Phoenix SACC-M12MR/MRX/MRS/MRB Series Industrial M12 Connectors Selection Guide

Opening: Specialized M12 Connectivity for Industrial Control, Power & Solar Applications

The Phoenix SACC-M12MR series expands its industrial M12 connector portfolio with four functional sub-series (MR/MRX/MRS/MRB) tailored for diverse scenarios—from basic signal/power transmission to solar energy systems, PROFINET communication, and harsh-environment power control. These connectors feature multi-core configurations (2/3/4/5/8/12-core), specialized functional types (SOL/PECON/Q/PL/CT/CON), flexible cable gland options (PG7/9/11), and critical features (shielding, PROFINET compliance, wide-temperature resistance, voltage certification). Designed for industrial automation, solar PV systems, PLC interfaces, and ruggedized field devices, they ensure reliable signal/power transmission with industrial-grade durability and protocol compatibility.

I. Core Advantages of the Series

1. Multi-Sub-Series & Functional Diversification

   • MR (Basic Series): The foundation of the portfolio, covering general signal (Q/CT), power (PL), universal connection (CON), and solar-specific (SOL) variants for mainstream industrial needs;
   • MRX (Enhanced Series): 8-core CT-coded connectors with click-lock (CL) design for high-precision encoding scenarios;
   • MRS (Specialized Series): 2/3-core PECON (power control) variants for targeted power management applications;
   • MRB (Wide-Temperature Series): 2/5-core PL/CON variants with performance optimization (PB) for extreme temperature environments;
   • Solar Focus: 12-core SOL variants for PV system wiring, meeting high-voltage and outdoor durability requirements.

2. Industrial-Grade Reliability & Environmental Adaptability

   • Wide operating temperature range (-40°C to +85°C), with the MRB sub-series optimized for extreme cold/heat;
   • SH (Shielded) variants: Braided shielding suppresses EMI/RFI interference, critical for inverter-proximal or high-noise industrial environments;
   • IP67 protection (when mated) against dust, water, and oil, suitable for field installations and outdoor solar systems;
   • Robust contact design: Gold-plated contacts ensure low contact resistance (≤20mΩ) and ≥10,000 mating cycles for long service life.

3. Protocol Compliance & Regulatory Compatibility

   • PN (PROFINET) certification: Q/PL-type variants (e.g., 1554539/1424684) for seamless integration with PROFINET industrial Ethernet networks;
   • VA (voltage certification): CON-type variants (e.g., 1553239/1553213) for voltage-compliant applications;
   • DN (dual-coding): PL-type variants (e.g., 1424671/1072544) for dual-protocol compatibility;
   • PB (performance optimization): MRB sub-series variants (e.g., 1424679) for enhanced mechanical strength and environmental resistance.

4. Flexible Installation & Cable Compatibility

   • Cable gland options: PG7 (small cables, ≤7mm), PG9 (standard, 7-9mm), PG11 (power cables, 9-11mm) for precise cable diameter matching;
   • Tool-free locking mechanisms (twist-lock/click-lock) for quick on-site assembly;
   • Male gender (M suffix, default) for universal compatibility with M12 female interfaces in sensors, PLCs, and field devices.

II. Product Classification & Detailed Parameter Table

The series is categorized by sub-series (MR/MRX/MRS/MRB) and functional type (SOL/PECON/Q/PL/CT/CON) with sub-variants based on core count, cable gland, shielding, and certifications.

1. SACC-M12MR Series (Basic M12 Connectors)

The foundational sub-series covering solar, signal, power, and universal connection needs.

2. SACC-M12MRX Series (Enhanced M12 Connectors)

Enhanced 8-core CT-coded connectors with click-lock design for high-precision scenarios.

3. SACC-M12MRS Series (Specialized M12 Connectors)

Specialized PECON (power control) variants for targeted power management.

4. SACC-M12MRB Series (Wide-Temperature M12 Connectors)

Wide-temperature optimized variants with performance-enhanced features.

5. SACC-M12MRD Series (Ruggedized M12 Connectors)

Ruggedized variants for harsh-environment signal/power transmission.

