Subcalibre projectile having a fuse and a safety device for the fuse, having the following features: - the subcalibre projectile comprises a projectile body, a sliding driving band and a sabot consisting of sabot segments (13.1, 13.2, 13.3), - the safety device comprises two safety elements (21, 24) for sensing ambient conditions and is designed such that a signal can be generated - the safety device comprises at least one logic unit - the safety device is designed such that the signal of the safety elements (21, 24) can be evaluated using the logic unit and an arming signal for arming the fuse can be generated, the safety device is characterized in that: a. a first safety element comprises a sensor element and at least one permanent magnet and - the sensor element comprises a magnetic sensor, especially a magnetoresistive sensor, in the projectile body and - the permanent magnet is disposed to correspond to the magnetic sensor and to extend radially from the magnetic sensor in the driving band and - the first safety element is designed such that a frequency of rotation of the driving band can be sensed as the first ambient condition and a first signal can be generated, b. a second safety element comprises a sensor element and at least one permanent magnet and - the sensor element comprises at least one magnetic sensor, especially a magnetoresistive sensor, in the projectile body and - the permanent magnet is disposed so as to correspond to the magnetic sensor and to extend from the magnetic sensor radially in at least one sabot segment (13.1, 13.2, 13.3) and - the second safety element is designed such that the separation of the sabot segment (13.1, 13.2, 13.3) can be sensed as a second ambient condition and a second signal can be generated. - the subcalibre projectile comprises a projectile body, a sliding driving band and a sabot consisting of sabot segments (13.1, 13.2, 13.3), - the safety device comprises two safety elements (21, 24) for sensing ambient conditions and is designed such that a signal can be generated - the safety device comprises at least one logic unit - the safety device is designed such that the signal of the safety elements (21, 24) can be evaluated using the logic unit and an arming signal for arming the fuse can be generated, a. a first safety element comprises a sensor element and at least one permanent magnet and - the sensor element comprises a magnetic sensor, especially a magnetoresistive sensor, in the projectile body and - the permanent magnet is disposed to correspond to the magnetic sensor and to extend radially from the magnetic sensor in the driving band and - the first safety element is designed such that a frequency of rotation of the driving band can be sensed as the first ambient condition and a first signal can be generated, - the sensor element comprises a magnetic sensor, especially a magnetoresistive sensor, in the projectile body and - the permanent magnet is disposed to correspond to the magnetic sensor and to extend radially from the magnetic sensor in the driving band and - the first safety element is designed such that a frequency of rotation of the driving band can be sensed as the first ambient condition and a first signal can be generated, b. a second safety element comprises a sensor element and at least one permanent magnet and - the sensor element comprises at least one magnetic sensor, especially a magnetoresistive sensor, in the projectile body and - the permanent magnet is disposed so as to correspond to the magnetic sensor and to extend from the magnetic sensor radially in at least one sabot segment (13.1, 13.2, 13.3) and - the second safety element is designed such that the separation of the sabot segment (13.1, 13.2, 13.3) can be sensed as a second ambient condition and a second signal can be generated. - the sensor element comprises at least one magnetic sensor, especially a magnetoresistive sensor, in the projectile body and - the permanent magnet is disposed so as to correspond to the magnetic sensor and to extend from the magnetic sensor radially in at least one sabot segment (13.1, 13.2, 13.3) and - the second safety element is designed such that the separation of the sabot segment (13.1, 13.2, 13.3) can be sensed as a second ambient condition and a second signal can be generated.