Woodhead 29W81MB - Watertite® Connector for Male Receptacle with Locking Blade, Single Flip Coverplate, 4 Pole/5 Wire, Neman L21-30, 3ø 208V, F4
Woodhead

29W81MB

Alternate Item Number: 1301470117

UPC: 786788714178

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Technical DrawingSpecification Sheet

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Overview

The Woodhead Watertite® Connector (SKU: 29W81MB) is a robust, industrial-grade electrical connector designed for demanding environments. This 4-pole, 5-wire connector features a NEMA L21-30 configuration, delivering reliable three-phase power distribution for 208V applications. It is engineered for heavy-duty machinery, generators, and high-power equipment in industrial, commercial, and utility settings. The Watertite® series, known for its Watertite Extreme® technology, provides superior protection against moisture, dust, and mechanical stress, meeting stringent industry standards. Key features include a locking blade mechanism for secure, vibration-resistant connections, preventing accidental disconnections. The single flip coverplate offers quick access for maintenance while ensuring an IP69K-rated seal when mated, protecting against high-pressure water jets and corrosive substances. This ingress protection is critical for food and beverage processing, oil and gas facilities, and outdoor industrial applications. The L21-30 NEMA configuration is standard for three-phase, 120/208V systems in North America, ensuring interoperability. With a 30A rating, it is compatible with CNC machines, robotic systems, portable generators, and temporary power distribution units. Woodhead connectors are trusted for consistent performance, long service life, and ease of installation, minimizing downtime. Installation is simplified by the connector's ergonomic design, featuring clear labeling and a user-friendly interface. Its rugged construction, utilizing corrosion-resistant metals and high-impact polymers, ensures reliable operation in extreme temperatures and chemically aggressive environments. This connector complies with UL, CSA, and IEC standards. Woodhead Industries, a leader in industrial electrical connectivity, offers the Watertite Extreme® line for wet locations and challenging industrial applications where electrical safety and system integrity are paramount. Applications include manufacturing plants, data centers, and renewable energy installations.
  • 4 Pole / 5 Wire configuration
  • NEMA L21-30, 3-Phase 208V specification
  • 30A current rating
  • IP69K rated seal when mated
  • Locking blade mechanism for secure connections

Specifications

Amperage Rating
30 A
Brand Name
Woodhead
Connection Type
Screw Terminal
Environmental Conditions
IP67
Frequency
60 Hz
Material
Poly
Nema Rating
NEMA L21-30
Number Of Poles
4-pole/5-wire
Number of Poles
4
Poles
4P/5W
Series
Watertite
Sub Brand
Watertite
Type
Connector
Voltage Rating
3Ø 208V
Voltage Rating
208 VAC
Package Dimensions (L x W x H)
7 IN x 3.62 IN x 4.187 IN
Package Dimensions (L x W x H)
17.78 cm x 9.1948 cm x 10.635 cm
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 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.