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CONSILIUM SALWICO NS-SCI Short Circuit Isolator – N11891 / N11892
📌 Product Information
🔹 Brand: Consilium Salwico
🔹 Model: NS-SCI
🔹 Part Number: N11891
🔹 PCB Part Number: N11892
🔹 PCB Identification: NS-SCI R4.1 / 11892 / 0906 FBG / NITTAN
🔹 Product Type: Analogue Addressable Short Circuit Isolator
🔹 Nominal Operating Voltage: 24V DC
🔹 Operating Voltage Range: 15–35V DC, as specified
🔹 Ingress Protection: IP55, as specified
🔹 Condition: Used – In Good Working Condition
🔹 Source: Professionally removed from a decommissioned ship
🔹 Country / Manufacturing Origin: Gothenburg (Göteborg), Sweden, as supplied
📖 Product Overview
The Consilium Salwico NS-SCI Short Circuit Isolator is an analogue addressable fire detection system component designed to help protect compatible fire alarm loops against short-circuit faults.
The isolator is intended to separate an affected section of the detection loop when a short circuit occurs, helping the remaining sections of a correctly configured system continue operating.
This unit is identified by part number N11891, with PCB reference N11892, and is associated with compatible Salwico NSAC-1 and CS4000 fire alarm systems, subject to system compatibility verification.
Professionally removed from a decommissioned ship, this unit is offered in used condition and reported to be in good working order. It may be suitable for marine fire detection maintenance, replacement requirements, and compatible legacy fire alarm installations.
⚙️ Key Features
🟢 Short Circuit Isolation: Designed to isolate an affected section of a compatible fire detection loop during a short-circuit fault.
🟢 Addressable Fire Alarm System Component: Intended for use within compatible analogue addressable fire detection systems.
🟢 24V DC Nominal Supply: Designed for loop-powered operation according to the supplied specifications.
🟢 Fault Indication: The supplied information describes a yellow LED on the PCB for short-circuit fault indication.
🟢 DIP Switch Addressing: Address configuration is described as DIP-switch based; verify the exact configuration procedure before installation.
🟢 Marine Electrical Equipment: Sourced from a shipboard fire detection installation.
🟢 Compact Enclosure: Grey PC/ABS housing, with an IP55 rating stated in the supplied technical information.
🛡️ Protection and Operating Functions
🔸 Short-circuit fault isolation on compatible fire detection loops
🔸 Separation of an affected loop section to help preserve operation of the remaining system
🔸 Visual fault indication via the PCB LED, as specified
🔸 Address configuration for compatible system installations
🔸 Polarity-dependent DC loop connection
🏭 Typical Applications
🔹 Marine fire alarm systems
🔹 Shipboard fire detection loops
🔹 Compatible Consilium Salwico NSAC-1 systems
🔹 Compatible Consilium Salwico CS4000 systems
🔹 Fire detection loop maintenance and repair
🔹 Replacement of compatible short-circuit isolator modules
🔹 Legacy marine fire safety installations
📋 Technical Specifications
Specification | Details |
Brand | Consilium Salwico |
Model | NS-SCI |
Part Number | N11891 |
PCB Part Number | N11892 |
PCB Identification | NS-SCI R4.1 / NITTAN |
Product Type | Analogue Addressable Short Circuit Isolator |
Nominal System Voltage | 24V DC |
Operating Voltage Range | 15–35V DC, as supplied |
Normal Supervising Current | Approximately 0.25 mA, |
Alternative Standby Figure | Less than 150–250 µA, depending on the stated operating condition |
Activated Current | Approximately 2.5 mA, |
Ingress Protection | IP55, as supplied |
Operating Temperature | -25°C to +70°C, as supplied |
Housing Material | PC/ABS |
Housing Colour | Grey |
Dimensions | Approximately 97 × 97 × 58 mm |
Weight | Approximately 270 g |
Addressing | DIP switch, as supplied |
Polarity | Polarity-dependent (+/−) |
Stated Approvals | MED and CPR / EN 54-17; |
Condition | Used – In Good Working Condition |
Source | Professionally removed from a decommissioned ship |
Origin | Gothenburg, Sweden, as supplied |
📐 Dimensions and Weight
📏 Length: 97 mm
📏 Width: 97 mm
📏 Depth: 58 mm
⚖️ Weight: 270 g per unit
🧱 Enclosure: Grey PC/ABS housing
📦 Condition and Package Contents
✔ Used marine fire detection component.
✔ Reported to be in good working condition.
✔ Professionally removed from a decommissioned ship.
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