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Marca: ABB (Suíça) | Official Part No.: 1SBN019010R1010
The CA5X-10 is a front-mount auxiliary contact extension block specially designed by ABB for AX series contactors. Está equipado com 1 normalmente aberto (NÃO) instantaneous contact. It is mainly used to expand nodes of the contactor control circuit, realizing functions such as operating status feedback, logic interlocking, signal transfer and remote start/stop.
This block features a clip-on quick-mount structure for tool-free installation on the front of contactors. It comes with standard screw terminals. Its electrical performance complies with IEC 60947-5-1 and it holds major global certifications including CCC, CE and CB. It is widely applied in industrial scenarios such as low-voltage power distribution, motor control and automation control cabinets.
Explicação do código do modelo
| Segmento de código | Descrição |
| CA | General prefix: Accessory series for contactor auxiliary contacts |
| 5 | Product specification platform: Auxiliary contacts for 50mm frame size contactors of medium and low power ratings |
| X | Series indicator: Exclusively for AX series AC contactors and NX series contact relays |
| -10 | Código de configuração de contato: The first digit stands for the quantity of normally open (NÃO) contatos, and the second for normally closed (NC) contatos. 10 means 1NO + 0NC |
Especificações Técnicas Principais
Características Elétricas
Corrente térmica convencional (É): 16UM (a 40℃, de acordo com IEC 60947-5-1)
Tensão operacional nominal: Máx.. 690V AC/DC for auxiliary circuits
Corrente operacional nominal (AC-15):
24V/127V: 6UM
220V/240V: 4UM
380V/440V: 3UM
690V: 2UM
Corrente operacional nominal (DC-13):
24V: 6UM
110V/125V: 0.55UM
220V/250V: 0.3UM
Corrente suportável de curta duração (Icw): 100A for 1 segundo; 140A for 0.1 segundo
Electrical operating frequency: 1200 operações/hora (AC-15); 900 operações/hora (DC-13)
Mechanical operating frequency: Máx.. 3600 operações/hora
Vida mecânica: ≥ 10 milhões de operações
Mecânico & Parâmetros Ambientais
Tipo de montagem: Front clip-on quick installation for contactors
Tipo de rescisão: Terminais de fixação de parafuso
Recommended tightening torque: 0.6~0.8 N·m
Proteção de entrada: IP20 (terminal side, protection against accidental finger contact)
Operating ambient temperature: -25 ~ +55 ℃
Temperatura de armazenamento: -40 ~ +70 ℃
Dimensões (L × A × P): 10mm × 47mm × 36mm
Net weight per unit: Aprox.. 14g
Certificações: CCC, CE, CB; compatível com IEC 60947-5-1
Main Models in the Same Series
All below front-mount auxiliary contacts of CA5X series fit AX series contactors, differing mainly in contact configuration:
| Modelo Completo | Configuração de contato | Número da peça. | Aplicação principal |
| CA5X-10 | 1NÃO | 1SBN019010R1010 | Single NO contact for basic operating status feedback |
| CA5X-01 | 1NC | 1SBN019010R1001 | Single NC contact for safety interlock and stop signal feedback |
| CA5X-11 | 1NÃO+1NC | 1SBN019010R1011 | 1NO+1NC for general control circuit expansion |
| CA5X-20 | 2NÃO | 1SBN019010R1020 | Dual NO contacts for multi-channel parallel signal output |
| CA5X-02 | 2NC | 1SBN019010R1002 | Dual NC contacts for redundant safety circuit design |
> Nota importante: CA5X series is only compatible with AX / NX series contactors. For legacy A/AL/AE series contactors, please use CA5 series auxiliary contacts (por exemplo. CA5-10). The two series feature incompatible mechanical structures and must not be used interchangeably.
Contatores compatíveis
Main contactors: ABB AX series AC contactors (Gama completa: AX06 ~ AX150)
Relays: ABB NX series contact relays
Stacked installation: Até 4 pieces of CA5X auxiliary contact blocks can be mounted on the front of one single contactor.
Instalação & Wiring Instructions
- Etapas de instalação: Cut off power supply first. Align the auxiliary contact block with the guide grooves on the contactor front, then press down vertically until an audible click indicates full locking. Shake slightly to confirm firm installation. Para remover, press the release latch on the top and pull upwards.
- Definição de terminal: Terminals marked “3” e “4” correspond to the two ends of the single NO contact. The contact closes when the contactor is energized and opens when de-energized.
- Especificação de fiação: Suitable for solid/stranded wires of 0.5~1.5mm² and flexible wires of 0.5~1.0mm². Tighten screws at 0.6~0.8 N·m to avoid terminal damage or poor contact caused by excessive torque.
- Prohibited Operations: Never install or remove the block while powered on. It is designed exclusively for control circuit signals and shall not be connected to main power circuits for load switching. Do not operate continuously beyond rated load.
