DM30-GY Terminal Block Connector Equivalent & Substitute Parts

Part Overview

The DM30-GY is a 2-position feed-through terminal block connector manufactured by Eaton - Bussmann Electrical Division, part of the Magnum® DM series. This component is designed for screw termination of conductors in the 10-22 AWG range with electrical ratings of 32 A (IEC) / 30 A (UL) and 500 V (IEC) / 300 V (UL). The product is currently obsolete, making identification of functionally equivalent alternatives necessary for ongoing maintenance, repair, and system continuity applications.

Substiute Parts

DM30-GY

Eaton - Bussmann Electrical DivisionIn Stock: 1038DM30-GY Datasheet

Current PartRFQ

9203060000

WeidmüllerIn Stock: 9289203060000 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DM30-GY is determined by strict equivalence across the following critical parameters:

• Electrical Compatibility: Current and voltage ratings must meet or exceed the original specifications (32 A IEC / 30 A UL minimum; 500 V IEC / 300 V UL minimum)
• Physical Configuration: 2-position, 1-level feed-through design with 6.1 mm terminal width
• Termination Method: Screw termination required
• Wire Gauge Acceptance: Must accommodate 10-22 AWG (0.5-4 mm² minimum range)
• Regulatory Compliance: UL94 V-0 flammability rating and RoHS compliance required

The Weidmüller 9203060000 meets all substitution criteria. While it differs in color (blue vs. gray) and insulation material composition (thermoplastic/Wemid vs. polyamide), these are non-functional variations. The Weidmüller part exceeds the original specifications in voltage rating (600 V UL vs. 300 V UL) and wire gauge range (0.5-6 mm² vs. 0.5-4 mm²), providing enhanced capability within the same form factor and termination interface.

Parameter Comparison

Engineering Selection Recommendations

The Weidmüller 9203060000 is a direct functional substitute for the obsolete DM30-GY. Both components maintain identical electrical performance within their respective standards (IEC and UL), share the same physical footprint and terminal geometry, and comply with equivalent regulatory requirements.

The Weidmüller part carries active product status, ensuring ongoing availability and supply chain continuity. Both components are RoHS compliant and carry UL94 V-0 flammability certification, meeting modern regulatory and safety standards.

The enhanced voltage rating (600 V UL) and expanded wire gauge range (0.5-6 mm²) of the Weidmüller substitute provide additional design margin without introducing incompatibility. The difference in insulation material (thermoplastic/Wemid vs. polyamide) and color (blue vs. gray) does not affect electrical or mechanical function within the specified operating parameters.

Frequently Asked Questions (FAQ)

Q: Can the Weidmüller 9203060000 directly replace the DM30-GY in existing installations?

A: Yes. Both components share identical 2-position, 1-level feed-through configuration with 6.1 mm terminal width and screw termination. Electrical ratings (32 A IEC / 30 A UL; 500 V IEC / 300 V UL) are equivalent, and both accept 10-22 AWG conductors. Physical and electrical compatibility is confirmed.

Q: Does the color difference (gray vs. blue) affect functionality?

A: No. Color is a visual identifier only and does not impact electrical performance, current capacity, voltage rating, or mechanical interface. Selection between colors is based on system documentation or labeling requirements.

Q: Why does the Weidmüller part have a higher voltage rating (600 V UL vs. 300 V UL)?

A: The Weidmüller 9203060000 is rated for 600 V UL, exceeding the original DM30-GY specification of 300 V UL. This enhanced rating provides additional design margin and does not create incompatibility. The component remains suitable for applications requiring 300 V UL or lower.

Q: Are there differences in wire gauge acceptance between the two parts?

A: The Weidmüller part accepts 0.5-6 mm² (10-22 AWG), while the DM30-GY accepts 0.5-4 mm² (10-22 AWG). Both accommodate the full 10-22 AWG range. The Weidmüller part's expanded upper limit (6 mm² vs. 4 mm²) provides additional flexibility without affecting compatibility with the original specification.

Q: Are both components RoHS compliant?

A: Yes. Both the DM30-GY and Weidmüller 9203060000 are RoHS compliant and carry UL94 V-0 flammability certification, meeting current regulatory requirements.

Q: What is the packaging difference between these parts?

A: The DM30-GY is supplied in standard packaging, while the Weidmüller 9203060000 is supplied in bulk packaging. Bulk packaging does not affect component function or electrical performance.