Rittal DK 7856.220 PSM Plus Socket Module - 4-way C13
Part Number: 7856220
Manufacturer
Rittal
Part number
7856220
Category
Alt Part Number
DK 7856.220
Quick Summary
Rittal DK 7856.220 PSM Plus socket module is a modular power distribution solution for 19-inch enclosures. It addresses the common challenge of wiring and reconfiguring racks quickly while preserving safety. Designed for CE safety alignment and compatible with typical IP-rated enclosures, it also provides shock‑hazard protected plug‑and‑play operation. By offering a scalable, 4‑way C13 path in a compact 250 mm module, it enables faster deployment and lower maintenance costs for industrial automation and data centers. In short, this module supports efficient power distribution, easy installation, and reliable protection for active components.
Product Information
Extended Description
7856220 Rittal: DK PSM Plus socket module, C13, 4-way, black, non-switchable, with thermal overcurrent protection
Article number
DK 7856.220
Design
non-switchable
Product description
The modular system facilitates basic configuration of the racks, thanks to a vertical support rail with single-/3-phase infeed. The various socket modules to supply the active components may be snap-fitted into the support rail. The various modules, earthing pins, IEC320 etc. may be inserted into the support rail in any combination. This is easily achieved, even by non-electricians, thanks to the shock hazard protected plug & play system.
Material
Section: Aluminium, anodised | Socket inserts: Plastic (PA6 GF 30 V1)
Length
250 mm
Type of electrical connection
WAGO WINSTA MIDI
Phases per infeed
1~
Thermal overcurrent protection
per socket
Rated operating voltage
110 V – 230 V AC, 50/60 Hz
Rated current (max.)
16 A
Required number of module slots
1
Dimensions
Length: 250 mm
Operating temperature range
5 °C...45 °C
Ambient humidity (non-condensing)
5...95 %
Sockets
4 x IEC 320 socket C13
Packs of
1 pc(s).
Weight/pack
0.36 kg
Customs tariff number
85369001
EAN
4028177438842
ETIM 9
EC000330
ECLASS 8.0
27142604
Product description
DK PSM Plus socket module, C13, 4-way, black, non-switchable, with thermal overcurrent protection
Four IEC 320 C13 sockets in a single DK PSM Plus module consolidate power delivery to critical components. The 4x sockets simplify wiring diagrams, reducing cross‑cabinet cabling and installation time while improving fault tracing. This is particularly valuable in rack power distribution for automation cabinets and data centers where downtime is costly. The unit operates across 110–230 VAC at 50/60 Hz with a 16 A maximum per module, enabling a single SKU to cover multiple regional mains standards and simplifying procurement while maintaining strong uptime. Thermal overcurrent protection per socket guards connected devices, limiting fault cascades and supporting preventative maintenance programs. WAGO WINSTA MIDI compatibility streamlines connectorization and on-rail assembly, reducing field wiring errors and enabling faster scoping of rack power. The module uses an anodised aluminium body with PA6 GF 30 V1 socket inserts for rugged durability in harsh environments and 5–45 °C operating conditions with 5–95% RH non-condensing humidity tolerance. This combination supports reliable performance in industrial automation and data-center rack environments, with predictable lifecycle costs. The compact 250 mm length and 1-slot requirement promote scalable configurations and easy retrofit into existing rack systems.
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FAQs
Install the DK 7856.220 onto the 19-inch support rail using the DIN-rail compatible snap-fit design. Ensure the 1-slot requirement is met and connect the 4 IEC 320 C13 sockets to the active components using standard WAGO WINSTA MIDI connectors. Verify clearance and thermal management, then test each socket for correct seating and continuity.
Each module provides 4x IEC 320 C13 sockets with a 110–230 VAC, 50/60 Hz supply and a maximum of 16 A per socket. Thermal overcurrent protection is per socket to prevent overheating. It is designed for 1-phase infeed (1~) and supports a safe, non-switchable configuration to avoid accidental power loss to critical components.
Yes. The DK 7856.220 is designed for modular rack power distribution in industrial automation and data-center environments. Its corrosion-resistant aluminium body, rugged PA6 GF 30 V1 socket inserts, and shock-protected plug‑and‑play system support reliable operation, quick reconfiguration, and scalable deployment in high-demand settings.
The design emphasizes CE safety alignment for EU markets and compatibility with common enclosure standards. While exact IP ratings are enclosure-dependent, the system is built to work with IP-rated housings and maintain safe operation in typical factory environments; always verify enclosure IP rating to ensure full environmental protection.
Maintenance benefits come from plug-and-play configuration, reduced wiring errors, and per-socket overcurrent protection that minimizes component failures. The modular design reduces downtime during reconfigurations and supports scalable power distribution, leading to lower lifecycle costs and faster ROI in expanding automation or data-center rack deployments.