The SAFE-TWO-HAND monitoring relay is designed for two-hand push-button control systems. Each push button input uses 1 NO and 1 NC contact, supporting Type IIIC monitoring and safety performance up to SIL 3 and Category 4, PL e.
Function
- 2 NO safety relay contacts.
- Two-hand push-button monitoring according to Type IIIC.
- Input per push button: 1 NO and 1 NC.
- Automatic start with 0.5 second synchronization time.
Technical Parameters
| Nominal operating voltage | 24 V AC/DC |
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| Input voltage range | 21.6-26.4 V AC/DC |
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| Power consumption | 3.5 VA AC max.; 1.5 W DC max. |
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| Frequency | 50-60 Hz |
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| Control voltage at S11 | 24 V DC at S11/S22 |
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| Synchronization time | 0.5 s |
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| Safe contacts | 2 NO |
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| Maximum switching voltage | 250 V AC |
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| AC resistive contact rating | 6 A, 250 V, 1500 VA |
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| DC resistive contact rating | 6 A, 24 V, 144 W |
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| Switch-on delay | <20 ms |
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| Switch-off delay | <20 ms |
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| Relay contact material | AgSnO2 |
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| Contact life | 10 million cycles |
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Mechanical and Environmental Data
| Wire size | 0.14-2.5 mm² |
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| Mounting | TH35 DIN rail according to EN 60715 |
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| Degree of protection | IP20 |
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| Operating temperature | -15°C to +60°C; max. +40°C for AC use |
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| Storage and transport temperature | -15°C to +85°C |
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| Dimensions | 22.5 mm width, 99 mm height, 114 mm depth |
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| Typical weight | 155 g |
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Standards
| Compliance | EN ISO 13851, EN 60204-1, EN ISO 13849-1, EN 62061 |
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| Safety level | SIL 3, Category 4, PL e, Type IIIC |
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| Certification | TUV Rheinland |
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