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| MODEL | Type | Input type | Input range | Size | Number of digits | Supply voltage AC | Supply voltage DC | Features |
| K3HB-RNB-100-240VAC | Frequency, Rate | NPN, Voltage pulse | 0 to 30 Hz, 0 to 50 kHz | 1/8 DIN (96 x 48 mm) | 5 | 100-240 V | | Colour change display |
| K3HB-RNB-24VAC-VDC | Frequency, Rate | NPN, Voltage pulse | 0 to 30 Hz, 0 to 50 kHz | 1/8 DIN (96 x 48 mm) | 5 | 20.4-26.4 V | 20.4-26.4 V | Colour change display |
| K3HB-RPB-100-240VAC | Frequency, Rate | PNP | 0 to 30 Hz, 0 to 50 kHz | 1/8 DIN (96 x 48 mm) | 5 | 100-240 V | | Colour change display |
| K3HB-RPB-24VAC-VDC | Frequency, Rate | PNP | 0 to 30 Hz, 0 to 50 kHz | 1/8 DIN (96 x 48 mm) | 5 | 20.4-26.4 V | 20.4-26.4 V | Colour change display |
