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Woodhead 27W81MB - Watertite® Connector for Male Receptacle with Locking Blade, Single Flip Coverplate, 4 Pole/5 Wire, NEMA L21-20 3ø 208V, F3

Woodhead 27W81MB Watertite® Connector for Male Receptacle with Locking Blade, Single Flip Coverplate, 4…

Alternate Item Number: 1301470064

UPC: 786788713768


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Technical DrawingSpecification Sheet

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The **Woodhead Watertite® Connector (SKU: 27W81MB)** is a rugged, high-performance electrical receptacle designed for industrial environments where reliability, safety, and durability are non-negotiable. Engineered by **Woodhead**, a trusted leader in industrial connectivity solutions, this **4-pole/5-wire (4P/5W) male receptacle** meets the **NEMA L21-20** standard for **three-phase 208V** applications, ensuring compatibility with critical power distribution systems. With its **locking blade design** and **single flip coverplate**, this connector delivers unmatched protection against moisture, dust, and mechanical stress—making it the ideal choice for harsh industrial settings. **Key Features & Technical Specifications:** - **NEMA L21-20 Rating:** Certified for **three-phase 208V** applications, ensuring compliance with industrial power standards. - **4P/5W Configuration:** Supports **four poles and five wires**, accommodating neutral and ground connections for balanced power distribution. - **Locking Blade Mechanism:** Prevents accidental disconnection, enhancing safety in high-vibration or dynamic environments. - **Single Flip Coverplate:** Provides quick access for maintenance while protecting internal components from contaminants. - **Watertite® Technology:** Built to withstand **IP67-rated** protection, resisting water ingress and corrosion in wet or outdoor conditions. - **Size F3 Compatibility:** Designed for seamless integration with standard industrial enclosures and panel systems. **Industry Applications & Use Cases:** The **Woodhead Watertite® Connector (27W81MB)** is purpose-built for demanding industrial applications where electrical reliability is paramount. Typical use cases include: - **Manufacturing Facilities:** Powering heavy machinery, CNC equipment, and automated production lines with stable, high-current connections. - **Control Panels & Switchgear:** Ensuring secure terminations in motor control centers (MCCs), PLC enclosures, and distribution boards. - **Construction & Job Sites:** Providing temporary or permanent power distribution in rugged outdoor environments, such as mining, oil & gas, or renewable energy installations. - **Data Centers & Critical Infrastructure:** Supporting backup power systems (UPS) and emergency lighting where uptime is mission-critical. - **Food & Beverage Processing:** Meeting hygiene and safety standards in washdown areas with corrosion-resistant materials. **Why Choose Woodhead for Industrial Connectivity?** With over a century of innovation in electrical connectivity, **Woodhead** is a globally recognized manufacturer known for its **high-quality, durable, and compliant** solutions. Their **Watertite® line** is specifically engineered to address the challenges of industrial environments, where standard connectors often fail due to moisture, vibration, or extreme temperatures. The **27W81MB** exemplifies this commitment, offering: - **Field-Proven Reliability:** Tested under rigorous conditions to ensure long-term performance in industrial settings. - **Compliance & Certifications:** Meets **NEMA, UL, and IEC standards**, ensuring safety and interoperability with other industrial equipment. - **Ease of Installation:** Designed for quick mounting and wiring, reducing downtime during maintenance or upgrades. - **Future-Proof Design:** Compatible with evolving industrial power requirements, including energy-efficient and smart grid applications. **Installation & Maintenance Considerations:** Proper installation is critical to maximizing the lifespan and performance of the **Woodhead Watertite® Connector (27W81MB)**. Professionals should: - Ensure **proper torque** on terminal connections to prevent overheating or loose contacts. - Verify **compatibility** with mating plugs and cables to avoid mismatched ratings or configurations. - Inspect the **flip coverplate** regularly for damage or wear, replacing it if compromised to maintain IP67 protection. - Use **compression or crimp terminals** for wire terminations to ensure long-term conductivity. - Follow **Woodhead’s installation guidelines** and local electrical codes (e.g., **NEC, OSHA**) for safe deployment. **Industries Served:** The **27W81MB** is a versatile solution trusted across multiple sectors, including: - **Automotive Manufacturing** (assembly lines, robotic cells) - **Aerospace & Defense** (ground support equipment, testing facilities) - **Pharmaceuticals & Chemicals** (process control, hazardous location compliance) - **Marine & Offshore** (shipboard power distribution, drilling platforms) - **Renewable Energy** (solar farms, wind turbine power connections) For industrial professionals seeking a **high-integrity, watertight connector** that combines **durability, safety, and ease of use**, the **Woodhead Watertite® Connector (SKU: 27W81MB)** is an unmatched solution. Whether deployed in a **factory automation system**, a **temporary construction site**, or a **critical infrastructure project**, this connector delivers the performance and protection required to keep operations running smoothly—even in the most challenging conditions.
  • NEMA L21-20 rated for 3-phase 208V applications
  • 4P/5W configuration with locking blade for secure connections
  • IP67 watertight protection against moisture and dust
  • Single flip coverplate for easy access and maintenance
  • Compatible with industrial machinery, control panels, and harsh environments

