H12WD48110 Solid State Relay SPST-NO 110A 48-660V

Part Overview

The H12WD48110 is a solid state relay (SSR) manufactured by Sensata-Crydom, configured as a single-pole single-throw normally open (SPST-NO) device rated for 110A load current at 48-660V AC output. This part is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing system maintenance. The H12WD series has been superseded by active product lines that maintain electrical and mechanical compatibility while offering improved availability and compliance certifications.

Substiute Parts

H12WD48110

Sensata-CrydomIn Stock: 1138H12WD48110 Datasheet

Current PartRFQ

84134180

Sensata TechnologiesIn Stock: 86384134180 Datasheet

MFR RecommendedRFQ

84137180

Sensata TechnologiesIn Stock: 995384137180 Datasheet

MFR RecommendedRFQ

CWD48125

Sensata-CrydomIn Stock: 700CWD48125 Datasheet

MFR RecommendedRFQ

CWD48125P

Sensata-CrydomIn Stock: 20287CWD48125P Datasheet

MFR RecommendedRFQ

HD48110

Sensata-CrydomIn Stock: 1121HD48110 Datasheet

MFR RecommendedRFQ

HD60125

Sensata-CrydomIn Stock: 823HD60125 Datasheet

MFR RecommendedRFQ

84137180N

CrouzetIn Stock: 121884137180N Datasheet

MFR RecommendedRFQ

ASR-SN600D125ZW-L

Altran Magnetics, LLCIn Stock: 750ASR-SN600D125ZW-L Datasheet

MFR RecommendedRFQ

SSR-480D125

TE Connectivity Potter & Brumfield RelaysIn Stock: 3911SSR-480D125 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the H12WD48110 is determined by the following critical parameters:

• Circuit configuration: SPST-NO (1 Form A)
• Output type: AC with zero cross switching
• Load voltage range: 48 V ~ 660 V minimum
• Input voltage range: 3 ~ 32VDC or 4 ~ 32VDC
• Package type: Hockey Puck or equivalent form factor
• Mounting: Chassis Mount
• Termination: Screw Terminal

Substitute parts must maintain compatibility across these parameters. Load current may be equal to or greater than 110A. Parts with load voltage ranges that fully encompass or exceed the 48-660V specification are acceptable. Input voltage ranges of 3-32VDC are compatible with the original 4-32VDC specification.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts are active products with current manufacturing status, ensuring long-term availability and supply chain stability compared to the obsolete H12WD48110.

For applications requiring exact current rating match at 110A, the HD48110 maintains the same load current specification. This part is manufactured by Sensata-Crydom and carries RoHS compliance. The load voltage range is 48-530V, which is narrower than the original specification; selection requires verification that the application does not exceed 530V.

For applications tolerating increased current capacity, parts rated at 125A provide additional margin. The CWD48125, CWD48125P, 84134180, 84137180, and SSR-480D125 all maintain the full 48-660V load voltage range with 125A capacity. The CWD48125 and CWD48125P are direct Sensata-Crydom products in the active CW48 series. The 84134180 and 84137180 are Sensata Technologies equivalents in the GN series. The SSR-480D125 is a TE Connectivity Potter & Brumfield product.

The HD60125 offers 125A capacity with extended input voltage range (3-32VDC) and full 48-660V load voltage compatibility, manufactured by Sensata-Crydom with ROHS3 compliance.

The 84137180N (Crouzet) and ASR-SN600D125ZW-L (Altran Magnetics) are alternative-source options. The 84137180N maintains Hockey Puck form factor and full electrical specifications. The ASR-SN600D125ZW-L uses a Module package form factor and has a lower minimum load voltage of 24V; this part is suitable only for applications where the 24V minimum does not conflict with system requirements.

Frequently Asked Questions (FAQ)

Q: Can the H12WD48110 be directly replaced with any of these substitute parts?

A: Direct replacement depends on application voltage and current requirements. Parts with identical or higher load current ratings and load voltage ranges that encompass or exceed 48-660V are electrically compatible. The CWD48125, CWD48125P, 84134180, 84137180, HD60125, and SSR-480D125 provide full compatibility. The HD48110 is compatible for applications not exceeding 530V load voltage. The 84137180N and ASR-SN600D125ZW-L are compatible with the same electrical constraints.

Q: What is the difference between CWD48125 and CWD48125P?

A: Both parts are rated identically at 125A, 48-660V load voltage, and 4-32VDC input. The CWD48125P is designated as a variant of the base CWD48125 product. Electrical and mechanical specifications are equivalent; selection between them depends on packaging and inventory availability.

Q: Why does the HD48110 have a lower maximum load voltage (530V vs. 660V)?

A: The HD48110 is part of the HD48 series, which has a maximum load voltage specification of 530V. Applications requiring operation above 530V must use parts with 660V maximum rating, such as CWD48125, CWD48125P, 84134180, 84137180, HD60125, 84137180N, or SSR-480D125.

Q: Is the ASR-SN600D125ZW-L suitable as a substitute?

A: The ASR-SN600D125ZW-L is electrically compatible but uses a Module package form factor instead of Hockey Puck. It has a lower minimum load voltage of 24V, which is acceptable for applications operating at or above 48V. Mechanical mounting and terminal compatibility must be verified before selection.

Q: What compliance certifications should I prioritize?

A: The original H12WD48110 carries RoHS compliance. Most active substitutes carry ROHS3 compliance, which represents an updated standard. The HD48110 and 84137180N maintain RoHS compliance. All listed parts meet the ECCN EAR99 classification. REACH compliance status varies; parts marked REACH Affected include CWD48125, CWD48125P, HD60125, 84134180, 84137180, and SSR-480D125.