Siemens Single-Channel Speed/Standstill Monitoring Safety Relay, 24V dc, 2 Safety Contacts
- RS Stock No.:
- 411-2157
- Mfr. Part No.:
- 3TK2827-1BB40
- Brand:
- Siemens
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Each
£227.23
(exc. VAT)
£272.68
(inc. VAT)
- RS Stock No.:
- 411-2157
- Mfr. Part No.:
- 3TK2827-1BB40
- 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 dc | |
| Number of Channels | 1 | |
| Safety Contacts | 2 | |
| Function | Speed/Standstill Monitoring | |
| Auxiliary Contacts | 1 | |
| Reset Method | Monitored | |
| Range | SIRIUS | |
| Terminal Type | Screw | |
| Depth | 120mm | |
| Width | 44.8mm | |
| Safety Category | 4 | |
| Series | 3TK28 | |
| Length | 138.5mm | |
| Performance Level | e | |
Select all | ||
|---|---|---|
Brand Siemens | ||
Supply Voltage 24V dc | ||
Number of Channels 1 | ||
Safety Contacts 2 | ||
Function Speed/Standstill Monitoring | ||
Auxiliary Contacts 1 | ||
Reset Method Monitored | ||
Range SIRIUS | ||
Terminal Type Screw | ||
Depth 120mm | ||
Width 44.8mm | ||
Safety Category 4 | ||
Series 3TK28 | ||
Length 138.5mm | ||
Performance Level e | ||
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.
Related links
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- Siemens SIRIUS 3TK28 1 Auxiliary Contacts Safety Relay 24V dc, Single Channel 2 Safety Contacts
- Siemens Single-Channel Safety Switch/Interlock Safety Relay 2 Safety Contacts
- Siemens SIRIUS 3SK1 Safety Relay 24V dc, Single Channel
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- Siemens Single-Channel Light Beam/Curtain Safety Relay 3 Safety Contacts