شينت RCCB NBHLE-40Y-1PC32

CHINT NBHLE-40Y-1PC32 is a 1P+N two-pole residual current circuit breaker (RCCB) specially designed for household and small-to-medium engineering applications. It integrates overload, short-circuit, and leakage protection functions, suitable for AC 50Hz/60Hz circuits with a rated voltage of 230V. Below is its core information and application guidelines:

1. Core Technical Parameters
2. تصنيف الخصائص الحالية والرحلة

التصنيف الحالي: 32أ, suitable for conventional loads such as lighting, مآخذ, and small air conditioners, supporting up to approximately 7kW single-phase devices (على سبيل المثال, instantaneous water heaters).

Default Type C trip characteristic (instantaneous trip at 5-10 times rated current), ideal for resistive loads (على سبيل المثال, مصابيح, electric heaters); for inductive loads like motors, النوع د (instantaneous trip at 10-14 مرات) is available.

2. Leakage Protection and Breaking Capacity

30mA leakage action current, rapidly cutting off faulty circuits within 0.1 ثواني, متوافق مع IEC 61009-1 and GB/T 16917.1 standards to prevent electric shock and fire risks.

كسر القدرة: 6ال, capable of handling common household short-circuit currents (typically 2-4kA) to ensure safe power disconnection.

3. Electrical Performance and Certifications

– الجهد المقنن: 230V, operating temperature range: -5°C to +70°C, IP20 protection grade, resistant to moisture and dust.

– Certified by CCC and compliant with CE standards, ensuring reliable quality.

1. سيناريوهات التطبيق النموذجية
2. Household Power Distribution Systems

Branch Circuit Protection: Socket circuits in humid areas like kitchens and bathrooms to prevent safety accidents from leakage. على سبيل المثال, electric water heaters (3-8KW) can directly use a 32A circuit breaker with 30mA leakage protection for dual-layer safety.

Whole-House Leakage Protection: If the distribution box lacks a main RCCB, NBHLE-40Y-1PC32 can serve as the main switch to monitor leakage across all circuits.

2. Commercial and Light Industrial Use

Small Office Equipment: Centralized power supply circuits for printers, projectors, water dispensers, إلخ., to avoid overload and leakage risks.

Store Lighting Systems: LED strips and display cabinet circuits in clothing stores, cafes, إلخ., providing stable protection.

3. New Energy Equipment Adaptation

AC Charging Pile Protection: A 7kW charging pile (32أ) can directly use this circuit breaker as the main switch, paired with NXB series circuit breakers for hierarchical control.

PV Inverter Branch: Protection for the AC side of small household PV systems to prevent damage from backflow current.

ثالثا. Installation and Selection Recommendations

1. Installation Specifications

تركيب السكك الحديدية: Compatible with TH35-7.5mm standard rails, wiring terminals support 2.5-10mm² conductors, and vertical installation is required for optimal heat dissipation.

المتطلبات البيئية: Avoid installation in high-temperature (>70°C), high-humidity, or flammable environments; distribution boxes must have reserved heat dissipation space (≥30cm from the wall).

2. Selection Logic

Load Matching: Equipment total power (W) ÷ voltage (230V) = current (أ). The circuit breaker’s rated current should be ≥1.2 times the calculated value. على سبيل المثال, a 6kW load corresponds to 26.1A, making a 32A circuit breaker compliant.

Leakage Protection Hierarchy: If the main switch already has an RCCB, use ordinary circuit breakers (على سبيل المثال, NXB63-2P/32A) for branches; if not, prioritize NBHLE series for whole-house protection.

3. Accessory Expansion

Auxiliary Functions: Can be paired with AX-X1 auxiliary contacts (indicate on/off status), AL-X1 alarm contacts (trigger signals during faults), or shunt trip coils (remote tripping control).

System Compatibility: Compatible with NXB series circuit breakers, rail sockets, and surge protectors (على سبيل المثال, NXU) to build modular power distribution systems.

1. Maintenance and Safety Tips
2. عمليات التفتيش المنتظمة

Monthly Testing: Press the test button (امتحان) to verify the leakage protection function. Replace immediately if it fails to trip.

Annual Check: Use an infrared thermometer to detect contact temperatures (≤60°C) and prevent increased contact resistance due to oxidation.

2. استكشاف الأخطاء وإصلاحها

التعثر المتكرر: If overload or short circuit is ruled out, aging insulation may be the cause, requiring professional electrical inspection.

Leakage Indicator Protrusion: Indicates a past leakage fault; identify and fix the cause before resetting.

1. Pricing and Purchase Channels

سعر السوق: Reference price per unit is approximately 150-200 CNY (subject to local dealers).

Purchase Advice: Procure through CHINT’s official channels (على سبيل المثال, Tmall flagship store, authorized dealers) to ensure product quality and after-sales service.

1. Typical Configuration Schemes

With high reliability and flexible adaptability, CHINT NBHLE-40Y-1PC32 is the ideal choice for leakage protection in household and small-to-medium engineering projects. Users can select trip characteristics based on load types and strictly follow installation guidelines to ensure electrical safety.