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This Swiss‑Standard Rack PDU is a 19‑inch 1U rack‑mount passive always‑on PDU engineered exclusively for Switzerland and Liechtenstein mission‑critical cabinet environments. Unlike switched VH‑4070 (with front power toggle) and bare‑modular VH‑4069 (for full custom assembly), this model omits any built‑in master switch entirely. It eliminates mechanical‑switch‑related failure modes plus human‑caused accidental power loss risks. Factory pre‑wired with SEV 1011 Type‑J native Swiss sockets, it delivers stable continuous power for hardware that cannot sustain even brief power interruptions.
Rated 10A / 2500W at 230VAC, built with thermally optimised extruded‑aluminium housing and CE / RoHS compliant. It targets installations where uptime reliability ranks above local manual power‑on‑off capability; widely selected for unmanned racks, security recording infrastructure and industrial control cabinets within Swiss regulated building environments.
Core positioning: Passive switch‑free power distribution for 24‑7 mission‑critical loads; removes switch‑contact burnout risk, eliminates mis‑operation risk by maintenance or cleaning personnel.
1.Switch‑Free Hard‑Wired Circuit Reduces Potential Failure Points
Most rack PDUs integrate a physical master toggle switch. Switched contacts gradually degrade under perpetual 24‑hour load and risk accidental tripping by technicians during cabinet access. VH‑4071 adopts hard‑wired passive main power loop. There are zero mechanical switching components inside the primary power path. This lowers long‑term wear‑and‑tear failure risk, especially valuable for unmanned server closets visited only at long intervals.
2. SEV 1011 Type‑J Socket Bank Validated For Swiss Local Regulatory Rules
Every Type‑J shuttered socket passes factory continuity and high‑voltage stress testing before shipment. It natively fits Swiss Type‑J equipment plugs without risky third‑party adapters. Generic Schuko EU PDUs deployed in Swiss sites risk non‑compliance with local NEV low‑voltage equipment surveillance requirements; this unit avoids such compliance pitfalls for commercial, education and government tender projects.
3. Aluminium Chassis Optimised For Non‑Stop Thermal Cycling
Compared with budget steel‑cased PDUs that accumulate heat under round‑the‑clock running conditions, extruded aluminium achieves superior passive heat dissipation. It suppresses socket‑contact oxidation caused by sustained high temperature, extends service lifespan under continuous load, and lightens total rack‑rail weight burden for densely‑populated Swiss server and security cabinets.
4. Limited‑Slot In‑Field Upgrade Path For Evolving Project Requirements
Although delivered as fixed‑configuration always‑on hardware, reserved auxiliary module bays allow installers to add surge suppression, power‑reading meters or USB charging ports at later project phases. Important hardware limitation: internal hard‑wiring structure cannot accept a master‑switch retrofit, preserving its switch‑free safety characteristic for critical‑load racks.
5. Dual‑Direction Mounting Adaptable To Diverse Swiss Cabinet Brands
Adjustable mounting lugs support front‑facing or reversed rear‑feed installation. Accommodates varied cable‑routing schemes common among Swiss cabinet OEMs, prevents sharp power‑cord bending which accelerates insulation ageing, simplifies retrofitting onto existing production racks without cabinet mechanical modification.
6. Complete Tender‑Ready Compliance Documentation Set
Full finished‑unit test reports are supplied alongside CE / RoHS documentation, to satisfy Swiss customs import checks and public‑sector tender audit check‑lists. OEM silkscreen custom marking is supported for bulk orders for local system‑integrator private‑label inventory.
