EM258503V Terminal Block - Equivalent & Substitute Parts

Part Overview

The EM258503V is a 3-position wire-to-board terminal block manufactured by Eaton Electronics Division, part of the Euro-Mag EM2585 series. This horizontal-mount through-hole component features side-entry wire termination with a 5.00mm pitch and is designed for applications requiring secure electrical connections with rated current capacity of 16 A at 300 V. The product is currently active in production with 814 units in stock. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits cross-manufacturer sourcing while maintaining electrical and mechanical compatibility.

Substiute Parts

EM258503V

Eaton - Electronics DivisionIn Stock: 924EM258503V Datasheet

Current PartRFQ

1711039

Phoenix ContactIn Stock: 31881711039 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the EM258503V is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Positions per level: 3
• Pitch: 0.197" (5.00mm)
• Mating orientation: Horizontal with Board
• Mounting type: Through Hole
• Wire termination method: Screw - Rising Cage Clamp
• Screw thread: M3
• Voltage rating: 300 V minimum
• RoHS3 compliance

Allowable Variation Parameters:

• Current rating: Substitute must meet or exceed 16 A
• Wire gauge range: Substitute must accommodate 12-26 AWG minimum
• Operating temperature: Substitute specifications may differ if application requirements are met
• Housing material: Thermoplastic or equivalent polymer materials acceptable

The substitute part 1711039 (Phoenix Contact COMBICON MKDS series) satisfies all mandatory matching parameters and maintains functional equivalence within the specified tolerance band.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: EM258503V (Eaton)

The EM258503V remains the preferred component when availability permits. It provides the specified 16 A current rating and operates across the full -40°C to 105°C temperature range. ROHS3 compliance and EAR99 export classification are confirmed. This part is actively produced with adequate inventory (814 units in stock).

Substitute Selection: 1711039 (Phoenix Contact)

The Phoenix Contact 1711039 terminal block is electrically and mechanically compatible for applications where the 15 A current rating is acceptable. This substitute maintains identical pitch, position count, mounting orientation, and termination method. The wider wire gauge accommodation (12-30 AWG versus 12-26 AWG) provides additional flexibility. ROHS3 compliance and EAR99 classification are confirmed. Inventory availability is higher (3083 units in stock).

Selection Criteria:

Use EM258503V when the full 16 A current capacity is required or when Eaton component standardization is mandated by design specifications.

Use 1711039 when current requirements do not exceed 15 A, when Phoenix Contact sourcing is preferred, or when supply chain optimization favors higher inventory availability.

Both parts are active products with confirmed regulatory compliance and are suitable for direct substitution within their respective current ratings.

Frequently Asked Questions (FAQ)

Q: Can the Phoenix Contact 1711039 be used as a direct replacement for the EM258503V?

A: The 1711039 is mechanically and electrically compatible for applications where the 15 A current rating meets design requirements. The 1 A reduction in current capacity is the only functional difference. If your circuit design operates at or below 15 A, substitution is valid. If your application requires the full 16 A capacity, the EM258503V must be used.

Q: Are the PCB footprints identical between these two parts?

A: Yes. Both parts share identical pitch (5.00mm), position count (3), mounting type (through hole), and screw thread specification (M3). PCB layout compatibility is confirmed.

Q: What is the difference in wire gauge accommodation?

A: The EM258503V accepts 12-26 AWG wire. The 1711039 accepts 12-30 AWG wire. The 1711039 provides broader wire gauge flexibility, accommodating thinner conductors down to 30 AWG. For standard applications using 12-26 AWG wire, both parts perform identically.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the EM258503V and 1711039 are confirmed ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the screw torque specification for each part?

A: EM258503V specifies 0.79 Nm (7.0 Lb-In) torque for M3 screws. The 1711039 specifies 0.5-0.6 Nm (4.4-5.3 Lb-In) torque for M3 screws. Use the appropriate torque value for each manufacturer's component to ensure proper termination without over-tightening.

Q: Can these parts be mixed in the same circuit board design?

A: Yes. Both parts are mechanically and electrically compatible and can coexist on the same PCB. Ensure that circuit sections using the 1711039 do not exceed 15 A current flow, while sections using the EM258503V can safely carry up to 16 A.

Q: What is the operating temperature range for the 1711039?

A: The operating temperature specification for the 1711039 was not provided in the technical data. Verify the Phoenix Contact datasheet for specific temperature range requirements before selecting this part for temperature-critical applications.