
Siemens SITOP DC power supply 6EP3437-8MB00-2CY0
Pricing
Request a quote
We reply within 24 hours
Product Description
Siemens 6EP3437-8MB00-2CY0 — SITOP DC power supply. DIN-rail primary-switched regulated 24 VDC power supply for automation panels. SITOP PSU8600 40A/4X 10A PN. In: 3 400-500 V AC Out: 24 V/40 A/4X 10 A DC.
Technical Specifications
- Manufacturer part number (MPN)
- 6EP3437-8MB00-2CY0 EAN / GTIN: 4025515154471 Sales unit: pcs Type of the power supply network: 3-phase AC Supply voltage at AC — minimum rated value: 400 V Supply voltage at AC — maximum rated value: 500 V Supply voltage at AC — initial value: 320 V Supply voltage at AC — full-scale value: 575 V Supply voltage at AC: Derating 320 ... 360 and 530 ... 575 V Buffering time for rated value of the output current in the event of power failure minimum: 15 ms Operating condition of the mains buffering: at Vin = 400 V; Prioritized supply of Output 1 in case of power failure selectable via DIP switch Line frequency: 50/60 Hz Input current — at rated input voltage 400 V: 2.75 A Input current — at rated input voltage 500 V: 2.2 A Current limitation of inrush current at 25 °C maximum: 14 A I2t value maximum: 2.24 A²·s Fuse protection type in the feeder: Required: 3-pole connected miniature circuit breaker 10 ... 16 A characteristic C or circuit breaker 3RV2011-1DA10 (setting 3 A) or 3RV2711-1DD10 (UL 489) Number of outputs: 4 Output voltage at DC rated value: 24 V Output voltage — at output 1 at DC rated value: 24 V Output voltage — at output 2 at DC rated value: 24 V Output voltage — at output 3 at DC rated value: 24 V Output voltage — at output 4 at DC rated value: 24 V Adjustable output voltage: 4 ... 28 V; Derating > 24 V: 4%/V; max. 240 W per output, max. 960 W overall system Relative overall tolerance of the voltage: 3 % Relative control precision of the output voltage — on slow fluctuation of input voltage: 0.2 % Relative control precision of the output voltage — on slow fluctuation of ohm loading: 0.1 % Voltage peak — maximum: 200 mV Display version for normal operation: 3-color LED for operating state device; LED for operating mode manual/remote; 4 LEDs for communication PROFINET; 3-color LED per output for operating state output; LED green for parallel operation Output 1 and 2 / 3 and 4 Type of signal at output: Relay contact (changeover contact, contact current capacity DC 60 V/0.3 A) for "Operating state OK" Response delay maximum: 1 s; Without on-delay of the outputs Type of outputs connection: simultaneous switch-on of all outputs after device power-up or delay time of 25 ms, 100 ms, or "load-optimized" for sequential switch-on of the outputs via DIP switch configurable Voltage increase time of the output voltage — maximum: 500 ms Output current — rated value: 40 A Output current — per output: 10 A Output current — at output 1 rated value: 10 A Output current — at output 2 rated value: 10 A Output current — at output 3 rated value: 10 A Output current — at output 4 rated value: 10 A Output current — rated range: 0 ... 40 A; +50 ... +60 °C: Derating 2.5%/K; no derating in connection with expansion module CNX8600 and total load of the outputs at the basic device max. 480 W Supplied active power typical: 960 W Efficiency in percent: 93 % Power loss [W] — at rated output voltage for rated value of the output current typical: 72 W Power loss [W] — during no-load operation maximum: 20 W Relative control precision of the output voltage with rapid fluctuation of the input voltage by +/- 15% typical: 0.1 % Relative control precision of the output voltage load step of resistive load 50/100/50 % typical: 0.4 % Design of the overvoltage protection: max. 35 V (max. 500 ms) Adjustable current response value current of the current-dependent overload release: 0.5 ... 10 A Switching characteristic — of the excess current: Ia >1.0...<1.5 x Ia threshold for 5 s permissible; Ia limit (= 1.5 x Ia threshold) for 200 ms permissible Switching characteristic — of the current limitation: Ia limit (= 1.5 x Ia threshold) permissible for 5 s, afterwards Ia threshold continuous Overcurrent overload capability — in normal operation: Total system overloadable 150% Ia rated to 5 s/min Remote reset function: non-isolated 24 V input (signal level "high" at > 15 V) Leakage current — maximum: 3.5 mA Ambient temperature — during operation: -25 ... +60 °C; with natural convection Ambient temperature — during transport: -40 ... +85 °C Ambient temperature — during storage: -40 ... +85 °C Connection method — at input: L1, L2, L3 PE: Plug-in terminal with 1 screwed connection each for 0.2 ... 4 mm² single-wire / fine stranded Connection method — at output: 1, 2, 3 4: Two plug-in terminals (1, 2 and 3 4) with 2 screwed connections each for 0.2 ... 2.5 mm²; 0 V: Plug-in terminal with 3 screwed connections for 0.2 ... 10 mm² (max. 6 mm² with ferrule) Connection method — for auxiliary contacts: RST (Reset): Plug-in terminal (together with alarm signal) with 1 screwed connection for 0.2 ... 1.5 mm² Connection method — for signaling contact: 11, 12 14 (alarm signal): Plug-in terminal (together with Reset) with 1 screwed connection each for 0.2 ... 1.5 mm² Width × height × depth of the enclosure: 125 × 125 × 150 mm Installation width × mounting height: 125 mm × 225 mm Mechanical data — net weight: 2.6 kg Voltage type (supply voltage): AC Max. output current 1: 40 A Max. output current 2: 10 A Max. output current 3: 10 A Nominal value output voltage 1: 24 V Nominal value output voltage 2: 24 V Nominal value output voltage 3: 24 V Nominal value output current 1: 40 A Nominal value output current 2: 10 A Nominal value output current 3: 10 A Output voltage stabilized: Yes Power output: 960 W Stabilized: Yes Suitable for rail mounting: Yes Wall mounting possible: No Built-in width: 125 mm Built-in height: 225 mm Width: 125 mm Height: 125 mm Depth: 150 mm Suitable for safety functions: No Degree of protection (IP): IP20 Suitable for wall mounting: No Country of origin: Austria
Standards & Compliance
- HS Code
- 8504.40
Cross References
- EAN 4025515154471
- SAP 1000681692
- Code 8386068
Product Documentation
More from Siemens