Specifications

Amperage Rating
20 A
Brand Name
Woodhead
Connection Type
Locking Blade
Environmental Conditions
IP67
IP Rating
IP67
Material
Poly
Mounting Type
Panel Mount
Nema Rating
L21-20
Number of Poles
4
Number Of Poles
4-pole/5-wire
Poles
4P/5W
Series
Watertite
Size
F3
Sub Brand
Watertite
Type
Connector
Voltage Rating
3Ø 208V
Voltage Rating
208 V
Package Weight (Imperial)
1.400 L
Package Weight (Metric)
0.635 kg
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The Polaris SP4 Set Screw Plug is a replacement part that take the place of the secure removable plugs present in many Polaris pre-insulated connectors. This plug fits connectors sized for 4 AWG wires, covering the set screws used to tighten their connections. Protect the interior of your Polaris pre-insulated connectors, each port of which is pre-loaded with an oxide inhibitor to ensure a low-contact resistance connection, by guarding the set screws from outside contaminants. Polaris designs connectors for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

SP4

The Polaris SP4 Set Screw Plug is a replacement part that take the place of the secure removable plugs present in many Polaris pre-insulated connectors. This plug fits connectors sized for 4 AWG wires, covering the set screws used to tighten their connections. Protect the interior of your Polaris pre-insulated connectors, each port of which is pre-loaded with an oxide inhibitor to ensure a low-contact resistance connection, by guarding the set screws from outside contaminants. Polaris designs connectors for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

Frequently Asked Questions

What is the IP rating for this Watertite connector?

The IP rating for this Watertite connector is IP67.

What NEMA configuration does this connector use?

This connector uses the NEMA L21-20 configuration.

What is the maximum voltage for this device?

The maximum voltage for this device is 3-phase 208V.

What is the maximum current per contact?

The maximum current per contact is 20.0A.

How many poles and wires does this connector have?

This connector has a 4-pole/5-wire configuration.

What is the cord grip body size?

The cord grip body size is F3 3/4".

Does this connector have a locking blade?

Yes, this connector features a locking blade.

Is this a GFCI connector?

No, this connector is not a GFCI type.

What type of receptacle is this?

This is a single receptacle type.

What is the gender of this connector?

The gender of this connector is female.

Frequently Asked Questions about Woodhead

What certifications and standards do Woodhead products comply with?

Woodhead products are certified to multiple rigorous industrial standards, including UL Listed, CSA Certified, NSF Certified, and IP69K Rated. Their wiring devices meet FDA compliance requirements for food-related applications, and are tested to international standards like JIS Z2801/ISO 22196 for antimicrobial performance. These certifications demonstrate Woodhead's commitment to safety, durability, and quality across industrial, food processing, and harsh environment applications.

What industries and applications are Woodhead products used for?

Woodhead products serve a wide range of industrial applications including manufacturing, construction sites, food and beverage processing, shipyards, utility plants, and maintenance operations. Their specialized wiring devices and outlet boxes are designed for harsh environments like wet locations, petrochemical facilities, and heavy-duty industrial settings, with specific product lines for assembly stations, workstations, and portable power needs.

What are the key features of Woodhead products?

Woodhead products feature advanced industrial-grade design with key capabilities including IP69K water resistance, FDA-compliant materials, antimicrobial silicone rubber construction, and UL/CSA certifications. Their product lines span wet-location wiring devices, heavy-duty industrial connectors, portable lighting, and control solutions engineered for extreme environments like food processing, petrochemical, and manufacturing applications.

What are the main product lines offered by Woodhead?

Woodhead offers a comprehensive range of industrial connectivity solutions, including circular connectors, cordsets, and connectivity products for automation and industrial environments. Their product lines cover multiple series such as the 29W, 35, 32G, and 1000-series connectors, which are designed for robust industrial applications with various configurations and specifications.

What communication protocols do Woodhead products support?

Woodhead products support a comprehensive range of industrial communication protocols, including Modbus RTU, PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, and DeviceNet. These protocols enable flexible connectivity across multiple industrial automation platforms, supporting high-speed data transmission and seamless network integration for diverse industrial applications.