1. Bubuka
This manual provides essential information for the safe installation, operation, and maintenance of the Westinghouse EHB2020 4989D52G19 Circuit Breaker. Please read this manual thoroughly before attempting any installation or operation. Retain this manual for future reference.
The Westinghouse EHB2020 4989D52G19 is a 2-pole, 20 Amp, 480VAC circuit breaker designed to protect electrical circuits from overcurrents and short circuits. It is suitable for industrial and commercial applications.
2. Émbaran Kasalametan
WARNING: Electrical shock hazard. Installation and servicing must be performed by qualified personnel only. Disconnect power before working on or near the circuit breaker.
- Always ensure the main power supply is disconnected before installing, removing, or servicing the circuit breaker.
- Anggo alat pelindung pribadi (PPE) anu cocog sapertos sarung tangan insulasi sareng kacamata kaamanan.
- Verify all connections are secure and properly torqued according to local electrical codes and manufacturer specifications.
- Do not use this circuit breaker in environments exceeding its specified temperature or humidity ratings.
- Ulah ngaliwat atawaamper sareng mékanisme pelindung pemutus sirkuit.
3. Produk Langkungview
The Westinghouse EHB2020 4989D52G19 circuit breaker features a robust design for reliable circuit protection. Key components include the operating handle, trip indicator, and terminal connections.
Gambar 1: Hareupeun view of the Westinghouse EHB2020 4989D52G19 Circuit Breaker, showing the operating handle and rating label.
Gambar 2: Detil view of the circuit breaker's label, indicating model number EHB2020, current rating 20A, 2-pole configuration, and voltage ratings (480 VAC, 250 VDC).
4. Spésifikasi
| Spésifikasi | Nilai |
|---|---|
| merek | Westinghouse |
| Nomer modél | EHB2020 4989D52G19 |
| Peunteun ayeuna | 20 Amps |
| Voltage Peunteun | 480 Volts AC, 250 Volts DC |
| Jumlah kutub | 2 |
| Sirkuit Tipe Breaker | Standard (Magnetic) |
| Dimensi produk | 23 x 16 x 18 inci (perkiraan ukuran pengiriman) |
| Item Beurat | 6 pon |
| Interrupting Ratings | 10,000 Amps @ 240 Volt, 14,000 Amps @ 480 Volt |
5. Setup jeung Instalasi
Installation of this circuit breaker must be performed by a qualified electrician in accordance with all national and local electrical codes. Improper installation can result in serious injury or property damage.
5.1 Cék Pra-Pamasangan
- Verify that the circuit breaker's ratings (voltage, current, number of poles) match the requirements of the electrical system.
- Pariksa pemutus sirkuit pikeun karusakan fisik. Ulah masang unit ruksak.
- Ensure the panelboard or enclosure is suitable for the circuit breaker's dimensions and type.
5.2 Léngkah-léngkah Instalasi
- Pegatkeun Daya: Turn off the main power supply to the electrical panel where the circuit breaker will be installed. Verify zero voltage kalayan multimeter.
- Pamasangan: Securely mount the circuit breaker into the designated slot in the electrical panel. Ensure it is properly seated and latched.
- Sambungan Kawat: Connect the load and line wires to the appropriate terminals on the circuit breaker. Refer to the wiring diagram of your electrical panel for correct connections.
Gambar 3: Top view showing the line terminals of the circuit breaker where incoming power is connected.
- Sambungan Torsi: Tighten terminal screws to the manufacturer's specified torque settings to ensure proper electrical contact and prevent overheating.
- Pariksa Pamasangan: Double-check all connections and ensure no loose wires or debris are present.
- Mulangkeun Daya: Sakali pamasangan parantos réngsé sareng diverifikasi, balikkeun kakuatan kana panel listrik.
Gambar 4: Handap view showing the load terminals of the circuit breaker where outgoing power to the circuit is connected.
6. Parentah Operasi
The circuit breaker operates with a simple ON/OFF mechanism. It is designed to automatically trip (turn off) in response to overcurrent or short-circuit conditions.
- Hurungkeun: Push the operating handle firmly to the 'ON' position.
- Pareuman: Push the operating handle firmly to the 'OFF' position.
- Kaayaan ditiup: If the circuit breaker trips, the handle will move to an intermediate or 'TRIPPED' position (often between ON and OFF). To reset a tripped breaker, first push the handle completely to the 'OFF' position, then push it to the 'ON' position.
CAUTION: If the circuit breaker repeatedly trips, do not continuously reset it. This indicates an electrical fault that requires investigation by a qualified electrician.
7. Pangropéa
The Westinghouse EHB2020 4989D52G19 circuit breaker requires minimal maintenance. Regular inspections are recommended to ensure continued safe operation.
- Inspeksi Visual: Pariksa pemutus sirkuit sacara berkala pikeun ningali tanda-tanda karusakan fisik, perubahan warna, atanapi sambungan anu leupas.
- beberesih: If necessary, gently clean the exterior of the circuit breaker with a dry, lint-free cloth. Do not use liquids or abrasive cleaners.
- Cék sambungan: During routine electrical system maintenance, verify that terminal connections remain tight.
WARNING: Always disconnect power before performing any maintenance or inspection.
8. Cara ngungkulan
Bagian ieu alamat masalah umum Anjeun bisa sapatemon kalawan circuit breaker Anjeun.
8.1 Circuit Breaker Trips Frequently
- Overload: The circuit may be drawing too much current. Disconnect some appliances or devices from the circuit.
- Sirkuit pondok: A direct connection between live and neutral/ground wires. This requires immediate investigation by an electrician.
- Kasalahan taneuh: Arus bocor ka taneuh. Ieu ogé meryogikeun diagnosis profésional.
- Alat anu salah: A defective appliance connected to the circuit could be causing the trip. Unplug all devices and plug them back in one by one to identify the faulty one.
8.2 Circuit Breaker Does Not Reset
- Kasalahan Persisten: If an overload or short circuit is still present, the breaker will not reset. Address the underlying electrical issue first.
- Breaker ruksak: The circuit breaker itself may be faulty and require replacement.
Upami léngkah-léngkah ngungkulan henteu ngabéréskeun masalah, hubungi tukang listrik anu mumpuni pikeun pitulung.
9. Garansi jeung Rojongan
For warranty information and technical support regarding your Westinghouse EHB2020 4989D52G19 Circuit Breaker, please refer to the official Westinghouse websitus atanapi ngahubungan departemén layanan palanggan maranéhna. Simpen resi pameseran anjeun salaku bukti pameseran.
Westinghouse Customer Support: Please visit the official Westinghouse websitus pikeun wincik kontak jeung sumber rojongan.
