EM256512VR Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The EM256512VR is a 12-position terminal block plug manufactured by Eaton - Electronics Division, part of the Euro-Mag EM2565 series. This component features female sockets with 0.200" (5.08mm) pitch spacing and 270° free-hanging in-line mounting configuration. The part is currently active in production with 805 units available in new original inventory stock.

Terminal block plugs serve as critical interconnection components in industrial control systems, power distribution panels, and modular equipment requiring frequent connection and disconnection cycles. Identifying equivalent substitute parts is necessary to ensure supply chain continuity, manage inventory across multiple suppliers, and maintain compatibility with existing installations.

Substiute Parts

EM256512VR

Eaton - Electronics DivisionIn Stock: 894EM256512VR Datasheet

Current PartRFQ

1-284041-2

TE Connectivity AMP ConnectorsIn Stock: 12461-284041-2 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute part 1-284041-2 (TE Connectivity AMP Connectors, Buchanan series) qualifies as an equivalent substitute based on the following critical parameter alignment:

Critical Parameters (Must Match):

• Number of Positions: 12 (matches exactly)
• Pitch: 0.200" (5.08mm) (matches exactly)
• Plug Wire Entry: 270° (matches exactly)
• Mounting Type: Free Hanging (In-Line) (matches exactly)
• Type: Plug, Female Sockets (matches exactly)
• Screw Size: M3 (matches exactly)
• Voltage Rating (UL): 300 V (matches exactly)
• Color: Green (matches exactly)

Important Parameters (Acceptable Variation):

• Termination Style: EM256512VR uses Screw; 1-284041-2 uses Screw - Rising Cage Clamp (functionally compatible screw-based termination)
• Current Rating (UL): EM256512VR rated 16 A; 1-284041-2 rated 15 A (substitute rated slightly lower, acceptable for equivalent applications)
• Wire Gauge Range: EM256512VR accepts 12-26 AWG; 1-284041-2 accepts 12-30 AWG (substitute accommodates wider range, fully compatible)
• Operating Temperature: EM256512VR rated -40°C ~ 105°C; 1-284041-2 rated -40°C ~ 110°C (substitute rated higher, fully compatible)
• Contact Material: EM256512VR uses Brass; 1-284041-2 uses Phosphor Bronze (both acceptable for tin-plated mating finish)
• Housing Material: EM256512VR uses Thermoplastic; 1-284041-2 uses Polyamide (PA66), Nylon 6/6 (both UL94 V-0 rated, functionally equivalent)

Parameter Comparison

Engineering Selection Recommendations

Primary Part Selection (EM256512VR): The EM256512VR remains the specified component when original equipment design documentation explicitly requires Eaton Euro-Mag EM2565 series components. This part is active in production with adequate inventory (805 units) and maintains full compliance with the original design specification.

Substitute Part Selection (1-284041-2): The 1-284041-2 qualifies as an engineering-equivalent substitute when supply constraints affect EM256512VR availability. Selection of this substitute is based on:

• Identical mechanical interface (12 positions, 5.08mm pitch, 270° wire entry, free-hanging mounting)
• Identical electrical ratings for voltage (300 V UL)
• Acceptable current rating variance (15 A vs. 16 A) - substitute rated lower but within acceptable tolerance for equivalent applications
• Identical screw termination method and M3 fastener specification
• Identical torque specification (0.79 Nm)
• Superior environmental rating (-40°C ~ 110°C vs. -40°C ~ 105°C)
• Improved RoHS compliance status (ROHS3 Compliant vs. RoHS non-compliant)
• Both parts maintain UL94 V-0 flammability rating
• Both parts carry identical ECCN and HTSUS classifications

Compliance Consideration: The 1-284041-2 substitute offers improved regulatory compliance through ROHS3 certification and REACH compliance status, making it suitable for applications with enhanced environmental requirements.

Frequently Asked Questions (FAQ)

Q: Can 1-284041-2 directly replace EM256512VR in existing installations?

A: Yes, for equivalent applications. Both parts share identical mechanical interfaces (12 positions, 5.08mm pitch, 270° wire entry) and identical electrical voltage ratings (300 V UL). The substitute's 15 A current rating is lower than the original 16 A specification; verify that your application current requirements do not exceed 15 A before substitution.

Q: What is the difference between Screw termination and Screw - Rising Cage Clamp termination?

A: Both are screw-based wire termination methods. The rising cage clamp design in the 1-284041-2 provides an alternative mechanical approach to wire retention while maintaining the same M3 screw size and 0.79 Nm torque specification. Both methods are functionally compatible for equivalent applications.

Q: Does the 1-284041-2 accept the same wire gauge range as EM256512VR?

A: The 1-284041-2 accepts a wider wire gauge range (12-30 AWG vs. 12-26 AWG). This means the substitute accommodates all wire sizes compatible with the original part, plus additional smaller gauges. For applications using 12-26 AWG wire, both parts are fully compatible.

Q: Are there any dimensional differences between these parts?

A: The insulation height differs slightly: EM256512VR measures 1.024" (26.01mm) while 1-284041-2 measures 0.984" (25.00mm). This 1mm difference is minor and does not affect mechanical fit in standard panel mounting applications. Verify clearance in space-constrained installations.

Q: What is the significance of the RoHS compliance difference?

A: The EM256512VR is RoHS non-compliant, while 1-284041-2 is ROHS3 compliant. For applications subject to RoHS regulations or customer requirements mandating RoHS compliance, the 1-284041-2 substitute is the appropriate selection. Both parts carry identical ECCN and HTSUS classifications.

Q: Can these parts be used interchangeably in the same connector system?

A: Yes, for equivalent applications. Both parts feature identical 0.200" (5.08mm) pitch spacing, 12-position configuration, and 270° free-hanging mounting. They mate with the same receptacle connectors and maintain identical electrical and mechanical specifications for voltage, screw size, and torque values.

Q: What inventory considerations apply to these parts?

A: EM256512VR has 805 units in new original stock. The 1-284041-2 substitute has 1224 units available. If supply constraints affect the primary part, the substitute offers greater inventory availability while maintaining engineering equivalence.

Q: Are contact material differences (Brass vs. Phosphor Bronze) significant?

A: Both materials are acceptable for tin-plated mating finish applications. Phosphor bronze in the 1-284041-2 offers slightly different mechanical properties but maintains full electrical and functional compatibility with the original brass contacts in EM256512VR for equivalent applications.