Solderless Terminals · Non-insulated terminal series
Engineering summary for RNB5.5-4S
RNB5.5-4S is a ring listed in ZUCH’s Non-insulated terminal series under the Solderless Terminals product line. The published record identifies crimping range 10-12AWG, bolt size M4, material Copper, usage environment -40°~105°. Confirm the drawing and mating set before approving a harness, PCB or equipment BOM.
Application review
Where this connector may be evaluated
ZUCH publishes solution areas for engineering review. They are not proof that RNB5.5-4S is approved for a specific platform. Confirm current, mating and validation requirements.




Supplier context
Engineering and manufacturing behind ZUCH
Company-level engineering, laboratory and manufacturing information can help buyers assess supplier capability. Supplier-reported statements do not replace product-specific qualification.
ZUCH states that it was founded in 1994 and operates as a group with 10 subsidiaries and three major production bases.
ZUCH reports more than 100 R&D staff, more than 150 authorized patents, a CNAS laboratory and a UL witness laboratory. Confirm scope and current validity.
ZUCH describes CCD online inspection and WMS/WCS logistics working with SAP, MES and SCADA systems.
Published product facts
RNB5.5-4S specifications
Values below are transcribed from the current ZUCH product record. A slash or missing value is not treated as a specification.
| Product line | Solderless Terminals |
|---|---|
| Series | Non-insulated terminal series |
| Specifications models | RNB5.5-4S |
| Type | Ring |
| Manufacturing code | RNB5.5-4S-4302 |
| Crimping range | 10-12AWG |
| Bolt size | M4 |
| Material | Copper |
| Surface treatment | Bright Tin-plated |
| Usage environment | -40°~105° |
Frequently asked questions
RNB5.5-4S FAQ
What is RNB5.5-4S and which connector type is it?
RNB5.5-4S is listed as a ring in ZUCH’s Non-insulated terminal series under the Solderless Terminals product line.
Which wire range, current or interface should I confirm?
The published record identifies crimping range 10-12AWG, bolt size M4. Confirm the latest drawing and the mating component before selection.
How do I choose the wire range, current or voltage for this connector?
This record publishes crimping range 10-12AWG, bolt size M4; use the current drawing and project specification rather than inferring limits from a similar model.
How do I choose the mating housing, retainer or terminal set?
The public record does not establish a universal mating part. Confirm the matching housing, retainer, terminal set, keying and drawing revision with ZUCH before ordering.
Can RNB5.5-4S be used in an automotive wire harness?
Automotive connector searches are a relevant application route, but this page does not prove vehicle-platform qualification for the model. Confirm the applicable standard, validation plan, environment and mating system.
What should I confirm before ordering this connector?
Confirm model RNB5.5-4S, manufacturing code RNB5.5-4S-4302, mating components, electrical limits, mechanical dimensions, operating environment, drawing revision, quantity and required documents.
Project enquiry
Request a model-specific quote
Send the exact model and project inputs so ZUCH can confirm unpublished specifications, document revisions and purchasing terms.
- Exact model and expected quantity
- Mating part, wire range or interface
- Electrical and environmental requirements
- Destination market and required documents
Zhejiang ZUCH Technology Co., Ltd.