Seismic Shock Resistant Structure

Optimized internal fixed buffer structure, strong shock and vibration resistance, stable contact performance for mechanical workshop, outdoor PV station and bumpy transportation environments.

✅ Double Side Operable Design

Unique two-side operation structure, can control the switch from either left or right side of cabinet, flexible layout for compact electrical panel design.

✅ Matching Internal & External Dual Purpose Handle

Comes with integrated operating handle set, support inner cabinet manual operation and outer cabinet extension operation, convenient daily maintenance and power cut operation.

✅ Factory Direct Sale & Customization Support

Original manufacturer supply without middleman markup; accept custom current marking, logo printing, packaging and special handle modification for overseas export.

3. Complete Product Specifications

ItemTechnical Parameter
Product ModelBP32 Isolator Switch
Structure TypeSingle Throw / Double Throw Optional
Rated Current100A, 160A, 200A, 250A, 400A, 630A
Phase Number3 Phase
Housing MaterialV0 Grade Flame Retardant Insulation Plastic
Conductive ComponentsThickened Pure Copper
Operation ModeDouble Side Operable, Internal & External Handle Matched
Shock ResistanceAnti-seismic built-in buffer structure
Application VoltageLow Voltage AC Distribution System
Core AdvantageVisible isolation break, safe power cut-off
Service SupportFactory direct supply, OEM & ODM customization
Export ServiceGlobal export standard packaging

4. Main Application Scenarios

  • Low voltage complete set distribution cabinets
  • Solar photovoltaic combiner boxes & PV power stations
  • Industrial machinery equipment control panels
  • Construction building power distribution switchgear
  • Commercial mall power transfer switch system
  • New energy energy storage cabinet isolation protection
  • Mining workshop anti-vibration electrical equipment

5. Operation & Installation Instruction

  1. Mount the BP32 isolator switch firmly inside the electrical cabinet with standard fixed mounting holes.
  2. Connect three-phase incoming and outgoing cables to the pure copper terminal blocks, fasten wiring screws to avoid loose contact.
  3. Install the matched operating handle, the dual-side structure allows operation from cabinet front or side panel.
  4. Toggle the handle to separate the internal contact, form a visible isolation gap to realize safe power cut-off maintenance.
  5. For double throw type, switch handle to realize switching between two independent power supply circuits.

6. Frequently Asked Questions (FAQ)

Q1: What current specifications does BP32 isolator switch provide?

A: BP32 series covers 100A, 160A, 200A, 250A, 400A, 630A full current range to match different load power demands.

Q2: What’s the difference between single throw and double throw BP32 disconnect switch?

A: Single throw only controls one circuit on/off isolation; double throw can switch two separate power circuits for backup power transfer.

Q3: Is BP32 isolator suitable for solar photovoltaic system?

A: Yes, with flame retardant shell, anti-seismic performance and reliable isolation function, it is widely used as PV combiner box main disconnect switch.

Q4: Can I operate this isolator switch from both sides of cabinet?

A: This BP32 model adopts double-side operable design, supporting operation on two sides with matched internal and external handle set.

Q5: Do you support customization for export bulk orders?

A: We are direct factory, accept OEM private logo, customized packaging and special handle structure modification for global wholesale customers.

7. Factory Wholesale Advantages

  1. Original manufacturer production, competitive ex-factory price for large bulk export orders.
  2. Strict raw material inspection and finished product aging test to guarantee stable product quality.
  3. Professional electrical technical team provides selection guidance and wiring installation support.
  4. Short lead time for mass orders, complete export packaging to prevent damage during ocean transportation.
  5. Flexible customization service to meet different regional electrical market standards and client brand demands.

8. Contact us for technical documentation and support

Download the full datasheet for detailed specifications, wiring diagrams, and installation instructions.
Exclusive project customization supports OEM/ODM mode, contact our technical team to create a complete set of landing solutions for you.
Request a quote with your project details for bulk pricing, lead times, and compliance certifications.

1. Product Overview

BP32 series isolator switch is a professional low-voltage three-phase power isolation device, designed with single throw and double throw structural options, rated current ranging from 100A up to 630A. It provides reliable visible break isolation protection for low-voltage distribution cabinets, solar photovoltaic combiner boxes, mechanical equipment power control panels and complete set electrical switchgear.
This disconnect switch adopts high-standard flame retardant housing and thickened pure copper conductive accessories, built-in anti-seismic buffer structure, and innovative double-side operable design with matching internal & external dual-purpose operating handle. As factory direct export electrical components, we support personalized customization for global wholesalers, electrical engineering contractors and PV system manufacturers.