III. Nomenclature Decoding: Understanding the Part Number System

SACC-M12[Sub-series]-[Core Count][Function Type]-[Interface]-[Suffix]

• SACC: Product series identifier (industrial M12 circular connectors).
• Sub-series:
  • MR = Basic series (general-purpose signal/power/connection);
  • MRX = Enhanced series (high-precision coded connectors);
  • MRS = Specialized series (power control PECON variants);
  • MRB = Wide-temperature series (extreme environment optimization);
  • MRD = Ruggedized series (harsh-environment reinforcement).
• Core Count: 2/3/4/5/8/12 = Number of contacts (matches signal/power channel requirements).
• Function Type:
  • SOL = Solar-specific (PV system wiring, high-voltage compatible);
  • PECON = Power control (targeted power management for actuators/motors);
  • Q = Coded signal (protocol-compatible, e.g., PROFINET);
  • PL = Power (low-voltage actuator/device power supply);
  • CT = Coded (high-precision encoding for industrial Ethernet);
  • CON = Universal connection (versatile signal/power wiring).
• Interface:
  • PG7/9/11 = Cable gland size (matches cable diameter: PG7=small, PG9=standard, PG11=large).
• Suffix:
  • SH = Shielded (EMI/RFI protection);
  • M = Male gender (default if unspecified);
  • PN = PROFINET certification (protocol compliance);
  • VA = Voltage certification (regulatory compliance);
  • DN = Dual-coding (multi-protocol compatibility);
  • PB = Performance optimization (enhanced durability);
  • CL/CM = Click-lock (tool-free quick assembly);
  • PWR = Power-optimized (enhanced current handling);
  • SOL = Solar-specific (PV system compatibility).

IV. 3-Step Quick Selection Technique

Step 1: Select Sub-series Based on Application Scenario

• Solar PV systems: Choose SOL variants (1404410/1404421) for 12-core high-voltage wiring.
• PROFINET industrial Ethernet: Opt for PN-certified Q/PL/CT variants (1554539/1424684/1422847) for protocol compliance.
• Extreme temperatures (-40°C to +85°C): Pick MRB sub-series (1424663/1424679) for wide-temperature resistance.
• Harsh/vibration-prone environments: Select MRD ruggedized series (1554539/1553624) for reinforced durability.
• Power control applications: Use MRS PECON variants (1408985/1419641) for targeted power management.
• High-precision quick-connect: Choose MRX CT-coded series (1422845) with click-lock design.

Step 2: Match Core Count & Function Type to Transmission Needs

• Solar PV wiring: 12-core SOL variants (1404410/1404421) for multi-channel signal/power transmission.
• Power transmission: 2/3/4/5-core PL/PECON variants (1424659/1408985) based on current/channel requirements.
• Coded signal (PROFINET): 4/8-core Q/CT variants (1554539/1553653) for protocol-compatible transmission.
• Universal wiring: 4/5-core CON variants (1681473/1681101) for versatile signal/power integration.
• High-density transmission: 8-core CT/Q variants (1422845/1553653) for multi-channel data.

Step 3: Choose Interface & Certifications for Compatibility

• Cable diameter matching:
  • Small cables (≤7mm): PG7 gland (1662269/1681091);
  • Standard cables (7-9mm): PG9 gland (1404410/1681473);
  • Large cables (9-11mm): PG11 gland (1408992/1408985).
• High-interference environments: Select SH (shielded) variants (1554539/1422845) to suppress EMI.
• PROFINET projects: Mandatory PN-certified variants (1554539/1424684) for protocol compatibility.
• Regulatory compliance: Choose VA-certified variants (1553239/1553213) for voltage-compliant applications.
• Dual-protocol systems: Opt for DN (dual-coding) variants (1424671/1072544) for cross-protocol integration.
• Quick assembly: Select CL/CM (click-lock) variants (1422845/1422847) for tool-free installation.

V. Recommended Industry-Scenario Combinations

VI. Selection Pitfall Avoidance Guide

1. Core Count Mismatch: Using 5-core connectors for 12-core solar PV systems → Select 12-core SOL variants (1404410/1404421) for full-channel transmission.
2. PROFINET Certification Neglect: Using non-PN variants for protocol projects → Choose PN-certified models (1554539/1424684) to avoid communication failures.
3. Cable Gland Incompatibility: Using PG7 glands for 8mm cables → Match gland size to cable diameter (PG9 for 7-9mm) to ensure IP67 protection.
4. Shielding Neglect: Using non-SH connectors in high-interference environments (inverters/motors) → Select SH variants (1554539/1422845) to prevent signal distortion.
5. Function Type Error: Using signal-type (Q/CT) connectors for power transmission → Choose PL/PECON variants (1424659/1408985) for enhanced current handling.
6. Temperature Mismatch: Using standard variants in extreme-temperature environments → Opt for MRB sub-series (1424663/1424679) for wide-temperature resistance.
7. Dual-Protocol Needs Using Single-Coded Connectors: Using non-DN variants for cross-protocol systems → Select DN-coded models (1424671/1072544) for seamless integration.

Conclusion: Select the Right SACC-M12MR Connector for Specialized Industrial Connectivity

The Phoenix SACC-M12MR/MRX/MRS/MRB series delivers specialized M12 connectivity solutions for solar PV, PROFINET, power control, and harsh-environment applications, combining multi-sub-series flexibility, industrial-grade durability, and protocol compliance.