SIEMENS 3NE3338-8 Square Body HRC Fuse | Replacement, Equivalent & Selection Guide
The SIEMENS 3NE3338-8 is a high-rupturing-capacity (HRC) square body fuse from the SIEMENS 3NE series, designed for industrial power distribution and motor protection applications. This page provides full technical specifications, compatible replacement models, application guidance, and a selection guide to help engineers and procurement teams make informed sourcing decisions.
Technical Specifications
- Manufacturer: SIEMENS
- Part Number / SKU: 3NE3338-8
- Series: 3NE (SITOR Square Body HRC Fuse)
- Type: Square Body HRC Fuse (gG/gL general purpose or aR semiconductor protection — confirm datasheet)
- Body Style: Square / Blade-type
- Weight: approx. 500 g
- Standards: IEC 60269, DIN VDE 0636
- Application Class: gG (general purpose) / aR (semiconductor) — verify with SIEMENS datasheet
- Mounting: Compatible with SIEMENS 3NP / 3NH fuse switch disconnectors
Note: For exact voltage, current rating, and breaking capacity, always refer to the official SIEMENS 3NE3338-8 datasheet or contact Konmask.com for technical support.
Compatible Replacement & Equivalent Models
The following models may serve as direct or functional replacements for the SIEMENS 3NE3338-8. Always verify electrical ratings before substitution:
- SIEMENS 3NE3338 — Standard variant (without -8 suffix); confirm suffix meaning with SIEMENS documentation
- SIEMENS 3NE3 Series — Other ratings within the same 3NE3 square body family
- ABB OFAF / OFAFS Series — IEC-compliant HRC fuses with equivalent square body form factor
- Eaton Bussmann BS88 / LET Series — Square body HRC fuses to IEC 60269
- Mersen (Ferraz Shawmut) NH / Square Body Series — Cross-reference available on request
⚠ Important: Replacement fuses must match voltage rating, current rating, breaking capacity, and fuse class. Contact support@konmask.com for a verified cross-reference.
Why Choose the Original SIEMENS 3NE3338-8
- ✅ Guaranteed compatibility with SIEMENS 3NP/3NH fuse switch disconnectors
- ✅ Manufactured to IEC 60269 / DIN VDE 0636 standards
- ✅ Consistent breaking capacity and time-current characteristics
- ✅ Full traceability and SIEMENS quality certification
- ✅ Minimizes risk of nuisance tripping or under-protection in critical circuits
Typical Applications
- Industrial power distribution panels and MCC (Motor Control Centers)
- Motor branch circuit protection
- Transformer and feeder protection
- Semiconductor and drive protection (aR class variants)
- Building automation and infrastructure switchgear
- Mining, oil & gas, and heavy industrial environments
System Compatibility
The SIEMENS 3NE3338-8 is designed for use with SIEMENS fuse switch disconnectors and fuse bases in the 3NP and 3NH series. It is also compatible with third-party fuse holders that accept IEC square body HRC fuses of the corresponding size class. Verify holder size (000, 00, 1, 2, 3) before ordering.
Selection Guide
Use the following criteria to confirm the 3NE3338-8 is the right fuse for your application:
- Step 1 — Load Type: Motor, transformer, capacitor, or semiconductor load?
- Step 2 — Rated Current: Match fuse In to circuit full-load current with appropriate derating
- Step 3 — Voltage Rating: Confirm AC/DC system voltage ≤ fuse rated voltage
- Step 4 — Breaking Capacity: Ensure fuse Icu ≥ prospective short-circuit current at installation point
- Step 5 — Fuse Class: gG for general purpose; aR for semiconductor/drive protection
- Step 6 — Physical Size: Confirm square body size class matches your fuse holder
- Step 7 — Standards: IEC 60269 / DIN VDE 0636 compliance required?
Not sure? Send your panel drawing or existing fuse label to support@konmask.com and our engineers will recommend the correct model.
Quality Assurance & Sourcing
Konmask.com sources SIEMENS 3NE3338-8 fuses exclusively through authorized distribution channels and verified industrial suppliers. Every unit is:
- Inspected for physical integrity and original SIEMENS packaging
- Traceable to batch/lot documentation upon request
- Covered by Konmask.com’s quality guarantee and return policy
We do not supply counterfeit, refurbished, or unmarked components. All products ship with original manufacturer markings.
How to Order
- Online: Add to cart directly on this page
- Email: support@konmask.com — include quantity, delivery address, and any project specs
- Phone / WhatsApp: +0086 19859288691
- Bulk / Project Orders: Request a formal quotation via email for volume pricing and lead time confirmation
Replacement & Compatibility FAQ
Q: Can I replace 3NE3338-8 with a 3NE3338 (without the -8 suffix)?
A: The -8 suffix typically denotes a variant (e.g., packaging, terminal style, or approval marking). Verify the suffix meaning in the SIEMENS catalog before substituting.
Q: Is the 3NE3338-8 an aR or gG fuse?
A: Confirm via the SIEMENS 3NE series catalog. The 3NE3 range includes both gG and aR classes depending on the specific part number.
Q: Can I use a third-party equivalent in a SIEMENS 3NP disconnector?
A: Physically compatible IEC square body fuses of the correct size class will generally fit, but SIEMENS recommends using original 3NE fuses to maintain system certification and warranty.
Q: What is the lead time for 3NE3338-8?
A: Contact us at support@konmask.com for real-time stock and lead time information.
Q: Do you provide a certificate of conformity?
A: Yes. Certificates of conformity and batch traceability documents are available upon request for project and OEM orders.
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Contact: support@konmask.com | +0086 19859288691
