Bulgin MP0034/2 Equivalent & Substitute Parts

Part Overview

The Bulgin MP0034/2 is an anti-vandal pushbutton switch with DPST-NO/NC circuit configuration, rated for 5A at 250V AC and 2A at 28V DC. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing maintenance and new design implementations. The part features rear panel mounting with solder lug termination and mechanical durability rated at 250,000 cycles.

Substiute Parts

MP0034/2

BulginIn Stock: 1198MP0034/2 Datasheet

Current PartRFQ

MP0031/2

BulginIn Stock: 1153MP0031/2 Datasheet

MFR RecommendedRFQ

PV4DS2B0SSG

E-SwitchIn Stock: 991PV4DS2B0SSG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MP0034/2 is determined by the following critical parameters: circuit configuration (DPST-NO/NC), current and voltage ratings, mounting type, actuator characteristics, and termination style. The substitute parts identified below meet these core electrical and mechanical requirements.

Primary Substitute (Manufacturer Recommended): The Bulgin MP0031/2 is the manufacturer-recommended substitute. It maintains identical electrical specifications (DPST-NO/NC, 5A at 250V AC, 2A at 28V DC) and mechanical characteristics (round button actuator, solder lug termination). The primary difference is mounting orientation (front panel mount versus rear panel mount) and enhanced mechanical durability (1,000,000 cycles versus 250,000 cycles). The MP0031/2 also provides IP66 ingress protection and is classified as active product status.

Secondary Substitute (Cross-Manufacturer): The E-Switch PV4DS2B0SSG represents a cross-manufacturer alternative. However, this part operates under different electrical parameters: SPDT circuit configuration (versus DPST-NO/NC), 2A DC at 24V (versus 5A AC at 250V), and reduced operating temperature range (-20°C to 55°C versus -20°C to 70°C). This substitute is suitable only for applications where the lower voltage and current ratings are acceptable.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Recommended): The Bulgin MP0031/2 is the optimal substitute for the obsolete MP0034/2. Both parts maintain identical electrical ratings and circuit configuration. The MP0031/2 offers superior mechanical durability and active product status, ensuring long-term availability and supply chain stability. The primary design consideration is the change from rear panel mount to front panel mount, which requires mechanical redesign of the panel interface. Both parts are ROHS3 compliant and REACH unaffected.

For Voltage/Current Constrained Applications: The E-Switch PV4DS2B0SSG is suitable only for applications operating at 24V DC with maximum 2A current draw. This part is not suitable for 250V AC applications or where 5A AC current is required. The reduced operating temperature range (-20°C to 55°C) further limits applicability in high-temperature environments. Selection of this part requires verification that application requirements fall within its electrical and thermal specifications.

Frequently Asked Questions (FAQ)

Q: Can the MP0031/2 be used as a direct drop-in replacement for the MP0034/2? A: Electrical compatibility is complete. The MP0031/2 maintains identical circuit configuration (DPST-NO/NC), current ratings (5A AC, 2A DC), and voltage ratings (250V AC, 28V DC). The primary difference is mounting orientation: the MP0031/2 is front panel mount while the MP0034/2 is rear panel mount. Panel cutout dimensions differ slightly (19.20mm versus 18.90mm), requiring mechanical redesign of the mounting interface.

Q: What are the key differences between the Bulgin MP0031/2 and E-Switch PV4DS2B0SSG? A: The MP0031/2 and PV4DS2B0SSG differ in circuit configuration, electrical ratings, and operating range. The MP0031/2 provides DPST-NO/NC configuration with 5A AC at 250V, while the PV4DS2B0SSG provides SPDT configuration with 2A DC at 24V. The MP0031/2 operates across -20°C to 70°C; the PV4DS2B0SSG operates across -20°C to 55°C. These differences make the PV4DS2B0SSG unsuitable for high-voltage AC applications.

Q: Are all substitute parts ROHS3 compliant? A: Yes. Both the Bulgin MP0031/2 and E-Switch PV4DS2B0SSG are ROHS3 compliant and REACH unaffected, matching the compliance status of the original MP0034/2.

Q: What is the impact of the mechanical life difference between MP0034/2 and MP0031/2? A: The MP0031/2 provides 1,000,000 mechanical cycles compared to 250,000 cycles for the MP0034/2. This represents a four-fold increase in mechanical durability, extending component service life in high-cycle applications.

Q: Does the MP0031/2 provide environmental protection advantages? A: Yes. The MP0031/2 includes IP66 ingress protection (dust tight, water resistant), while the MP0034/2 does not specify ingress protection. This enhancement provides superior environmental sealing for applications exposed to moisture or particulate contamination.