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Overview
- Twin thermostats for independent fan and heater control
- Fahrenheit scale with 32-140°F adjustment range
- N.C. (240VAC/10A) and N.O. (120VAC/15A) contacts
- 35mm DIN rail clip-on mounting for easy installation
- Flame-retardant UL94VO plastic housing with IP20 protection
Specifications
Brand Name | Hammond Mfg. |
Connection Type | Screw terminals for AWG 14 wires |
Connection Type | Screw Terminal (AWG 14) |
Connection Type | AWG 14 wires |
Current Rating | 10 A (NC) / 15 A (NO) |
Frequency | 50/60 Hz |
Material | UL94VO plastic |
Mounting Type | 35mm DIN Rail |
Mounting Type | 35mm DIN rail clips |
Mounting Type | 35mm DIN Rail Clip |
Poles | 2P (NC/NO) |
Series | SKTD |
Sub Brand | SKTD Series |
Voltage Rating | 240 VAC / 120 VAC |
Package Dimensions (L x W x H) | 1 IN x 1 IN x 1 IN |
Package Dimensions (L x W x H) | 2.54 cm x 2.54 cm x 2.54 cm |
Package Weight (Imperial) | 0.180 L |
Package Weight (Metric) | 0.082 kg |
Frequently Asked Questions
What is the temperature adjustment range for the SKTD541?
The SKTD541 offers an adjustment range of 32-140°F (0-60°C).
What type of contacts does the SKTD541 have?
The SKTD541 features N.C. (Normally Closed) and N.O. (Normally Open) spring contacts. The N.C. contacts are rated for 240 VAC/10A, and the N.O. contacts are rated for 120 VAC/15A.
How is the SKTD541 thermostat mounted?
The SKTD541 is designed for clip mounting on 35mm DIN rails, facilitating easy installation in control panels.
What is the switching capacity of the N.C. and N.O. contacts?
The N.C. contacts have a switching capacity of 240 VAC at 10A, and the N.O. contacts have a capacity of 120 VAC at 15A. The DC maximum is 30 watts.
What is the housing material and protection rating of the SKTD541?
The SKTD541 features a flame-retardant UL94VO plastic housing and provides IP20 protection.
What approvals does the Hammond SKTD541 have?
The SKTD541 is UL Recognized Component, cUL Recognized Component, and CE certified.
How to Install the Hammond SKTD541 Twin Thermostat
Step-by-step guide for mounting and wiring the SKTD541 thermostat.
Estimated time: 30m
Tools needed:
Screwdriver, Wire stripper
Supplies needed:
AWG 14 wires
- Mount the Thermostat
Align the clip on the back of the SKTD541 with a 35mm DIN rail and press firmly until it snaps into place.
- Prepare Wires
Strip the ends of your AWG 14 wires for connection to the screw terminals.
- Connect Fan Control Wires
Connect the wires for your fan to the appropriate N.O. or N.C. terminals as per your circuit design. Refer to the product diagram for specific terminal assignments.
- Connect Heater Control Wires
Connect the wires for your heater to the remaining N.O. or N.C. terminals. Ensure correct polarity and connection based on desired operation (e.g., N.O. for heating activation).
- Verify Connections
Double-check all wire connections to ensure they are secure and correctly placed. Verify that the correct terminals are used for fan and heater circuits.
Frequently Asked Questions about Hammond Manufacturing
What is Hammond Manufacturing's warranty policy?
Hammond Manufacturing provides a standard one-year warranty on all products, covering defects in workmanship and materials. Products will be repaired or replaced free of charge if found defective upon factory inspection. The warranty does not cover damage from improper handling, incorrect application, or faulty installation.
What certifications and standards do Hammond Manufacturing products comply with?
Hammond Manufacturing products are certified to UL (Underwriters Laboratories) and CSA (Canadian Standards Association) standards in North America. Our products meet rigorous safety and performance requirements, with many items classified as UL Listed Products or Recognized Components. We also comply with international certifications including China Compulsory Certification (CCC), C-Tick for Australian EMC requirements, and ANCE for Mexico.
What are the key features of Hammond Manufacturing products?
Hammond Manufacturing offers a comprehensive range of industrial enclosures and electrical components, including mild steel, stainless steel, aluminum, and non-metallic enclosures designed for diverse industrial applications. Their product lines cover critical industrial automation needs such as disconnect enclosures, operator interface enclosures, climate control solutions, and general accessories, with products engineered to meet Type 4, 4X, and 12 industrial standards.
What environmental ratings do Hammond Manufacturing products have?
Hammond Manufacturing offers enclosures with multiple environmental ratings across their product lines, including UL/cUL 508A ratings of Type 1, 2, 3, 4, 4X, 12, and 13. Their products also comply with IEC 60529 IP66 standards, providing robust protection against dust, water ingress, and harsh environmental conditions. Specific ratings vary by product series, with options ranging from indoor Type 1 enclosures to outdoor-rated Type 4X enclosures suitable for wet, corrosive, and high-temperature environments.
What industries and applications are Hammond Manufacturing products used for?
Hammond Manufacturing produces industrial enclosures and electrical components for multiple critical industries, including automation, electrical, audio, power systems, and control applications. Their product lines span mild steel, stainless steel, aluminum, and non-metallic enclosures designed for various NEMA types (Type 4, 4X, 12), as well as transformers, circuit board components, and climate control solutions for industrial and commercial environments.
What technical support does Hammond Manufacturing offer?
Hammond Manufacturing offers comprehensive technical support through multiple channels. Customers can access technical references and CAD downloads directly on www.hammondmfg.com, and can contact regional support teams via phone in Canada, the USA, and internationally. For custom design inquiries, their technical team provides personalized assistance, helping customers find standard solutions or develop custom transformer and electrical enclosure designs.
What are the main product lines offered by Hammond Manufacturing?
Hammond Manufacturing offers a comprehensive range of industrial enclosures, power supplies, and electronic packaging solutions. Their primary product lines include electrical and electronic enclosures, power transformers, heat sinks, PCI/PCIe card enclosures, and specialized mounting hardware for industrial automation and electronic applications.
What accessories are available for Hammond Manufacturing products?
Hammond Manufacturing offers a comprehensive range of accessories for their industrial enclosures and electrical components. Key accessories include HME Series handles (swing and lift handles with key locking and padlocking options), door stop kits, and light kit mounting brackets. They also provide standard hardware like screws, washers, and mounting accessories specific to different product lines.
How are Hammond Manufacturing products typically installed?
Hammond Manufacturing transformers are typically chassis-mounted using pre-drilled mounting holes and centers specified in their product dimension tables. Most models feature 3/16" diameter mounting holes and precise mounting centers, allowing for direct, secure installation onto equipment chassis or mounting plates. Installation requires aligning the transformer's mounting holes with corresponding mounting points and securing with appropriate fasteners.