Siemens
Siemens 5SD74220

Siemens
Siemens heating element 400W 230V with fan for DIN rail mounting
8MR2150-4A

Siemens
Siemens Comfort panel KP1200
6AV2124-1MC01-0AX0

Siemens
Siemens SIRIUS ACT EMERGENCY STOP mushroom pushbutton, 22 mm, round, metal, shiny, red, 40 mm, with RONIS lock, lock number SB30, positive latching, acc. to EN ISO 13850, key-operated release
3SU1050-1HF20-0AA0

Siemens
Siemens SIRIUS USB PC kable for SIMOCODE, 3RW44,MSS,3SK2
3UF7941-0AA00-0

Siemens
Siemens Alpha 400/630 Din, Set for Terminal blockr with Terminal Support, Felt Cover without Cut-Out 8GK4401-2KK32

Siemens
Siemens Variable-frequency drive for pump- and fan drive 6SL3220-3YC18-0UF0

Siemens
Siemens Accessory for 3KD ST2, direct rotary control, grey, lockable
3KD9201-1
Technical guides
Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 6EP3437-8MB00-2CY0?
- 6EP3437-8MB00-2CY0 can be ordered from cballast.com as a Siemens catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Siemens product?
- The manufacturer part number is 6EP3437-8MB00-2CY0.
- What is the HS code for 6EP3437-8MB00-2CY0?
- The customs tariff (HS) code for 6EP3437-8MB00-2CY0 is 8504.40.
- Who manufactures 6EP3437-8MB00-2CY0?
- 6EP3437-8MB00-2CY0 is a Siemens product in the Control & Automation range.
- Is a datasheet available for 6EP3437-8MB00-2CY0?
- Yes — the 6EP3437-8MB00-2CY0 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 6EP3437-8MB00-2CY0?
- The minimum order quantity is 1.
- Is 6EP3437-8MB00-2CY0 available?
- Yes — 6EP3437-8MB00-2CY0 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).
