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Reinraumsteuerung und Umweltüberwachungssysteme
Pass Box Interlock System
A compact paired-door interlock that keeps opposite pass box doors mutually exclusive and gives operators clear release, locked and door-open feedback.
- Mutually Exclusive Doors
- Compact Embedded Controller
- Door-Open Alarm
- Timed Opposite-Door Release
Produkteinführung
The pass box interlock system is designed for two closely coupled transfer-hatch doors. Magnetic contacts confirm the actual door position, while compact electric strikes or electromagnetic locks enforce the interlock. Stainless pushbutton indicators on each side show whether the local door is available, occupied or locked. A release delay can be added after closure, and optional germicidal-cycle or purge-ready inputs can hold both doors locked while the pass box completes its internal sequence.
Key Features
Door contacts verify physical closure instead of relying only on the lock command.
Illuminated stainless buttons communicate local request and availability at both sides.
Optional cycle input keeps both doors secured during purge or internal treatment operation.
Kunden Produktbedenken
A pass box interlock must fit a compact enclosure and tolerate frequent door cycles while protecting the transfer boundary.
One door appears closed but the latch has not fully seated.A dedicated magnetic contact confirms actual closure before the opposite lock releases.
Operators on opposite sides cannot see which door is being used.Local illuminated indicators show available, occupied and alarm states on both faces.
Door slamming causes contacts to bounce and the opposite lock to chatter.Input debounce and a short release delay stabilize the sequence after closure.
A purge or treatment cycle is interrupted by an early door request.A cycle-hold input locks both doors until the pass box confirms completion.
Typische Anwendungen
Static transfer hatchesDynamic pass boxesSterile material transferLaboratory specimen pass-throughs
Technische Parameter
Typical materials and dimensions for a compact pass box door interlock controller are shown below.
| Core Material | Stainless steel faceplates with FR-4 interlock board, copper relays and flame-retardant polymer terminals |
|---|---|
| Panel Dicke | 35-90 mm embedded controller depth |
| Effektive Breite | 100-250 mm controller or faceplate width |
| Maximale Länge | Up to 350 mm controller enclosure length |
| Stahl facing Dicke | 1.0-1.5 mm 304 stainless steel faceplates |
| Kerndichte | 7900-8030 kg/m³ for 304 stainless steel parts |
| Thermische Leitfähigkeit | 14-17 W/(m·K) for 304 stainless steel faceplates |
| Oberfläche Finish | Brushed 304 stainless steel with green request and red locked indicators |
| Gemeinsamer Typ | Embedded two-door controller with quick-connect lock, contact, lamp and cycle terminals |
| Customisierung | Verfügbar je nach beabsichtigter Anwendung und Betriebsumgebung. |
Verfügbare Optionen
Electric strike or magnetic lockPurge-cycle lock inputDoor-open buzzerFlush stainless indicator plates
Planning a Pass Box Interlock System specification?
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