SX0790 Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The SX0790 is a toggle switch with SPDT (Single Pole Double Throw) circuit configuration, rated for 10A at 250V AC and 28V DC. It features panel mount installation with a circular 12.00mm diameter cutout and screw terminal connections. The product is classified as obsolete, making identification of compatible substitute parts essential for ongoing maintenance and new design implementations where this switch type is required.

Substiute Parts

SX0790
BulginIn Stock: 1220SX0790 Datasheet
SX0790
Current Part
GTS447D101HR
CW IndustriesIn Stock: 1208GTS447D101HR Datasheet
GTS447D101HR
MFR Recommended

Key Parameters

Parameter Value
Manufacturer Part Number SX0790
Manufacturer Bulgin
Circuit Configuration SPDT
Switch Function On-Off-On
Current Rating 10A (AC/DC)
Voltage Rating - AC 250V
Voltage Rating - DC 28V
Mounting Type Panel Mount
Actuator Type Standard Round
Actuator Length 20.20mm
Panel Cutout Diameter 12.00mm (Circular)
Termination Style Screw Terminal
Operating Temperature Range -20°C to 85°C
Product Status Obsolete
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

The GTS447D101HR from CW Industries qualifies as a substitute based on the following alignment of critical parameters:

Matching Parameters:

  • Circuit configuration: SPDT (Single Pole Double Throw)
  • Switch function: On-Off-On
  • Mounting type: Panel Mount
  • Actuator type: Standard Round
  • Panel cutout diameter: 12.20mm (compatible with 12.00mm requirement, within mechanical tolerance)
  • Illumination: Non-Illuminated
  • RoHS compliance: ROHS3 Compliant
  • REACH status: REACH Unaffected
  • ECCN classification: EAR99

Electrical Capability Differences: The GTS447D101HR provides enhanced electrical ratings (16A at 277V AC) compared to the SX0790 (10A at 250V AC), making it suitable for applications requiring the original switch's performance envelope. The substitute maintains compatibility with the core switching function while offering improved current and voltage capacity.

Parameter Comparison

Parameter SX0790 (Bulgin) GTS447D101HR (CW Industries)
Circuit Configuration SPDT SPDT
Switch Function On-Off-On On-Off-On
Current Rating 10A (AC/DC) 16A (AC)
Voltage Rating - AC 250V 277V
Voltage Rating - DC 28V Not specified
Mounting Type Panel Mount Panel Mount
Actuator Type Standard Round Standard Round
Actuator Length 20.20mm 17.50mm
Panel Cutout Diameter 12.00mm 12.20mm
Termination Style Screw Terminal Quick Connect - 0.250" (6.3mm)
Operating Temperature Range -20°C to 85°C 0°C to 85°C
Ingress Protection Not specified IP56 - Dust Protected, Water Resistant
Electrical Life Not specified 10,000 Cycles
Product Status Obsolete Active
RoHS Status ROHS3 Compliant ROHS3 Compliant

Engineering Selection Recommendations

The GTS447D101HR is an active product from CW Industries and represents a viable substitute for the obsolete SX0790. Both components maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for new designs and replacements.

Key considerations for selection:

Termination Compatibility: The SX0790 uses screw terminals while the GTS447D101HR employs quick connect terminals. Panel integration and wiring harness design must accommodate this difference.

Actuator Geometry: The GTS447D101HR has a shorter actuator length (17.50mm versus 20.20mm). Verify that panel depth and operator interface requirements are satisfied with the reduced actuator extension.

Operating Temperature: The GTS447D101HR operates from 0°C to 85°C, compared to the SX0790's -20°C to 85°C range. Applications requiring sub-zero operation must confirm the substitute's suitability.

Enhanced Environmental Protection: The GTS447D101HR provides IP56 ingress protection, offering superior dust and moisture resistance compared to the unspecified protection level of the SX0790.

Frequently Asked Questions (FAQ)

Q: Can the GTS447D101HR directly replace the SX0790 without modifications?

A: Functional substitution is possible, but wiring modifications are required. The termination style differs (screw terminal to quick connect), necessitating harness redesign. Panel cutout diameter is compatible within standard mechanical tolerances (12.00mm to 12.20mm).

Q: What is the impact of the different actuator lengths?

A: The GTS447D101HR actuator is 2.70mm shorter (17.50mm versus 20.20mm). Verify that the panel thickness and operator interface accommodate this reduced extension. Tactile feedback and accessibility may be affected.

Q: Are both switches suitable for the same voltage and current applications?

A: The GTS447D101HR provides higher electrical ratings (16A at 277V AC) than the SX0790 (10A at 250V AC). The substitute is suitable for applications within the original switch's electrical envelope. DC voltage rating for the GTS447D101HR is not specified; confirm DC operation requirements with the manufacturer if needed.

Q: What is the significance of the IP56 rating on the substitute?

A: The GTS447D101HR includes IP56 ingress protection (dust protected, water resistant), whereas the SX0790 protection level is not specified. This enhancement provides better environmental sealing for applications exposed to moisture or particulate contamination.

Q: Does the operating temperature range difference affect substitution?

A: The GTS447D101HR operates from 0°C to 85°C, while the SX0790 operates from -20°C to 85°C. Applications requiring operation below 0°C must use the original SX0790 or identify an alternative substitute rated for sub-zero temperatures.

Q: Are both components RoHS and REACH compliant?

A: Yes. Both the SX0790 and GTS447D101HR are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component procurement and use.

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