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Xiamen Rongmai Electrical Equipment Co., Ltd.

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China Modular Expandable DB Accessories Isolator Switch For Commercial Building Power
China Modular Expandable DB Accessories Isolator Switch For Commercial Building Power

  1. China Modular Expandable DB Accessories Isolator Switch For Commercial Building Power
  2. China Modular Expandable DB Accessories Isolator Switch For Commercial Building Power
  3. China Modular Expandable DB Accessories Isolator Switch For Commercial Building Power

Modular Expandable DB Accessories Isolator Switch For Commercial Building Power

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Display LCD/LED
Cable Access M20/25 knockouts
Electricity Type AC
Mechanicallife 10,000 operations
Detect Pattern 5.8GHz Microwave
Active Or Not Active
Sample Negotiable
Input Level Range Input level range dBuV

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  1. Product Details
  2. Company Details

Product Specification

Display LCD/LED Cable Access M20/25 knockouts
Electricity Type AC Mechanicallife 10,000 operations
Detect Pattern 5.8GHz Microwave Active Or Not Active
Sample Negotiable Input Level Range Input level range dBuV
High Light Modular Expandable DB AccessoriesModular Isolator SwitchCommercial Building Power Isolator Switch
Modular Expandable DB Accessories Isolator Switch For Commercial Building Power Projects
Product Overview

Optimize safety, structural flexibility, and power control in your next electrical infrastructure project with our premium Modular Expandable DB (Distribution Board) Accessories Isolator Switch. Engineered strictly for high-load commercial building power projects, this heavy-duty main switch disconnector serves as the ultimate safety isolation hub within modular consumer units, multi-tier distribution panels, and smart commercial electrical systems.

Featuring an innovative, expandable side-coupling modular layout, this isolator switch allows EPC contractors and commercial electricians to seamlessly integrate auxiliary contacts, shunt trips, or under-voltage release modules. Built to withstand high short-circuit currents and intensive cycling, it ensures dependable electrical isolation during routine building maintenance or emergency field shutdowns.

Technical Specifications & Engineering Standards
Parameter Commercial Project Specifications
Product Category Modular Isolator Switch / Main Switch Disconnector
Mounting Architecture Standard 35mm DIN Rail Mounting (Snap-on)
Pole Configuration Available in 1P, 2P, 3P, and 4P Options
Rated Operational Current (Iₑ) 32A, 63A, 80A, 100A, 125A High-Capacity
Rated Operational Voltage (Uₑ) 230V / 400V AC (50/60Hz)
Rated Insulation Voltage (Uᵢ) 690V / 800V AC
Utilization Category AC-22A / AC-23A (For highly inductive switching)
Expandability Feature Modular Side-Lock Interlocking for DB Accessories
Terminal Connection Type Heavy-Duty Lift Terminals (Supports up to 50 mm² cables)
International Compliance IEC/EN 60947-3, CE, RoHS, ISO9001 Certified
Modular Expandable DB Accessories Isolator Switch product photo showing industrial design and mounting features
Core Mechanical & Engineering Advantages
1. Future-Proof Modular Expandability

Designed explicitly as a core element of modern Distribution Boards (DB), this isolator features an engineered slide-lock side interface. This layout enables rapid attachment of auxiliary accessories without changing the existing panel wiring. Electricians can snap on status indicator contacts, remote trip units, or lock-out/tag-out (LOTO) security flags instantly.

2. High-Capacity Mechanical Actuation

Commercial power grids demand exceptional ruggedness. This main switch disconnector features independent, double-break contact structures that reduce internal electric arcing and lower operating temperatures under continuous load. The heavy-duty internal silver-alloy contacts ensure stable conductivity and prevent micro-welding during peak operations.

3. Advanced Industrial Safety Protection (IP20 Touch-Proof)

Safety compliance is paramount in public and commercial building spaces. The switch chassis is molded from premium, high-impact V0 flame-retardant polycarbonate. It features a finger-safe IP20 terminal design with deep cable shrouds, eliminating the risk of accidental direct contact during field testing or commissioning.

4. Optimized for Commercial DB Environments

With a standardized modular profile matching standard miniature circuit breakers (MCBs), this switch guarantees a perfectly aligned install inside commercial distribution boards. The rugged 35mm DIN-rail clips feature two lock-in states for stress-free positioning, adjustment, and removal even in cramped wiring gutters.

Target Commercial Power Applications

This modular isolator group is a vital inventory selection for commercial construction projects, electrical wholesale supply networks, and switchboard builders serving:

  • Commercial Office Towers: Acting as the primary manual isolation lock for floor-by-floor sub-distribution boards and HVAC zone controls.
  • Shopping Centers & Retail Complexes: Providing reliable multi-pole branch isolation for individual tenant retail power meters.
  • Data Centers & Server Facilities: Serving as a reliable local power cutoff switch next to non-critical auxiliary infrastructure racks.
  • Institutional Buildings & Hospitals: Supplying heavy-duty, certified safety isolation within lighting control panels and emergency sub-panels.
Why Partner With Us? (Your B2B Global Electrical Supply Factory)
  • Parametric Quality Testing: Every batch of our commercial isolator switches undergoes strict 100% factory verification tests, including contact resistance testing, dielectric insulation checks, and mechanical cycle validation.
  • Wholesale Supply Chain Scalability: We provide scalable manufacturing lines to meet strict EPC tender deadlines. We offer custom laser marking for private brand labels, custom packaging, and flexible bulk pricing matrixes.
  • Seaworthy Export Logistics: Parts are packaged in anti-static, moisture-absorbing bulk boxes and secured on heavy-duty, export-grade pallets to ensure long-distance maritime transit arrives completely undamaged.
Frequently Asked Questions (FAQ)
Q: Can this isolator switch be used as a circuit breaker?
A: No. This is a dedicated manual isolator switch disconnector (IEC/EN 60947-3). It is engineered to safely isolate a circuit under load, but it does not provide automatic thermal-magnetic overcurrent or short-circuit protection. It should be paired with MCBs or fuses.
Q: What specific DB accessories can be expanded onto this switch body?
A: The modular side-coupling design supports standard auxiliary switches (for remote state feedback to BMS systems), alarm contacts, shunt trip relays, and custom under-voltage lockout modules.
Q: Do your terminals support aluminum wiring as well as copper?
A: Our terminals are manufactured with heavy-duty tin-plated brass, which resists galvanic corrosion. However, for direct aluminum connections, we recommend using appropriate bi-metal crimp lugs or terminal adapters with anti-oxidation paste.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Seller,Exporter,Trading Company,Distributor/Wholesaler

  • Year Established:

    2017

  • Employee Number:

    100~500

  • Ecer Certification:

    Verified Supplier

Xiamen Rongmai Electric: A Comprehensive Business Upgrade and Transformation! We specialize in the R&D and manufacturing of a full range of power distribution boxes, including temporary construction site units, residential lighting panels, power distribution units, fire control cabinets, and ... Xiamen Rongmai Electric: A Comprehensive Business Upgrade and Transformation! We specialize in the R&D and manufacturing of a full range of power distribution boxes, including temporary construction site units, residential lighting panels, power distribution units, fire control cabinets, and ...

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Get in touch with us

  • Reach Us
  • Xiamen Rongmai Electrical Equipment Co., Ltd.
  • Unit 501, No. 579 Tonglong 2nd Road, Xiang'an Industrial Zone, Torch High-tech Zone, Xiamen City, Fujian Province, China
  • https://www.rongmaielec.com/

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