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Specifications
Mfr. Part #:
BZMJ 0.45-40-3
Key Attributes
Model Number:
BZMJ 0.45-40-3
Product Description
BZMJ Series Self-healing Low Voltage Parallel Capacitor
The BZMJ series self-healing low voltage parallel capacitor is designed for power factor improvement and voltage quality enhancement in AC power systems with a rated voltage of 1000V and below. It features a metallic polypropylene film dielectric and rapeseed oil impregnation, offering advantages such as smaller volume, higher reliability, adaptability to higher ambient temperatures and voltage fluctuations, improved sealing, convenient and secure wiring, and a corrosion-resistant metal casing.
Product Attributes
- Brand: (CHINT)
- Certifications: GB/T 12747.1-2017, IEC 60831-1:2014; GB/T 12747.2-2017, IEC 60831-2:2014
- Material: Metallized polypropylene film dielectric, rapeseed oil impregnant
- Casing: Anti-corrosion metal
Technical Specifications
| Model | Rated Voltage (kV) | Rated Capacity (kvar) | Rated Frequency (Hz) | Rated Current (A) | Capacitance Deviation | Loss Tangent (tan) | Max Overvoltage (UN) | Max Overcurrent (IN) | Self-discharge | Shell Height H (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| BZMJ 0.25-5-1 | 0.25 | 5 | 50/60 | 20 | -5%~+8% | 0.0012 (30kvar) / 0.0015 (>30kvar) | 1.1 | 1.3 | 75V within 3min after 2UN DC | 95 |
| BZMJ 0.25-15-1 | 0.25 | 15 | 50/60 | 60 | -5%~+8% | 0.0012 (30kvar) / 0.0015 (>30kvar) | 1.1 | 1.3 | 75V within 3min after 2UN DC | 190 |
| BZMJ 0.4-15-3 | 0.4 | 15 | 50/60 | 21.7 | -5%~+8% | 0.0012 (30kvar) / 0.0015 (>30kvar) | 1.1 | 1.3 | 75V within 3min after 2UN DC | 190 |
| BZMJ 0.45-30-3 | 0.45 | 30 | 50/60 | 38.5 | -5%~+8% | 0.0012 (30kvar) / 0.0015 (>30kvar) | 1.1 | 1.3 | 75V within 3min after 2UN DC | 315 |
| BZMJ 0.48-30-3 | 0.48 | 30 | 50/60 | 36.1 | -5%~+8% | 0.0012 (30kvar) / 0.0015 (>30kvar) | 1.1 | 1.3 | 75V within 3min after 2UN DC | 315 |
| BZMJ 0.525-60-3 | 0.525 | 60 | 50/60 | 66.0 | -5%~+8% | 0.0015 (>30kvar) | 1.1 | 1.3 | 75V within 3min after 2UN DC | 315 |
| BZMJ 0.69-60-3 | 0.69 | 60 | 50/60 | 50.2 | -5%~+8% | 0.0015 (>30kvar) | 1.1 | 1.3 | 75V within 3min after 2UN DC | 315 |
| BZMJ 1.20-40-3 | 1.20 | 40 | 50/60 | 40.0 | -5%~+8% | 0.0015 (>30kvar) | 1.1 | 1.3 | 75V within 3min after 2UN DC | 315 |
| BZMJ 0.4-15-3YN | 0.4 (Line Voltage) | 15 (Total Three-phase Capacity) | 50/60 | 21.7 | -5%~+8% | 0.0012 (30kvar) / 0.0015 (>30kvar) | 1.1 | 1.3 | 75V within 3min after 2UN DC | 190 |
| BZMJ 0.45-30-3YN | 0.45 (Line Voltage) | 30 (Total Three-phase Capacity) | 50/60 | 38.5 | -5%~+8% | 0.0012 (30kvar) / 0.0015 (>30kvar) | 1.1 | 1.3 | 75V within 3min after 2UN DC | 315 |
Application Scenarios
- Power factor improvement in AC power systems (rated voltage 1000V).
- Voltage quality enhancement.
- Suitable for environments with high ambient temperatures and significant system voltage fluctuations.
- Requires consideration for harmonic environments; use with anti-harmonic reactors if necessary.
- Recommended for use with motors (capacitor current < 90% of motor no-load current).
- Should be disconnected when transformers are no-load.
Notes
- For phase voltage, divide line voltage by 3 for YN connection.
- Models with "YN" indicate phase compensation capacitors with a neutral lead.
- Customization for low-temperature environments (-40~+50) is available.
- For altitudes above 2000m, consider higher rated voltages (0.48kV for 2000m-3000m, 0.525kV for >3000m).
- Specialized switches, contactors, electronic composite switches, and overcurrent relays are recommended for systems with parallel capacitors.
- Capacitors require a 3-minute delay before re-energization and must be short-circuited for discharge after power disconnection.
- When using miniature circuit breakers for short-circuit protection, select 2-3 times the rated current; avoid closing breakers with capacitors connected. For capacities >30kvar, use RT36 fuses.
2207071901_CHINT-BZMJ-0-45-40-3_C4254631.pdf
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