Troubleshooting Matrix
| Fenômeno de falha | Causa raiz | Step-by-Step Solutions |
| Contact fails to close when contactor is energized | Instalação inadequada, contact oxidation or loose wiring | 1. Reinstall the block after power off and ensure full locking of clips. |
| 2. Retighten terminals and check wire continuity. | ||
| 3. Operate the contactor repeatedly to polish contacts; replace the block if severely oxidized. | ||
| Mau contato & flickering signals | Insufficient screw torque, terminal oxidation or overload | 1. Retighten terminals to specified torque. |
| 2. Clean contact surfaces to remove oxide layer. | ||
| 3. Verify load current and ensure compliance with AC-15 / DC-13 ratings. | ||
| Contactor jams and cannot pull in after installation | Misaligned block, incomplete clip engagement or foreign debris | 1. Remove and reinstall the block with proper alignment to guide grooves. |
| 2. Clean dust and foreign objects between contactor and block. | ||
| 3. Inspect for deformation; replace the block if structural damage is found. | ||
| Abnormal overheating at terminals during operation | Loose connection, insufficient wire gauge or circuit overload | 1. Reconnect wires and ensure full insertion of conductors into terminals (desligar). |
| 2. Confirm wire cross-section matches load current. | ||
| 3. Check circuit current; prolonged overload operation is forbidden. |
Both CA5-10 and CA5X-10 are front-mount auxiliary contacts with 1 contato normalmente aberto. They share nearly identical electrical parameters but belong to two generations of contactor platforms with completely incompatible mechanical mounting structures, and must never be mixed. CA5-10 matches legacy A series contactors, while CA5X-10 is dedicated to the new AX series.
- Full Comparison of Core Parameters
| Item de comparação | CA5-10 (For Legacy A Platform) | CA5X-10 (For New AX Platform) |
| Posicionamento do produto | Previous-generation general auxiliary contact, para manutenção & replacement of existing equipment | New-generation mainstream model, matched with current AX contactors |
| Official Part No. | 1SBN010010R1010 (Domestic code: 10069838) | 1SBN019010R1010 |
| Contatores compatíveis | A9~A110, AL9~AL40, AE45~AE75, AF50~AF110, N series contact relays | Full AX06~AX150 series, NX series contact relays |
| Configuração de contato | 1NÃO (1 instantaneous normally open contact) | 1NÃO (1 instantaneous normally open contact) |
| Corrente térmica convencional (É) | 16UM (40℃, CEI 60947-5-1) | 16UM (40℃, CEI 60947-5-1) |
| Tensão nominal de isolamento (interface do usuário) | 690V CA/CC | 690V CA/CC |
| Corrente operacional nominal (AC-15) | 24V/127V: 6UM; 220V/240V: 4UM; 380V/400V: 3UM; 690V: 2UM | 24V/127V: 6UM; 220V/240V: 4UM; 380V/400V: 3UM; 690V: 2UM |
| Corrente operacional nominal (DC-13) | 24V: 6UM; 110V/125V: 0.55UM; 220V/250V: 0.3UM | 24V: 6UM; 110V/125V: 0.55UM; 220V/250V: 0.3UM |
| Corrente suportável de curta duração (Icw) | 100UM (1é); 140UM (0.1é) | 100UM (1é); 140UM (0.1é) |
| Vida Mecânica | ≥ 10 milhões de operações | ≥ 10 milhões de operações |
| Mechanical Operating Frequency | Máx.. 3600 operações/hora | Máx.. 3600 operações/hora |
| Electrical Operating Frequency (AC-15) | Máx.. 1200 operações/hora | Máx.. 1200 operações/hora |
| Tipo de montagem | Front clip-on quick installation | Front clip-on quick installation |
| Máx.. Stacked Quantity per Contactor | Até 4 unidades | Até 4 unidades |
| Termination Type | Terminais de fixação de parafuso | Terminais de fixação de parafuso |
| Recommended Tightening Torque | 0.6~0.8 N·m | 0.6~0.8 N·m |
| Dimensões (L × A × P) | Aprox.. 9.5mm × 46.8mm × 32.5mm | Aprox.. 10mm × 47mm × 36mm |
| Peso líquido | Aprox.. 14g | Aprox.. 14g |
| Proteção de entrada | IP20 (proteção contra contato com os dedos) | IP20 (proteção contra contato com os dedos) |
| Temperatura operacional | -25 ~ +55 ℃ | -25 ~ +55 ℃ |
| Certificações | CE, CCC, CB, compatível com IEC 60947-5-1 | CE, CCC, CB, compatível com IEC 60947-5-1 |
- Key Differences Analysis
2.1 Fundamental Difference: Non-interchangeable Mechanical Interface
The two models are similar in appearance and overall size, but differ in clip grooves and linkage structures, which are designed for dedicated contactor housings respectively:
Clips of CA5-10 fit exclusive grooves on A series contactors.
Clips of CA5X-10 match the new interface of AX series contactors.
Forced assembly will lead to loose clips, out-of-sync contacts and contactor jamming, and may even damage internal mechanisms. This is strictly prohibited in selection and application.
2.2 Product Generation & Supply Positioning
CA5-10: Mature legacy product, mainly used for maintenance and replacement of existing A series contactors. Not recommended for new projects.
CA5X-10: Current flagship product of ABB, supporting AX series contactors (successor of legacy A series). It features stable stock and comprehensive technical support.
2.3 Identical Electrical Performance & Compatible Circuit Design
They adopt the same technical platform for contact materials, arc extinguishing structures and electrical parameters. Load capacity and service life are equivalent under the same utilization category. Control circuit design and wiring rules can be fully followed between each other.
- Seleção & Recomendações de substituição
- Maintenance of Existing Equipment: If the original contactors are A/AL/AE/AF series, select CA5-10 exclusively. CA5X-10 cannot be used as a replacement.
- New Project Design: Prioritize the combination of AX series contactors + CA5X series auxiliary contacts. This is ABB’s mainstream solution with reliable long-term supply and after-sales service.
- Contact Configuration Expansion: Both series provide multiple contact types such as CA5X-01/11/20/02 with consistent naming rules. Select models according to NO/NC requirements of control circuits.