| Category | Specification |
| Model | VH‑4071 |
| Form Factor | 1U horizontal rack‑mount, 19" EIA standard |
| Socket Standard | SEV 1011 Type‑J shuttered grounded Swiss sockets |
| Control Mode | Unswitched always‑on, NO integrated master power switch |
| Rated Voltage | 220–240VAC 50Hz |
| Max Rated Current | 10A |
| Max Power Output | 2500W |
| Enclosure | Extruded aluminium alloy, matte black finish |
| Overall Dimensions | 482.6 × 45 × 45 mm (L×W×H) |
| Mounting | Adjustable dual‑orientation mounting brackets |
| Input | Swiss standard mains plug; optional IEC‑C14 inlet; standard 2‑meter power cord, customisable cable lengths |
| Certifications | CE, RoHS, socket complies with SEV 1011 Swiss electrical specifications |
| Included Accessories | M6 mounting hardware, lock washers, installation manual |
| Supported Retrofit Modules | SPD surge‑protection, digital volt‑ampere meter, dual‑USB‑A charger, RJ45 signal filter (limited slots; master‑switch hardware cannot be retrofitted) |
1. 24‑hour security surveillance racks: NVR recording cabinets; unexpected power loss creates recording gaps and evidence‑retention risks. Widely adopted for city‑monitoring and building‑security projects across Switzerland and Liechtenstein.
2. Unattended branch‑site edge IT cabinets: Remote office racks with infrequent technician attendance; eliminates danger of non‑specialist staff accidentally cutting power.
3. Industrial automation enclosures: Continuous‑running PLC and production‑monitoring hardware; sudden power drop‑off may trigger production halt or equipment damage.
4. Building safety‑related automation racks: Access‑control, fire‑auxiliary‑monitoring hardware requiring uninterrupted power feed.
5. Small‑scale high‑availability data closets: Cost‑optimised rack power for non‑interruptible core IT gear, deployed paired with upstream UPS and separate branch‑circuit protection.
Deployment reminder: This PDU carries no internal over‑current cut‑off device or power switch. Project design must arrange adequately‑rated upstream rack‑branch overload protection according to Swiss local electrical installation codes.
• Protection: DY‑series SPD surge protectors
• Metering: DB‑series ammeter & volt‑ampere meters
• Auxiliary: Dual‑port USB charger, RJ45 signal filter
Note: This pre‑wired always‑on unit does not support master switch addition or full chassis re‑configuration. For switchable or fully customisable models, select VH‑4070 or VH‑4069.
Q: Under what conditions should I pick VH‑4071 instead of VH‑4070 (switched) or VH‑4069 (bare modular)?
A: Choose VH‑4071 when your top priority is eliminating human‑triggered accidental power loss for always‑on critical‑function hardware. Select VH‑4070 if you need local manual power on/off for routine cabinet maintenance. Choose VH‑4069 when you require complete chassis‑level custom module combination. All three adopt SEV 1011 Type‑J sockets, differing in internal control‑circuit layout and failure‑risk profile.
Q: Since there is no built‑in master‑switch, how do I safely power‑down connected equipment?
A: Power cut‑off operations need to be completed on upstream rack circuit‑breaker or UPS output terminal. This design is intentional for mission‑critical deployments: local cabinet‑level switch is intentionally omitted to rule out mis‑operation hazards.
Q: Can SPD surge‑protection or metering modules be added after installation?
A: Yes. Surge‑protection, power‑meter and USB‑charging modules fit available expansion bays. Master‑power‑switch modules cannot be installed, as internal wiring is permanently hard‑wired for always‑on operation.
Q: Are Type‑J sockets suitable for Swiss commercial‑building tender‑compliant deployments?
A: Yes, sockets satisfy SEV 1011 specification, complete test documentation is provided for tender submission and site audit.
Q: Does reversed‑orientation mounting degrade cooling performance or electrical safety?
A: No. Reversed mounting only changes cable‑exit direction; aluminium thermal dissipation and all electrical‑safety indicators remain unchanged.
Q: What upstream protection setup must be matched with this unswitched PDU?
A: This unit does not contain built‑in circuit‑breaker. The upstream rack‑branch must implement properly‑rated 10A over‑current protection following Swiss local electrical‑installation standards, which represents standard engineering practice for passive always‑on rack‑mount PDUs.
