Honeywell 12TS15-7 Toggle Switch DPDT Equivalent & Substitute Parts

Part Overview

The Honeywell 12TS15-7 is a panel-mount toggle switch with DPDT (Double Pole Double Throw) circuit configuration, rated for 20A at 125V AC. This component operates in a Mom-Off-Mom (momentary-off-momentary) switch function with a non-illuminated standard round actuator. The part is classified as obsolete, necessitating identification of active equivalent alternatives from current manufacturers to maintain design continuity and ensure supply chain availability.

Key Parameters

Parameter	Value
Manufacturer Part Number	12TS15-7
Manufacturer	Honeywell Sensing and Productivity Solutions
Circuit Configuration	DPDT
Switch Function	Mom-Off-Mom
Current Rating (AC)	20A
Voltage Rating (AC)	125V
Mounting Type	Panel Mount
Actuator Type	Standard Round
Termination Style	Screw Terminal
Panel Cutout Diameter	12.40mm
Bushing Thread	15/32-32
Operating Temperature Range	-54°C to 71°C
Product Status	Obsolete
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 12TS15-7 is determined by the following critical parameters:

Primary Compatibility Criteria:

Circuit configuration: DPDT
Switch function: Mom-Off-Mom
Voltage rating: 125V AC minimum
Mounting type: Panel Mount
Termination style: Screw Terminal
Bushing thread: 15/32-32
Panel cutout diameter: 12.40mm (Honeywell) to 12.70mm (Carling acceptable tolerance)

Current Rating Consideration: The 12TS15-7 is rated for 20A AC. Substitute parts with lower current ratings (15A or 17A) operate within reduced electrical capacity and must be evaluated against application requirements. Parts meeting or exceeding the 20A specification provide direct equivalence; parts below 20A represent functional alternatives with current derating.

Substitute Parts Identified:

All substitute parts are manufactured by Carling Technologies and belong to the G-series toggle switch family. The following part numbers meet the primary compatibility criteria:

6GO54-73 (15A rating)
6GO54-73/SC BULK (15A rating)
6GO54-78 (15A rating)
6GO54-78/HDW ASSM (15A rating)
6GO74-73 (17A rating)

All substitute parts are classified as Active products with current manufacturing status.

Parameter Comparison

Parameter	12TS15-7 (Honeywell)	6GO54-73 (Carling)	6GO54-73/SC BULK (Carling)	6GO54-78 (Carling)	6GO54-78/HDW ASSM (Carling)	6GO74-73 (Carling)
Circuit Configuration	DPDT	DPDT	DPDT	DPDT	DPDT	DPDT
Switch Function	Mom-Off-Mom	Mom-Off-Mom	Mom-Off-Mom	Mom-Off-Mom	Mom-Off-Mom	Mom-Off-Mom
Current Rating (AC)	20A	15A	15A	15A	15A	17A
Voltage Rating (AC)	125V	125V	125V	125V	125V	125V
Mounting Type	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount
Actuator Type	Standard Round	Standard Round	Standard Round	Standard Round	Standard Round	Standard Round
Actuator Length (mm)	16.51	17.45	17.45	17.45	17.45	17.45
Termination Style	Screw Terminal	Screw Terminal	Screw Terminal	Screw Terminal	Screw Terminal	Screw Terminal
Panel Cutout Diameter (mm)	12.40	12.70	12.70	12.70	12.70	12.70
Bushing Thread	15/32-32	15/32-32	15/32-32	15/32-32	15/32-32	15/32-32
Operating Temperature Range	-54°C to 71°C	0°C to 85°C	0°C to 85°C	0°C to 85°C	0°C to 85°C	0°C to 85°C
Electrical Life	Not specified	25,000 Cycles	25,000 Cycles	25,000 Cycles	25,000 Cycles	25,000 Cycles
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Product Status Consideration: The 12TS15-7 is classified as obsolete. All identified substitute parts from Carling Technologies are active products with current manufacturing support, ensuring long-term availability and supply chain continuity.

Compliance and Certifications: All substitute parts maintain RoHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements. The original 12TS15-7 carries RoHS compliance certification.

Current Rating Derating: Carling Technologies substitute parts are rated at 15A (6GO54 series) or 17A (6GO74 series), compared to the 20A rating of the original Honeywell part. Applications operating at or below 15A AC can use 6GO54 series parts without electrical derating. Applications requiring 17A to 20A capacity should use 6GO74-73, which provides 17A rating and represents the highest current capacity among available substitutes.

Mechanical Compatibility: All substitute parts feature identical bushing thread (15/32-32) and compatible panel cutout dimensions (12.70mm versus 12.40mm original). Actuator length increases from 16.51mm to 17.45mm; panel design must accommodate this 0.94mm extension.

Packaging Variants: 6GO54-73/SC BULK and 6GO54-78/HDW ASSM represent packaging or assembly variants of the base 6GO54 series. Selection between standard bulk packaging and assembly variants depends on procurement and integration requirements.

Frequently Asked Questions (FAQ)

Q: Can 6GO54-73 directly replace 12TS15-7 in all applications?

A: 6GO54-73 meets all circuit, voltage, mounting, and termination requirements. However, the current rating is reduced from 20A to 15A. Direct replacement is valid only for applications operating at 15A AC or below. Applications requiring 20A capacity require evaluation of 6GO74-73 (17A) or alternative sourcing.

Q: What is the significance of the panel cutout diameter difference (12.40mm vs. 12.70mm)?

A: The 0.30mm increase in panel cutout diameter for Carling parts is within standard mechanical tolerance for panel-mount switch installations. Existing panel cutouts sized for 12.40mm will accommodate the 12.70mm Carling bushing. No panel modification is required.

Q: Does the 0.94mm increase in actuator length affect panel design?

A: The actuator length increases from 16.51mm (Honeywell) to 17.45mm (Carling). Panel designs must provide sufficient clearance above the switch actuator. If the original design has minimal clearance, physical verification is required to confirm the longer actuator does not interfere with adjacent components or panel features.

Q: Are 6GO54-73, 6GO54-78, and 6GO74-73 electrically interchangeable?

A: All three parts share identical circuit configuration (DPDT), switch function (Mom-Off-Mom), voltage rating (125V AC), and termination style (Screw Terminal). The primary difference is current rating: 6GO54 series at 15A and 6GO74-73 at 17A. Selection depends on application current requirements.

Q: What is the difference between 6GO54-73 and 6GO54-73/SC BULK?

A: Both parts are electrically and mechanically identical. The "/SC BULK" designation indicates a specific packaging or supply configuration. Functional performance and electrical specifications are equivalent. Selection depends on procurement packaging requirements.

Q: What is the difference between 6GO54-78 and 6GO54-78/HDW ASSM?

A: Both parts are electrically and mechanically identical. The "/HDW ASSM" designation indicates hardware assembly inclusion. Functional performance and electrical specifications are equivalent. Selection depends on whether hardware assembly is required for the application.

Q: Are all substitute parts RoHS compliant?

A: Yes. All Carling Technologies substitute parts carry ROHS3 compliance certification, exceeding the RoHS compliance of the original Honeywell 12TS15-7. All parts are REACH unaffected.

Q: What is the operating temperature range difference?

A: The original 12TS15-7 operates from -54°C to 71°C. Carling substitute parts operate from 0°C to 85°C. Applications requiring operation below 0°C or above 85°C must evaluate compatibility against specific environmental requirements.

Q: Do all substitute parts have specified electrical life ratings?

A: Yes. All Carling Technologies substitute parts specify 25,000 cycles electrical life. The original 12TS15-7 does not provide electrical life specification in available documentation.

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