The GYM9 circuit breaker auxiliaries are functional modules used with GYM9 series circuit breakers. They add remote indication, fault alarm signaling, shunt release, undervoltage release, overvoltage release and combined voltage protection functions for lighting, household and building electrical circuits.
Accessory Types
| Model | Type | Main Function |
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| AU9 | Auxiliary contact | Indicates the ON/OFF state of the circuit breaker for remote status indication. |
| AL9 | Alarm contact | Sends a signal when the circuit breaker trips due to a fault; includes front-panel mechanical fault indication. |
| SH8 | Shunt release | Trips the circuit breaker after receiving a control signal, enabling remote emergency breaking. |
| UV9 | Undervoltage release | Trips the circuit breaker when supply voltage falls to the listed range and prevents reclosing when supply is abnormal. |
| OV9 | Overvoltage release | Monitors voltage between phase and neutral and trips the breaker when overvoltage occurs. |
| UV9+OV9 | Overvoltage and undervoltage release | Combines overvoltage release with undervoltage tripping protection. |
AU9 And AL9 Parameters
| Standard | IEC/EN 60947-5-1 |
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| Voltage Ue | AC 230/400V; DC 120V |
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| Rated frequency | 50/60Hz |
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| Working current | 230V AC 6A; 400V AC 3A; 120V DC 1A |
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| Contact number | 1NO/NC |
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| Working temperature | -35℃ to +70℃ |
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| Red mechanical indication | AU9: no; AL9: yes |
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| Test function | AU9: no; AL9: yes |
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SH8, UV9, OV9 And UV9+OV9 Parameters
| Standards | SH8: IEC/EN 60947-5-1; UV9, OV9 and UV9+OV9: IEC/EN 60947-1 |
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| SH8 voltage Ue | AC 230/400V, AC 48V, AC 12/24V; DC 120V, DC 48V, DC 12/24V |
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| UV9 voltage Ue | AC 230/400V |
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| OV9 voltage Ue | AC 230/400V |
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| UV9+OV9 voltage Ue | AC 230/400V |
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| Rated frequency | 50/60Hz |
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| Test function | SH8: no; UV9, OV9 and UV9+OV9: yes |
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| Working temperature | -25℃ to +70℃ |
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| Undervoltage tripping range | 55V to 160V for the listed combined undervoltage function |
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| Overvoltage tripping range | 280VAC ±5% |
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