It is a single standard auxiliary contact that provides two remote information of the circuit breaker status. It is used on Compact NSXm and PowerPact B devices. The OF contact (open/closed) indicates the position of the circuit breaker main contacts. The SD contact (trip indication) indicates if the circuit breaker has tripped. There is one auxiliary contact model for OF and SD information, depending on where it is fitted in the device. This auxiliary is a common point changeover type contact with 1 normally open contact and 1 normally closed contact. The rated current is 5A and the minimum load is 2mA at 17 VDC. Utilization categories are AC12/AC13/DC12/DC13/DC14. Compact NSXm embeds 2 auxiliary contacts and their presence is visible on the front face through green flags. It complies with IEC 60947-5-1 standard.
Specification:
| Product or component type | Auxiliary contact |
|---|---|
| Device short name | SD OF |
| Device application | Breaker status monitoring |
| Range compatibility | PowerPact PowerPact B ComPact ComPact NSXm |
| Signal contacts composition | 1 NO/NC |
| Fault type | Overload Short-circuit |
|---|---|
| Local signalling | ON/OFF indication for open/close Trip indicator for relay trip indicator |
| Auxiliary contacts type | Standard |
| Mounting mode | Clip-on |
| [Ith] conventional free air thermal current | 5 A |
| Breaking capacity (A) | AC-12: 5 A at 24 V AC 50/60 Hz AC-12: 5 A at 48 V AC 50/60 Hz AC-12: 5 A at 110…127 V AC 50/60 Hz AC-12: 5 A at 220/240 V AC 50/60 Hz AC-12: 5 A at 380/440 V AC 50/60 Hz AC-12: 5 A at 660/690 V AC 50/60 Hz AC-15: 5 A at 24 V AC 50/60 Hz AC-15: 5 A at 48 V AC 50/60 Hz AC-15: 4 A at 110…127 V AC 50/60 Hz AC-15: 3 A at 220/240 V AC 50/60 Hz AC-15: 2.5 A at 380/440 V AC 50/60 Hz AC-15: 0.1 A at 660/690 V AC 50/60 Hz DC-12: 5 A at 24 V DC 50/60 Hz DC-12: 2.5 A at 48 V DC 50/60 Hz DC-12: 0.6 A at 110 V DC 50/60 Hz DC-12: 0.3 A at 250 V DC DC-13: 2.5 A at 24 V DC DC-13: 1.2 A at 48 V DC DC-13: 0.35 A at 110 V DC DC-13: 0.05 A at 250 V DC DC-14: 1 A at 24 V DC DC-14: 0.2 A at 48 V DC DC-14: 0.05 A at 110 V DC DC-14: 0.03 A at 250 V DC |
| Minimum load | 2 mA at 17 V DC |
| Auxiliary connection terminal | Spring |
| Wire stripping length | 8 mm for front connection |
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