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Siemens SENTRON EFB300 expansion module, 3VA9977-0UA10, 1 digital input, 2 relay outputs, 2 semiconductor outputs, 36 mm depth, IP20.

Siemens SENTRON 3VA9977-0UF10, Maintenance Mode Box MMB300, accessory for 3VA6, 2 relay outputs, 1 digital input, AC-12 6 A / DC-13 0.1 A at 250 V, depth 36 mm, IP20.

Siemens SENTRON Ext. EFB300 expansion module, 3VA9987-0UA10, digital I/O, 1 DI, 2 relay outputs + 2 semiconductor outputs, 6 A at 250 V AC-12, IP20.

Schneider Electric Acti9 iSD auxiliary fault contact, 1 C/O, AC/DC, 9 mm wide, clip-on DIN rail mount, obsolete.

Schneider Electric Acti9 iOF auxiliary contact, 1 C/O, AC/DC, obsolete — DIN rail, 73 x 9 x 86 mm, IP20, EN/IEC 60947-5-1.

Schneider Electric Acti9 iOF+SD 24 auxiliary contact, 1 NO + 1 NC, DC-12 2...100 mA at 24 VDC, spring-loaded Ti24 terminal, clip-on DIN rail mount.

auxiliary switch external AUX 15CO for digital signals 24 V DC changeover contacts accessories for circuit breakers 3WL10 / 3VA27 (SE)

spring charge signaling switch S21 for digital signals 24 V DC accessories for circuit breakers 3WL10 / 3VA27 (SE)

ready to close signaling switch S20, for digital signals 24 V AC accessories for circuit breakers 3WL10 / 3VA27 (SE)