NSI Industries WH2B - 24 Hour Water Heater 40A 208-250V DPST Indoor Metal Enclosure
NSI Industries

WH2B

UPC: 786261700445


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Specification Sheet

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Overview

The NSI Industries WH2B is a robust 24-hour water heater control designed for reliable operation in indoor environments. This unit features a 40A current rating and operates across a voltage range of 208-250V, making it suitable for a variety of water heating systems. Its DPST (Double Pole Single Throw) configuration provides essential switching capabilities for controlling heating elements. Constructed with a durable metal enclosure, the WH2B offers Type 1 NEMA protection, safeguarding internal components from dust and light debris. Engineered for straightforward indoor mounting, this control ensures consistent performance and longevity for your water heating applications. Trust NSI Industries for dependable electrical components that meet stringent operational requirements. The WH2B is manufactured in the USA, ensuring quality and adherence to domestic standards. Its compact design and straightforward functionality make it an efficient choice for maintaining water temperature on a 24-hour cycle. The 40A rating is critical for handling the power demands of most residential and light commercial water heaters, while the 208-250V compatibility offers flexibility in power source selection. The DPST switch type is standard for controlling both live wires of a heating element simultaneously, providing a safe and effective means of power interruption.
  • 24 Hour Water Heater Control
  • 40A Current Rating
  • 208-250V Voltage Range
  • DPST (Double Pole Single Throw) Switch
  • Indoor Metal Enclosure (Type 1 NEMA)

Specifications

Action
DPST
Application
NSI
Base
Screw
Contact Rating
208-250 VAC
Current Rating
40A
Enclosure
NEMA 1 Metal Indoor
Environmental Conditions
-40 to 165 F
Frequency Rating
60 Hz
Initiation
Contact
Material
Metal
Mounting
Screw Mount
Mounting Type
Indoor
Number Of Poles
2
Operating Temperature
-40 to 165 F
Operating Temperature, Maximum
165 F
Operating Temperature, Maximum
73.8889 C
Operating Temperature, Minimum
-40 F
Operating Temperature, Minimum
-40 C
Phase
Single Phase
Poles
DPST
Size
L=4.687 - H=7.937 - W=2.937 IN
Special Features
DPST 208-250 VAC Water Heater Time Switch
Standard
UL-CSA
Timing Range
24 Hour
Type
Water Heater Time Switch
Voltage Rating
208-250V
Package Dimensions (L x W x H)
2.937 IN x 4.687 IN x 7.937 IN
Package Dimensions (L x W x H)
7.46 cm x 11.905 cm x 20.16 cm
Package Weight (Imperial)
2.464 L
Package Weight (Metric)
1.118 kg
Eclipse Inner Panel - Fits Encl. 30 x 30 - Steel/Wht

EP3030

Eclipse Inner Panel - Fits Encl. 30 x 30 - Steel/Wht
Panel 6.9 x 4.9 - Fits Encl. 8 x 6 - Alum

14A0705

Panel 6.9 x 4.9 - Fits Encl. 8 x 6 - Alum
Escutcheon black type B for Sircover 125-630A

44095015

Escutcheon black type B for Sircover 125-630A
Escutcheon black type B for Sircover 125-630A IP65

44095016

Escutcheon black type B for Sircover 125-630A IP65
1/2 Inch, Straight, One-Piece Liquidtight Non-Metallic Fitting, CSA, UL E32447, Temperatures up to 60 Degrees C, PVC, Grey

LN43DA

1/2 Inch, Straight, One-Piece Liquidtight Non-Metallic Fitting, CSA, UL E32447, Temperatures up to 60 Degrees C, PVC, Grey
Cord Grip with NPT Threads, Locknut Included, NPT Thread Size 3/8 Inch, Cable Range 0.181 Inch/4.6mm to 0.312 Inch/7.9mm, Hole Clearance 0.670 Inch/17.0mm, Thread Length 0.53 Inch/13.5mm, IP68 Rating, Nylon, Black

LH38

Cord Grip with NPT Threads, Locknut Included, NPT Thread Size 3/8 Inch, Cable Range 0.181 Inch/4.6mm to 0.312 Inch/7.9mm, Hole Clearance 0.670 Inch/17.0mm, Thread Length 0.53 Inch/13.5mm, IP68 Rating, Nylon, Black
1/2 Inch, 90 Degree, One-Piece Liquidtight Non-Metallic Fitting, CSA, UL E32447, Temperatures up to 60 Degrees C, PVC, Grey

LN20DA

1/2 Inch, 90 Degree, One-Piece Liquidtight Non-Metallic Fitting, CSA, UL E32447, Temperatures up to 60 Degrees C, PVC, Grey
EP-RJG-M20-BL-A

1SNG618003R0000

EP-RJG-M20-BL-A
5,90" x 5,90" filter fan - 24Vdc - 20.6 cfm - RAL 9005 - Type 3R - IP55

FF12D24NN53

5,90" x 5,90" filter fan - 24Vdc - 20.6 cfm - RAL 9005 - Type 3R - IP55
12,80" x 12,80" filter fan - 115Vac - 285.3 cfm - RAL 7035 - Type 12

FF20A115UE1

12,80" x 12,80" filter fan - 115Vac - 285.3 cfm - RAL 7035 - Type 12

Frequently Asked Questions

What is the temperature rating for the WH2B?

The WH2B has a temperature rating of 90 °C.

What is the voltage rating for the WH2B?

The WH2B operates at a voltage of 600V, with a maximum of 2000V per UL486B.

Is the WH2B UL listed?

Yes, the WH2B is UL 486A/B listed.

What types of conductors can the WH2B connect?

The WH2B is designed for use with both copper and aluminum conductors.

What is the wire range for the WH2B?

The WH2B accommodates wire sizes from 2 AWG to 600 MCM.

What is the maximum torque value for the WH2B?

The maximum torque value for the WH2B is 550 in/lbs.

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What environmental ratings do Tork products have?

Tork products are designed to meet various environmental ratings, including NEMA Type 4X and Type 6, which provide protection against corrosion, windblown dust, rain, and occasional temporary submersion. These ratings ensure that Tork products can withstand harsh industrial environments while maintaining operational integrity.

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Tork products support a comprehensive range of communication protocols, including PROFIBUS DP V1, PROFINET with dual port, EtherNet/IP with dual port, CANopen, and Modbus RTU integrated as standard. These protocols facilitate flexible network integration and high-performance communication across various industrial automation systems.

What are the key features of Tork products?

Tork products are designed with advanced features that enhance efficiency and reliability in industrial applications. Key features include integrated harmonics and EMC design for improved power quality, removable terminals for quick installation, and USB ports for easy troubleshooting. Additionally, Tork solutions emphasize user-friendly setup with application wizards and memory modules for convenient parameter management.

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What technical support does Tork offer?

Tork offers a comprehensive range of technical support services, including 24/7 customer support, on-site service management, and a technical hotline network. With three advanced technical support centers and over 8,000 hours of technical training conducted annually, Tork ensures certified expertise across 25+ languages to assist customers effectively. Their commitment to service is reflected in a 98% Service Level Agreement compliance rate, providing reliable support for all operational needs.

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Tork products comply with UL and cUL certifications, ensuring they meet rigorous safety and performance standards. Additionally, many models are designed to meet NEMA enclosure ratings, providing protection against environmental factors.

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