- RS Stock No.:
- 763-6864
- Mfr. Part No.:
- 3TK2828-1AJ20
- Brand:
- Siemens
Discontinued product
Alternative
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- RS Stock No.:
- 763-6864
- Mfr. Part No.:
- 3TK2828-1AJ20
- Brand:
- Siemens
Legislation and Compliance
- COO (Country of Origin):
- DE
Product Details
SIRIUS 3TK28 27/28 Safety Relays with Timed Delay
The SIRIUS 3TK28 27/28 Safety Relays with Timed Delay provide the functionality of time delayed contacts within a 45mm housing. The time delay is adjustable for each unit. Two different types offer a time delay from 0.05s up to 3s or 0.5s up to 30s. While standard safety contacts in these units are certified up to Category 4, time delayed outputs only reach a Category 3 level according to EN954-1.
Standard relay enable circuits (positively driven)
Suitable for use with Expansion module 3TK28 30
Single/two-channel sensor connection
Width 45mm
Suitable for use with Expansion module 3TK28 30
Single/two-channel sensor connection
Width 45mm
Standards
EN 60204-1, EN 92, EN 954-1.
Specifications
Attribute | Value |
---|---|
Supply Voltage | 115V ac |
Number of Channels | 1, 2 |
Safety Contacts | 4 |
Function | Speed/Standstill Monitoring |
Range | SIRIUS |
Series | 3TK28 |
Width | 44.8mm |
Safety Category | 3 |
Depth | 120mm |
Performance Level | d |
Length | 138.5mm |