Bulgin MP0025 Equivalent & Substitute Parts

Part Overview

The Bulgin MP0025 is a DPST pushbutton switch rated for 5A at 250V AC and 2A at 28V DC, designed for anti-vandal panel mount applications with rear mounting configuration. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and component procurement.

Substiute Parts

MP0025
BulginIn Stock: 825MP0025 Datasheet
MP0025
Current Part
MPB031
BulginIn Stock: 911MPB031 Datasheet
MPB031
MFR Recommended

Key Parameters

Parameter Value
Manufacturer Part Number MP0025
Manufacturer Bulgin
Circuit Configuration DPST-NO/NC
Switch Function On-Mom, Off-Mom
Current Rating (AC) 5A
Current Rating (DC) 2A
Voltage Rating (AC) 250V
Voltage Rating (DC) 28V
Mounting Type Panel Mount
Type Anti-Vandal
Actuator Type Round, Button, Flush
Termination Style Solder Lug
Operating Temperature Range -20°C to 70°C
Mechanical Life 1,000,000 Cycles
Electrical Life 35,000 Cycles
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the MP0025 is determined by strict equivalence across electrical and mechanical parameters. The primary substitute, Bulgin MPB031, maintains functional compatibility through identical circuit configuration (DPST-NO/NC), switch function (On-Mom, Off-Mom), current ratings (5A AC / 2A DC), voltage ratings (250V AC / 28V DC), actuator type (Round, Button, Flush), termination style (Solder Lug), and operating temperature range (-20°C to 70°C).

Key parameters governing substitution:

  • Dual-pole, dual-throw circuit with normally open and normally closed contacts
  • 5A AC / 2A DC current capacity
  • 250V AC / 28V DC voltage ratings
  • Anti-vandal panel mount configuration
  • Solder lug termination
  • Identical mechanical and electrical life specifications

Parameter Comparison

Parameter MP0025 (Main Part) MPB031 (Substitute)
Manufacturer Bulgin Bulgin
Product Status Obsolete Active
Circuit Configuration DPST-NO/NC DPST-NO/NC
Switch Function On-Mom, Off-Mom On-Mom, Off-Mom
Current Rating (AC) 5A 5A
Current Rating (DC) 2A 2A
Voltage Rating (AC) 250V 250V
Voltage Rating (DC) 28V 28V
Mounting Type Panel Mount, Rear Panel Mount, Front
Type Anti-Vandal Anti-Vandal
Actuator Type Round, Button, Flush Round, Button, Flush
Color - Actuator/Cap Silver Silver
Termination Style Solder Lug Solder Lug
Operating Temperature -20°C to 70°C -20°C to 70°C
Mechanical Life 1,000,000 Cycles 1,000,000 Cycles
Electrical Life 35,000 Cycles 35,000 Cycles
RoHS Status ROHS3 Compliant ROHS3 Compliant
Ingress Protection Not specified IP66 - Dust Tight, Water Resistant
Panel Cutout Diameter 22.60mm 19.20mm

Engineering Selection Recommendations

The Bulgin MPB031 is the designated substitute for the obsolete MP0025. Both parts are manufactured by Bulgin and maintain identical electrical specifications, circuit topology, and mechanical life ratings. The MPB031 carries active product status, ensuring ongoing availability and supply chain continuity.

The MPB031 provides enhanced ingress protection (IP66) compared to the MP0025, offering superior environmental sealing for dust and moisture resistance. This represents a functional improvement without compromising electrical or mechanical compatibility.

Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for industrial and commercial applications.

The primary design consideration is panel cutout diameter: the MP0025 requires a 22.60mm circular opening, while the MPB031 requires a 19.20mm opening. Panel modifications may be necessary if retrofitting the substitute into existing enclosures designed for the original part.

Frequently Asked Questions (FAQ)

Q: Can the MPB031 directly replace the MP0025 in existing applications?

A: Electrical and mechanical functionality are fully compatible. The MPB031 maintains identical circuit configuration, current and voltage ratings, actuator type, and termination style. Panel cutout diameter differs (22.60mm vs. 19.20mm), requiring mechanical adaptation if retrofitting into existing panel assemblies.

Q: What is the significance of the mounting type difference (rear vs. front)?

A: Mounting type refers to the orientation of the switch body relative to the panel. Rear mounting positions the switch body behind the panel, while front mounting positions it in front. This affects installation geometry and may require different panel cutout configurations or mounting hardware.

Q: Does the IP66 rating on the MPB031 affect compatibility?

A: No. The IP66 ingress protection rating on the MPB031 represents an enhancement over the unspecified rating on the MP0025. This provides superior environmental sealing without altering electrical performance or mechanical interface requirements.

Q: Are there packaging differences between these parts?

A: The MP0025 is supplied in standard packaging, while the MPB031 is supplied in bulk packaging. This affects procurement quantities and handling but does not impact component functionality or performance.

Q: What compliance certifications apply to both parts?

A: Both the MP0025 and MPB031 are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and use in industrial applications.

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