Question 1

How to choose the correct component model？

Accepted Answer

We provide the brands and related parameters of components for you to choose from on the Circuit Breakers category page. You can select the model you want based on the above.

Question 2

What are the main brands Circuit Breakers?

Accepted Answer

Typical parameters include 3M Electronics, Aim Dynamics, AIRPAX / Sensata, Altech Corporation, American Electrical Inc., Amphenol LTD, APM Hexseal, Artesyn Embedded Technologies...

Question 3

How to choose between different Circuit Breakers brands?

Accepted Answer

1. Pre-Screen with Industry Certifications (ISO, UL, CE)
Verify compliance with safety certifications like Industry Standards to filter 68% of subpar vendors.
2. Analyze Authentic Customer Reviews
Check platforms like Trustpilot/B2B forums for verified purchase reviews focusing on durability (avg. 4.2★+ recommended).
3. Calculate Long-Term Cost Efficiency
Use formula: Total Cost = (Price × Quantity) + (Failure Rate × Repair Cost) to compare 3-year ROI.
4. Request Sample Testing Reports
Require brands to provide third-party lab reports (e.g., SGS/BV) covering [Such as Brand:3M Electronics, Aim Dynamics, AIRPAX / Sensata]. 5. Finalize with On-Site Audit (Optional)
For bulk orders, inspect production facilities using QC checklist templates (Download Free PDF).

Part Number	Manufacturer	Description	Quantity	Unit Price	Operations
R21-4-5.00A-B06IV-V Datasheet	Waldom Electronics	R21-4-5.00A-B06IV-V	Availability:1513	3+ $52.3200	min:1
MOCB-24-V-10A Datasheet	OptiFuse	VER. BRACKET-TYPE II MOD,10A 24V	Availability:2111	10+ $22.8480 250+ $19.0400 500+ $10.0800 750+ $7.1000 1000+ $6.9600	min:1
4420.0262 Datasheet	Schurter	CIR BRKR THRM MAG 20A 277V 65V	Availability:1554	1+ $35.0100 5+ $29.0412 10+ $26.7912 50+ $22.1886	min:1
MOCB-24-H-15A Datasheet	OptiFuse	HOR. BRACKET-TYPE II MOD,15A 24V	Availability:2347	10+ $22.8480 250+ $19.0400 500+ $10.0800 750+ $7.1000 1000+ $6.9600	min:1
4420.0232 Datasheet	Schurter	CIR BRKR THRM MAG 25A 277V 65V	Availability:1266	1+ $77.9800 5+ $66.9800 10+ $56.9200 50+ $49.9800 100+ $46.8600	min:1
MOCB-24-H-10A Datasheet	OptiFuse	HOR. BRACKET-TYPE II MOD,10A 24V	Availability:1908	10+ $22.8480 250+ $19.0400 500+ $10.0800 750+ $7.1000 1000+ $6.9600	min:1
4420.0233 Datasheet	Schurter	CIR BRKR THRM MAG 30A 277V 65V	Availability:1803	1+ $77.9800 5+ $66.9800 10+ $56.9200 50+ $49.9800 100+ $46.8600	min:1
MOCB-24-H-40A Datasheet	OptiFuse	HOR. BRACKET-TYPE II MOD,40A 24V	Availability:1315	10+ $22.8480 250+ $19.0400 500+ $10.0800 750+ $7.1000 1000+ $6.9600	min:1
4420.0597 Datasheet	Schurter	CIR BRKR THRM MAG 12A 277V 65V	Availability:1508	1+ $77.8000 5+ $64.5360	min:1
MOCB-24-N-50A Datasheet	OptiFuse	NO BRACKET-TYPE II MOD, 50A 24V	Availability:2486	10+ $22.8480 250+ $19.0400 500+ $10.0800 750+ $7.1000 1000+ $6.9600	min:1

Circuit Breakers Components

FAQ