2. Core Competitive Features

✅ Wide Current Range 100A–630A

Covers full specifications: 100A, 160A, 200A, 250A, 400A, 630A, meets diverse power load demands of industrial and new energy projects.

✅ Optional Single Throw & Double Throw Structure

Two structural types for selection: single throw for simple on-off isolation, double throw for dual-circuit switching & transfer power supply scenarios.

✅ High-Grade Flame Retardant Insulation Housing

Shell made of V0 grade flame retardant insulating material, high temperature resistance, anti-aging, effectively avoid circuit fire risks under overload abnormal conditions.

✅ Full Pure Copper Conductive Fittings

All contact terminals and conductive parts use thickened pure copper, excellent electrical conductivity, low contact resistance, stable power transmission without overheating under long-term heavy load.

✅ Built-In Anti-Seismic Shock Resistant Structure

Optimized internal fixed buffer structure, strong shock and vibration resistance, stable contact performance for mechanical workshop, outdoor PV station and bumpy transportation environments.

✅ Double Side Operable Design

Unique two-side operation structure, can control the switch from either left or right side of cabinet, flexible layout for compact electrical panel design.

✅ Matching Internal & External Dual Purpose Handle

Comes with integrated operating handle set, support inner cabinet manual operation and outer cabinet extension operation, convenient daily maintenance and power cut operation.

✅ Factory Direct Sale & Customization Support

Original manufacturer supply without middleman markup; accept custom current marking, logo printing, packaging and special handle modification for overseas export.

3. Complete Product Specifications

ItemTechnical Parameter
Product ModelBP32 Isolator Switch
Structure TypeSingle Throw / Double Throw Optional
Rated Current100A, 160A, 200A, 250A, 400A, 630A
Phase Number3 Phase
Housing MaterialV0 Grade Flame Retardant Insulation Plastic
Conductive ComponentsThickened Pure Copper
Operation ModeDouble Side Operable, Internal & External Handle Matched
Shock ResistanceAnti-seismic built-in buffer structure
Application VoltageLow Voltage AC Distribution System
Core AdvantageVisible isolation break, safe power cut-off
Service SupportFactory direct supply, OEM & ODM customization
Export ServiceGlobal export standard packaging

4. Main Application Scenarios

  • Low voltage complete set distribution cabinets
  • Solar photovoltaic combiner boxes & PV power stations
  • Industrial machinery equipment control panels
  • Construction building power distribution switchgear
  • Commercial mall power transfer switch system
  • New energy energy storage cabinet isolation protection
  • Mining workshop anti-vibration electrical equipment

5. Operation & Installation Instruction

  1. Mount the BP32 isolator switch firmly inside the electrical cabinet with standard fixed mounting holes.
  2. Connect three-phase incoming and outgoing cables to the pure copper terminal blocks, fasten wiring screws to avoid loose contact.
  3. Install the matched operating handle, the dual-side structure allows operation from cabinet front or side panel.
  4. Toggle the handle to separate the internal contact, form a visible isolation gap to realize safe power cut-off maintenance.
  5. For double throw type, switch handle to realize switching between two independent power supply circuits.

6. Frequently Asked Questions (FAQ)

Q1: What current specifications does BP32 isolator switch provide?

A: BP32 series covers 100A, 160A, 200A, 250A, 400A, 630A full current range to match different load power demands.

Q2: What’s the difference between single throw and double throw BP32 disconnect switch?

A: Single throw only controls one circuit on/off isolation; double throw can switch two separate power circuits for backup power transfer.

Q3: Is BP32 isolator suitable for solar photovoltaic system?

A: Yes, with flame retardant shell, anti-seismic performance and reliable isolation function, it is widely used as PV combiner box main disconnect switch.

Q4: Can I operate this isolator switch from both sides of cabinet?

A: This BP32 model adopts double-side operable design, supporting operation on two sides with matched internal and external handle set.

Q5: Do you support customization for export bulk orders?

A: We are direct factory, accept OEM private logo, customized packaging and special handle structure modification for global wholesale customers.

7. Factory Wholesale Advantages

  1. Original manufacturer production, competitive ex-factory price for large bulk export orders.
  2. Strict raw material inspection and finished product aging test to guarantee stable product quality.
  3. Professional electrical technical team provides selection guidance and wiring installation support.
  4. Short lead time for mass orders, complete export packaging to prevent damage during ocean transportation.
  5. Flexible customization service to meet different regional electrical market standards and client brand demands.

8. Contact us for technical documentation and support

Download the full datasheet for detailed specifications, wiring diagrams, and installation instructions.
Exclusive project customization supports OEM/ODM mode, contact our technical team to create a complete set of landing solutions for you.
Request a quote with your project details for bulk pricing, lead times, and compliance certifications.

Data Download

LVMA low voltage selection manual

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