Siemens SIRIUS 3TK28 Safety Relay 24V ac, Single/Dual-Channel 4 Safety Contacts
- RS Stock No.:
- 763-6839
- Mfr. Part No.:
- 3TK2828-1AB21
- Brand:
- Siemens
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Each
£364.37
(exc. VAT)
£437.24
(inc. VAT)
- RS Stock No.:
- 763-6839
- Mfr. Part No.:
- 3TK2828-1AB21
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Supply Voltage | 24V ac | |
| Number of Channels | 1, 2 | |
| Safety Contacts | 4 | |
| Function | Speed/Standstill Monitoring | |
| Range | SIRIUS | |
| Safety Category | 3 | |
| Depth | 120mm | |
| Series | 3TK28 | |
| Width | 44.8mm | |
| Length | 138.5mm | |
| Performance Level | d | |
Select all | ||
|---|---|---|
Brand Siemens | ||
Supply Voltage 24V ac | ||
Number of Channels 1, 2 | ||
Safety Contacts 4 | ||
Function Speed/Standstill Monitoring | ||
Range SIRIUS | ||
Safety Category 3 | ||
Depth 120mm | ||
Series 3TK28 | ||
Width 44.8mm | ||
Length 138.5mm | ||
Performance Level d | ||
- COO (Country of Origin):
- DE
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.
