HC4D-HPL-AC200V Equivalent & Substitute Parts

Part Overview

The HC4D-HPL-AC200V is a general purpose relay manufactured by Panasonic Electric Works, featuring a 4PDT (4 Form C) contact configuration with a 200VAC coil. This through-hole mounted relay is designed for applications requiring multiple independent switching circuits with a 3A contact rating at 250VAC maximum switching voltage. The product is currently obsolete, making identification of compatible substitute components essential for system maintenance, repair, and redesign applications.

Substiute Parts

HC4D-HPL-AC200V

Panasonic Electric WorksIn Stock: 1137HC4D-HPL-AC200V Datasheet

Current PartRFQ

LY4-0-AC200/220

Omron Automation and SafetyIn Stock: 1029LY4-0-AC200/220 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HC4D-HPL-AC200V is determined by the following critical parameters:

Contact Configuration: The 4PDT (4 Form C) contact form is mandatory for functional equivalence, as it provides four independent switching circuits required by the original design.

Coil Voltage Class: The 200VAC coil voltage establishes the primary control signal requirement. Substitutes operating at 220VAC fall within the same voltage class, as the must-operate voltage (160VAC for HC4D-HPL-AC200V, 176VAC for LY4-0-AC200/220) and must-release voltage specifications confirm functional compatibility within typical AC supply tolerances.

Contact Rating: The original part specifies 3A at 250VAC maximum switching voltage. Substitute parts with equal or higher contact ratings (10A in the LY4-0-AC200/220) maintain backward compatibility for the same application circuits.

Mounting and Termination: Through-hole mounting is preserved in the substitute. Termination style differences (Plug In, 14 Pin vs. PC Pin) require mechanical evaluation during integration.

Coil Type: Non-latching operation is maintained across all substitutes to preserve control behavior.

Parameter Comparison

Engineering Selection Recommendations

The LY4-0-AC200/220 is an active substitute for the obsolete HC4D-HPL-AC200V. Both relays share identical contact configuration (4PDT), coil type (non-latching), and moisture sensitivity classification. The LY4-0-AC200/220 operates at 220VAC, which is compatible with the 200VAC original specification within standard AC supply voltage tolerances. The substitute provides superior contact rating (10A vs. 3A), expanded switching voltage capability (250VAC and 125VDC vs. 250VAC only), and RoHS compliance status.

Mechanical integration requires evaluation of termination style differences: the original uses plug-in connectors while the substitute uses PC pins. Operating temperature range is narrower in the substitute (-25°C to 40°C vs. -50°C to 60°C), which must be verified against application requirements. Timing characteristics show minor increases (25ms vs. 20ms for both operate and release times), which are acceptable for general purpose relay applications.

Frequently Asked Questions (FAQ)

Q: Can the LY4-0-AC200/220 directly replace the HC4D-HPL-AC200V without circuit modifications?

A: Functional substitution is supported for the relay control circuit. The 4PDT contact configuration, non-latching coil type, and 200/220VAC voltage class ensure equivalent switching behavior. However, mechanical integration requires adapter consideration due to termination style differences (plug-in vs. PC pin).

Q: What are the voltage compatibility limits between 200VAC and 220VAC coil specifications?

A: The HC4D-HPL-AC200V must operate at 160VAC minimum and release at 60VAC maximum. The LY4-0-AC200/220 must operate at 176VAC minimum and release at 66VAC maximum. Both specifications are satisfied within standard AC supply voltage ranges (typically 200-240VAC), confirming functional compatibility.

Q: Does the higher contact rating of the LY4-0-AC200/220 (10A vs. 3A) affect circuit design?

A: The substitute's higher contact rating provides increased current capacity without requiring circuit modifications. Applications designed for 3A operation remain fully compatible. The higher rating does not introduce compatibility issues.

Q: Are there temperature range limitations when substituting?

A: The LY4-0-AC200/220 operates within -25°C to 40°C, compared to the original -50°C to 60°C range. Applications requiring operation below -25°C or above 40°C must retain the original specification or identify alternative substitutes with extended temperature ratings.

Q: What is the impact of the 5ms increase in operate and release times?

A: Both relays increase from 20ms to 25ms for operate and release times. This 5ms difference is negligible for general purpose relay applications and does not typically affect system performance in standard industrial control circuits.

Q: How do the different contact materials affect reliability?

A: The original uses Silver Nickel and Gold contacts; the substitute uses Silver Alloy contacts. Both materials are standard for general purpose relay applications. Contact material selection does not prevent substitution for equivalent electrical performance.