---
title: "Control Relay"
industry: "Electrical Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:CONTROL_RELAY"
  data_integrity_hash: "4bbf994ea16eb05e0004c0f5338322d0"
  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:CONTROL_RELAY"
  data_source_uri: "https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/control-relay.md"
  official_resource_url: "https://cnfx.com/industry/electrical-equipment-manufacturing/product/control-relay"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "5-30 VDC, 0.1-10 A, -40°C to +85°C ambient temperature"
    unit: "A"
engineering_limits:
  max_safe_operating_point:
    value: 100
    unit: "m"
    consequence: "Arcing erosion at contact surfaces due to inductive load switching, thermal degradation of coil insulation at 150°C, mechanical fatigue of spring mechanism at 10⁷ stress cycles"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Inductive load switching without snubber circuit"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "RC snubber network with 100 Ω resistor and 0.1 μF capacitor across contacts"
  - node_2:
      trigger: "Coil overvoltage exceeding 150% rated voltage"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Transient voltage suppressor diode with 39 V clamping voltage across coil terminals"
bom_nodes:
  electromagnetic-coil:
    type: "part"
    urn: "URN:CNFX:ME:ELECTROMAGNETIC_COIL"
    interface_type: "physical-logic-coupled"
  armature:
    type: "component"
    urn: "URN:CNFX:ME:ARMATURE"
    interface_type: "physical-logic-coupled"
  contact-set:
    type: "component"
    urn: "URN:CNFX:ME:CONTACT_SET"
    interface_type: "physical-logic-coupled"
  spring:
    type: "component"
    urn: "URN:CNFX:ME:SPRING"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "IEC 61810-1:2015 (ELECTROMECHANICAL ELEMENTARY RELAYS)"
    scope: "Verified Engineering Specification"
  - standard: "EN 61810-1:2015 (ELECTROMECHANICAL ELEMENTARY RELAYS - GENERAL AND SAFETY REQUIREMENTS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/control-relay.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "d7bd0ec36e5ff821b28b33600edc2342a5ce44bba541e8804457e783073a2770"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Control Relay

## 1. Technical Definition
An electromechanical switch used to control electrical circuits within the Treatment Timer system.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **5-30 VDC, 0.1-10 A, -40°C to +85°C ambient temperature**. Failure boundary: **Contact resistance exceeding 100 mΩ, coil insulation breakdown at 500 VAC, mechanical wear exceeding 500,000 cycles**, Mechanism: **Arcing erosion at contact surfaces due to inductive load switching, thermal degradation of coil insulation at 150°C, mechanical fatigue of spring mechanism at 10⁷ stress cycles**.

### 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 without snubber circuit | 8 | Contact welding due to arc persistence exceeding 10 ms | RC snubber network with 100 Ω resistor and 0.1 μF capacitor across contacts |
| Coil overvoltage exceeding 150% rated voltage | 8 | Insulation breakdown and coil burnout | Transient voltage suppressor diode with 39 V clamping voltage across coil terminals |

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

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Automated Assembly Line**, **Electrical Testing Equipment**, **Coil Winding Machine**  
**Downstream Applications**: Industrial Control Panels, Motor Starters, Programmable Logic Controller Systems  

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

### Q: What is the primary function of this control relay in the Treatment Timer system?
**A**: This control relay acts as an electromechanical switch to open or close electrical circuits within the Treatment Timer system, enabling automated control of timing functions in electrical equipment manufacturing applications.

### Q: What materials are used in the construction of this control relay?
**A**: The relay is constructed with copper for the electromagnetic coil and contacts, steel for the core and structural frame, and plastic for the housing and electrical insulation to ensure durability and safety.

### Q: What are the main components in the Bill of Materials (BOM) for this control relay?
**A**: The BOM includes four key components: the electromagnetic coil (creates magnetic field), armature (movable part), contact set (makes/breaks circuit), and spring (returns armature to default position).

## 6. Manufacturing Compliance
- IEC 61810-1:2015 (ELECTROMECHANICAL ELEMENTARY RELAYS)
- EN 61810-1:2015 (ELECTROMECHANICAL ELEMENTARY RELAYS - GENERAL AND SAFETY REQUIREMENTS)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Control Relay](https://cnfx.com/industry/electrical-equipment-manufacturing/product/control-relay)**

### 🌐 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**: CONTROL_RELAY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 6478adde
