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3TK2845-2HB40 — SIRIUS Safety Relay (Multifunction Device)
relayPart number: 3TK2845-2HB40
3TK2845-2HB40 — SIRIUS Safety Relay (Multifunction Device) — Siemens part reference 3TK2845-2HB40. Request a destination-specific quotation with shipping included. Confirm equipment model, serial number, quantity and any required certificates; availability, exact supply specification and warranty terms are checked before ordering.
Looking for Siemens 3TK2845-2HB40? This catalogue reference is listed under relay. Send the part number and your equipment details so we can confirm the specification, availability and a quotation including shipping.
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Technical specifications
| Manufacturer | Siemens |
|---|---|
| Part number | 3TK2845-2HB40 |
| Category | Electrical & controls |
| Item Type Name | SIRIUS Safety Relay (Multifunction Device) |
| Product Family / Series | SIRIUS 3TK28 Safety Relays |
| Product Series | 3TK2845 Multifunction Device |
| Variant Function | "Automatic and monitored start" (HB variant) |
| rated_control_supply_voltage | 24 V DC |
| connection_type | Spring-loaded (cage clamp) terminals |
| sensor_inputs | 2 (S1 monitored start-up, S2 automatic start-up) |
| cascading_input | 1 (CAS/OS) |
| switching_input | Key-operated switch (standard/maintenance) |
| enabling_circuits | 2 relay + 2 electronic enabling circuits |
| signaling_output | 1 electronic signaling output |
| time_delay | Instantaneous (no delay) |
| max_safety_integrity_level | SIL 3 per IEC 61508 / IEC 62061 |
| max_performance_level | PL e per EN ISO 13849-1 |
| safety_category | Up to Category 4 per EN 954-1 / EN ISO 13849-1 |
| device_width | 45 mm |
| terminal_degree_of_protection | IP20 per EN 60529 |
| applicable_standards | EN 418 (E-STOP), EN 60204-1 (machine safety) |
| Mounting | 35 mm DIN rail snap-on or screw mounting |
| Device Type | Basic unit / multifunction safety relay |
| Weight | 0.350 kg |
| Width | 45 mm |
| Reference status | Published catalogue reference; confirm specification and fitment before ordering |
| Availability | On request |
Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.
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