---
title: "Electrical Switch Module"
industry: "Motor Vehicle Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ELECTRICAL_SWITCH_MODULE"
  data_integrity_hash: "b5bcae3c0c56d32a19070b20828f514c"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:ELECTRICAL_SWITCH_MODULE"
  data_source_uri: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/electrical-switch-module.md"
  official_resource_url: "https://cnfx.com/industry/motor-vehicle-manufacturing/product/electrical-switch-module"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "12-16 V DC at 10-30 A continuous, -40°C to 125°C ambient temperature"
    unit: "V/A"
engineering_limits:
  max_safe_operating_point:
    value: 50
    unit: "m"
    consequence: "Arcing-induced contact erosion (Paschen's Law breakdown at 327 V/mm in air), thermoplastic deformation above 150°C glass transition temperature, fretting corrosion at contact interfaces"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Inductive load switching causing 300-500 V voltage transients (L di/dt)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "RC snubber circuit with 100 Ω/0.1 μF values, MOV protection rated for 20 J surge energy"
  - node_2:
      trigger: "Contact bounce exceeding 2 ms duration during 10 m/s actuator velocity"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Over-center spring mechanism with 15 N preload, silver-cadmium oxide contacts with 45 HRB hardness"
bom_nodes:
  switch-contacts:
    type: "component"
    urn: "URN:CNFX:ME:SWITCH_CONTACTS"
    interface_type: "physical-logic-coupled"
  actuatorsensor:
    type: "part"
    urn: "URN:CNFX:ME:ACTUATORSENSOR"
    interface_type: "physical-logic-coupled"
  connector-housing:
    type: "component"
    urn: "URN:CNFX:ME:CONNECTOR_HOUSING"
    interface_type: "physical-logic-coupled"
  mounting-bracket:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_BRACKET"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
url: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/electrical-switch-module.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "67f0e08d98cdc668264dc60d111c886a034c6af4fe306f8c7a3c7b27a9ee0ae5"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Electrical Switch Module

## 1. Technical Definition
An electrical component within the ignition lock assembly that controls the flow of electrical current to enable or disable the vehicle's ignition system.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **12-16 V DC at 10-30 A continuous, -40°C to 125°C ambient temperature**. Failure boundary: **Contact resistance exceeding 50 mΩ at rated current, dielectric breakdown below 500 V AC at 50 Hz, mechanical wear exceeding 100,000 actuation cycles**, Mechanism: **Arcing-induced contact erosion (Paschen's Law breakdown at 327 V/mm in air), thermoplastic deformation above 150°C glass transition temperature, fretting corrosion at contact interfaces**.

### 2.1 Analytical Physics Model
Governed by the **Joule Heating & Thermal Resistance**:

> **Primary Equation**: $P = I^2 R = \frac{V^2}{R}$  
> **Engineering Impact**: Governs heating element sizing for shrink tunnels/sealers.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| I | Current | Engineering Constant |
| R | Resistance | Engineering Constant |
| V | Voltage | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Inductive load switching causing 300-500 V voltage transients (L di/dt) | 8 | Dielectric breakdown across 0.5 mm contact gap | RC snubber circuit with 100 Ω/0.1 μF values, MOV protection rated for 20 J surge energy |
| Contact bounce exceeding 2 ms duration during 10 m/s actuator velocity | 8 | Micro-arcing causing tungsten contact erosion at 10^-6 g/operation | Over-center spring mechanism with 15 N preload, silver-cadmium oxide contacts with 45 HRB hardness |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | V/A | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Actuator/Sensor](https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/actuatorsensor.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Automated Assembly Line**, **Electrical Testing Equipment**, **Clean Room Environment**  
**Downstream Applications**: Ignition Lock Assembly, Steering Column Module, Vehicle Security System  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What is the primary function of this electrical switch module in motor vehicles?
**A**: This switch module controls electrical current flow within the ignition lock assembly, enabling or disabling the vehicle's ignition system to start or secure the engine.

### Q: What materials ensure durability in this automotive switch module?
**A**: It features a thermoplastic housing for impact resistance, copper alloy contacts for reliable conductivity, and a PCB for stable electrical performance in vehicle environments.

### Q: How does this switch module integrate with other vehicle components?
**A**: It connects via the BOM's actuator/sensor and connector housing, mounts with the bracket, and interfaces with the ignition system through switch contacts for seamless operation.

## 6. Manufacturing Compliance

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Electrical Switch Module](https://cnfx.com/industry/motor-vehicle-manufacturing/product/electrical-switch-module)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: ELECTRICAL_SWITCH_MODULE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: e82270ad
