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WEG
WEG NRBE 63 A 4-Pole 300 mA RCCB Industrial Earth Fault Protection
Model: NRBE-063-4-300MA
4-hour response · Pricing in SAR · Delivery across all KSA regions
WEG NRBE 63 A 4-Pole 300 mA RCCB Industrial Earth Fault Protection
The WEG NRBE 63 A 4-Pole 300 mA is an industrial residual current circuit breaker providing fire-protection level earth leakage detection at the 300 mA sensitivity level. The 300 mA trip threshold is the standard for upstream (feeder level) earth fault protection where the function is to detect earth faults that could cause fires through sustained arcing or resistive earth faults in wiring and connections — a recognised fire risk in Saudi industrial facilities where cable routing through hot, dusty environments can degrade cable insulation over time.
Fire-Protection Earth Fault Detection
IEC 60364-4-41 and IEC 60364-5-53 recognise the dual-level RCCB scheme: 30 mA devices at the final circuit level for life-safety, and 300 mA devices at distribution board incomers for fire protection. The 300 mA device does not trip on small leakage currents from multiple appliances and cables in normal operation, avoiding nuisance tripping in industrial environments where multiple circuits with moderate leakage are present. Saudi Aramco electrical installation standards and SASO 179 align with this dual-level approach.
Saudi Industrial Applications
The NRBE 63 A 4-pole 300 mA is installed at the incomers of industrial sub-distribution boards in Saudi petrochemical plants, hospitals, hotels, airports, and commercial buildings. It provides coordinated earth fault protection in the distribution hierarchy: the 300 mA upstream device coordinates with 30 mA downstream devices, ensuring only the faulted circuit is isolated while healthy circuits continue supplying power — an important selectivity requirement in Saudi Aramco and hospital facilities where partial power loss must be minimised. Razz Middle East supplies NRBE series RCCBs with full IEC documentation for Saudi electrical installation projects.
Technical Specifications
Full specifications for the NRBE-063-4-300MA
- Rated Current
- 63 A
- Poles
- 4
- Residual Current Sensitivity
- 300 mA
- Trip Type
- Type AC
- Rated Voltage
- 400 V AC
- Breaking Capacity
- 10 kA (conditional short-circuit)
- Standard
- IEC 61008-1
- Function
- Fire protection level earth fault
- Mounting
- DIN Rail 35 mm
Key Features & Benefits
- 300 mA fire-protection sensitivity level
- Incomer RCCB for distribution board hierarchy
- Coordinates with downstream 30 mA RCCBs
- 4-pole for three-phase distribution board
- IEC 61008-1 certified
- DIN-rail compact mounting
Industrial Applications in Saudi Arabia
- Industrial distribution board incomer protection
- Fire-protection earth fault at feeder level
- Aramco facility sub-panel earth fault protection
- Hospital distribution board incomers
- Commercial building incomer earth fault
- Selective coordination in Saudi electrical systems
Industrial Supplier in Saudi Arabia
Get a Quote for the WEG NRBE 63 A 4-Pole 300 mA RCCB Industrial Earth Fault Protection
We respond within 4 business hours. Send model NRBE-063-4-300MA for competitive pricing in SAR with delivery across Saudi Arabia and the GCC.
Frequently Asked Questions — NRBE-063-4-300MA
Common questions from buyers in Saudi Arabia and the GCC
What is the WEG NRBE 63 A 4-Pole 300 mA RCCB Industrial Earth Fault Protection (NRBE-063-4-300MA) and what is it used for?
The WEG NRBE 63 A 4-Pole 300 mA is an industrial residual current circuit breaker providing fire-protection level earth leakage detection at the 300 mA sensitivity level. The 300 mA trip threshold is the standard for upstream (feeder level) earth fault protection where the function is to detect earth faults that could cause fires through sustained arcing or resistive earth faults in wiring and connections — a recognised fire risk in Saudi industrial facilities where cable routing through hot, dusty environments can degrade cable insulation over time.
Where can I buy the WEG NRBE-063-4-300MA in Saudi Arabia?
Razz Middle East supplies genuine WEG products including the WEG NRBE 63 A 4-Pole 300 mA RCCB Industrial Earth Fault Protection (NRBE-063-4-300MA) across all regions of Saudi Arabia — Riyadh, Jeddah, Dammam, Al Khobar, Jubail, Yanbu, Mecca, and Medina. We source fast-moving items to order and can source specialist configurations. Request a quote on this page for same-day pricing.
How do I get the best price for the NRBE-063-4-300MA in KSA?
Click "Request Free Quote" on this page or message us the model number NRBE-063-4-300MA on WhatsApp. Our technical sales team responds within 4 business hours with a competitive price in SAR and a confirmed delivery lead time — with no hidden charges or handling fees.
Is Razz Middle East an authorized WEG distributor in Saudi Arabia?
Yes. Razz Middle East is an authorized WEG distributor in Saudi Arabia, supplying genuine OEM product with full manufacturer warranty and documentation to the oil & gas, petrochemical, power generation, water, construction and manufacturing sectors across the Kingdom.
What is the delivery lead time for the WEG NRBE 63 A 4-Pole 300 mA RCCB Industrial Earth Fault Protection in Saudi Arabia?
Items are sourced to order and delivered duty-paid, typically 2-3 weeks, to Riyadh, Dammam, Jeddah and the Eastern Province. Project orders and non-standard configurations can take longer. Contact us with the exact model number NRBE-063-4-300MA to confirm the lead time for your quantity.
Can the NRBE-063-4-300MA be supplied for ARAMCO, SABIC, or NEOM projects in KSA?
Yes. Razz Middle East has experience supplying WEG equipment to major industrial projects and EPC contractors across Saudi Arabia. We can provide full technical documentation, Material Inspection Reports (MIR), and certificates of conformity to meet vendor approval requirements. Contact our project team to discuss your specific project requirements.
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