Equivalent & Substitute Parts for D4B-1111N

Part Overview

The D4B-1111N is an Omron Automation and Safety snap action switch with SPDT circuit configuration, rated for 10A AC at 120V and 6A DC at 30V. This component features a side rotary roller actuator, chassis mount configuration, and screw terminal termination with IP67 ingress protection. The product is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and new design implementations.

Key Parameters

Parameter	D4B-1111N
Manufacturer	Omron Automation and Safety
Series	D4B-N
Circuit Configuration	SPDT (DB/DM)
Switch Function	On-Mom
Current Rating (AC)	10A
Current Rating (DC)	6A
Voltage Rating (AC)	120V
Voltage Rating (DC)	30V
Actuator Type	Side Rotary, Roller
Mounting Type	Chassis Mount
Termination Style	Screw Terminal
Ingress Protection	IP67
Operating Temperature Range	-40°C to 80°C
Electrical Life	500,000 Cycles
Mechanical Life	30,000,000 Cycles
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the D4B-1111N is determined by the following critical parameters: mounting type (chassis mount), termination style (screw terminal), ingress protection rating (IP67), actuator type (side rotary roller), and environmental operating temperature range compatibility.

The substitute parts identified are GSAA04A1B, GSAB01A1B, and GSAC07A1B, all manufactured by Honeywell Sensing and Productivity Solutions from the GSA series. These alternatives share the following common attributes with the main part:

Chassis mount configuration
Screw terminal termination
IP67 ingress protection (dust tight, waterproof)
Side rotary roller actuator type
Operating temperature range of -25°C to 80°C (overlaps with D4B-1111N range)

Parameter Comparison

Parameter	D4B-1111N	GSAA04A1B	GSAB01A1B	GSAC07A1B
Manufacturer	Omron	Honeywell	Honeywell	Honeywell
Series	D4B-N	GSA	GSA	GSA
Product Status	Obsolete	Active	Active	Active
Actuator Type	Side Rotary, Roller	Side Rotary, Roller	Not specified	Not specified
Mounting Type	Chassis Mount	Chassis Mount	Chassis Mount	Chassis Mount
Termination Style	Screw Terminal	Screw Terminal	Screw Terminal	Screw Terminal
Ingress Protection	IP67	IP67	IP67	IP67
Operating Temperature	-40°C to 80°C	-25°C to 80°C	-25°C to 80°C	-25°C to 80°C
Electrical Life	500,000 Cycles	25,000 Cycles	25,000 Cycles	25,000 Cycles
Mechanical Life	30,000,000 Cycles	1,000,000 Cycles	1,000,000 Cycles	1,000,000 Cycles
RoHS Status	Not specified	RoHS Compliant	RoHS Compliant	RoHS Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

GSAA04A1B is the primary substitute candidate for applications requiring documented electrical and mechanical specifications. This part provides active product status with RoHS compliance certification, ensuring regulatory alignment for new designs and long-term availability. The DPST-NO/NC circuit configuration and specified current ratings (6A AC, 2.8A DC) must be evaluated against the original D4B-1111N requirements.

GSAB01A1B and GSAC07A1B are secondary alternatives with active product status and RoHS compliance. These parts share mechanical and environmental compatibility parameters but lack detailed electrical specifications in the provided data. Selection of these alternatives requires confirmation of circuit configuration and current rating compatibility with the application requirements.

All three Honeywell GSA series substitutes provide improved long-term availability compared to the obsolete D4B-1111N, with established supply chains and active manufacturing status.

Frequently Asked Questions (FAQ)

Q: What makes GSAA04A1B, GSAB01A1B, and GSAC07A1B suitable substitutes for D4B-1111N?

A: These parts share critical mechanical and environmental parameters: chassis mount configuration, screw terminal termination, IP67 ingress protection, side rotary roller actuator, and compatible operating temperature ranges. All three are active products from Honeywell with RoHS compliance, addressing the obsolescence of the D4B-1111N.

Q: Are there electrical specification differences between D4B-1111N and the substitute parts?

A: Yes. GSAA04A1B is rated for 6A AC and 2.8A DC, compared to D4B-1111N ratings of 10A AC and 6A DC. GSAB01A1B and GSAC07A1B lack detailed electrical specifications in available data. Application-specific current and voltage requirements must be confirmed before selection.

Q: What is the operating temperature range difference?

A: D4B-1111N operates from -40°C to 80°C, while all three Honeywell substitutes operate from -25°C to 80°C. Applications requiring operation below -25°C cannot use these alternatives.

Q: How do electrical and mechanical life ratings compare?

A: D4B-1111N provides 500,000 electrical cycles and 30,000,000 mechanical cycles. All three Honeywell substitutes provide 25,000 electrical cycles and 1,000,000 mechanical cycles. Applications with high cycle count requirements must account for these reduced ratings.

Q: What packaging options are available?

A: D4B-1111N is supplied in standard packaging. GSAC07A1B is available in bulk packaging. GSAA04A1B and GSAB01A1B packaging specifications are not detailed in the provided data.

Q: Are all substitutes RoHS compliant?

A: Yes. GSAA04A1B, GSAB01A1B, and GSAC07A1B are all RoHS compliant. The RoHS status of D4B-1111N is not specified in the provided data.

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