Phoenix SACC-MINFR/M16FR/M12 Series Industrial Circular Connectors Selection Guide

Opening: Specialized Connection Solutions for Compact & High-Density Industrial Field Devices

The Phoenix SACC-MINFR/M16FR/M12 series is a portfolio of industrial-grade circular connectors tailored for compact field devices, high-core-count signal/power transmission, and M12-standard industrial interfaces. Covering compact MINFR (3-5 core), high-density M16FR (14 core), and versatile M12 (2-8 core) sub-series—including basic accessories, signal/ethernet (MSX/MSD), power (MST/MSS), and fiber (MSL) variants—these connectors feature IP67 protection (when mated), shielded (SH) EMI resistance, and compatibility with PROFINET/ETH industrial protocols. Widely used in sensor/actuator wiring, industrial Ethernet networks, and compact control cabinet interconnection, they ensure reliable transmission in harsh factory and outdoor environments.

I. Core Advantages of the Series

1. Multi-Scenario Interface Compatibility
   • M12 standard interface: Industry-universal M12 connectors support 2-8 core signal/power/ethernet transmission, compatible with global industrial sensors/PLCs;
   • MINFR compact design: 3-5 core small-size connectors for space-constrained devices (e.g., miniaturized sensors/auxiliary actuators);
   • M16FR high-density: 14-core M16 FR connector for complex hybrid signal/power transmission in limited cabinet space.
2. Industrial-Grade Reliability
   • IP67 ingress protection (when mated) for dust/water resistance, suitable for workshop floors and outdoor field installations;
   • SH shielded variants (suffix SH) for EMI suppression, ensuring signal integrity near inverters/motors;
   • Gold-plated contacts for low contact resistance and ≥10,000 mating cycles, reducing maintenance frequency.
3. Diverse Functional Customization
   • Protocol compatibility: MSX/MSD series support PROFINET (ETH suffix) and PN (power-neutral) coding for Siemens control systems;
   • Power/signal separation: MST/MSS series (2PE/3PE) for dedicated power transmission, MSD/MSX for signal/ethernet;
   • Cable flexibility: PG7/9/11/13 thread glands for different cable diameters (2.5mm² max), matching field wiring needs.
4. Plug-and-Play Installation
   • Tool-free locking nuts (SCO NUT) for quick field assembly;
   • Pre-configured SET kits (M12-SET) for one-stop wiring of 2.5-3.5mm cables;
   • DIN rail or panel-mounted options, compatible with Phoenix control cabinet infrastructure.

II. Product Classification & Detailed Parameter Table

The series is categorized by interface type and functional focus (MINFR Compact Series, M16FR High-Density Series, M12 Basic Accessories, M12 Functional Connectors) with sub-variants based on core count, protocol, and installation specifications.

1. SACC-MINFR Series (Compact FR Interface Connectors)

3-5 core compact connectors with PG9/11/13 glands, designed for space-constrained field and cabinet-internal devices.

2. SACC-M16FR Series (14-Core High-Density M16 Connectors)

14-core M16 FR connector for high-density hybrid signal/power transmission in complex control systems.

3. SACC-M12 Basic Accessories (Cable Kits & Mechanical Components)

M12-standard installation accessories and cable kits for quick field deployment and connector fixation.

4. SACC-M12 Functional Connectors (Signal/Power/Ethernet/Fiber)

The core sub-series of M12 connectors, divided into MSX (8-core ethernet/signal), MST/MSS (2PE/3PE power), MSL (4-core fiber), and MSD (4-core signal/power/control) variants.

4.1 MSX Series (8-Core M12 Signal/Ethernet Connectors)

8-core M12 connectors for industrial ethernet (ETH) and PN-coded signal transmission, with shielded (SH) EMI protection.

4.2 MST/MSS Series (2PE/3PE M12 Power Connectors)

2/3-core M12 power connectors for dedicated PE (protective earth) power transmission, with PG7/9/11 cable glands.

4.3 MSL Series (4-Core M12 Fiber Connectors)

4-core M12 fiber (FEPL) connectors for optical signal transmission in high-interference environments.

4.4 MSD Series (4-Core M12 Signal/Power/Control Connectors)

4-core M12 connectors for general signal (Q), power (PL), control (CT), and cable gland (CON) applications, with rich coding and shielding options.

III. Series Nomenclature Decoding

SACC-[Interface Series]-[Core Count/Type]-[Coding/Function]-[Gland/Feature Suffix]

• SACC: Product series identifier (industrial circular connector for field device interconnection).
• Interface Series:
  • MINFR = Compact FR-interface connector (3-5 core, space-constrained);
  • M16FR = 14-core M16 FR high-density connector;
  • M12 = M12-standard interface (sub-divided into MSX/MST/MSS/MSL/MSD by function);
    • MSX = 8-core M12 signal/ethernet;
    • MST/MSS = 2PE/3PE M12 power;
    • MSL = 4-core M12 fiber (FEPL);
    • MSD = 4-core M12 signal/power/control.
• Core Count/Type:
  • XCON = X-core general connection (e.g., 5CON=5-core);
  • XPE = X-core protective earth power (e.g., 3PE=3-core power);
  • XQ/XQO = X-core signal (QO=special coding);
  • XPL = X-core power (PL=power contact);
  • XCT = X-core control signal (CT=control coding);
  • XFEPL = X-core fiber (FEPL=fiber optic).
• Coding/Function:
  • QO/CT/PN = System coding (QO=legacy, CT=control, PN=PROFINET power-neutral);
  • ETH = Industrial Ethernet compatibility;
  • SH = Shielded (EMI protection);
  • CL/CM = Locking type (CL=click-lock, CM=mechanical lock);
  • WL = Waterproof (enhanced IP protection).
• Gland/Feature Suffix:
  • PG7/9/11/13 = Cable gland size (matches cable diameter);
  • /2,5 = Supports 2.5mm² high-current cable;
  • L 90 = 90° angled accessory;
  • M = Male connector (female suffix omitted for standard);
  • SET = Complete cable installation kit.

IV. 3-Step Quick Selection Technique

Step 1: Select Series Based on Interface & Space Requirements

• Compact 3-5 core devices (space-constrained): Choose MINFR series (1521478/1521517) for narrow cabinets/mini-devices.
• 14-core high-density hybrid transmission: Opt for M16FR series (1500253) for complex robotic/workstation interconnection.
• M12-standard field devices: Pick M12 functional series (MSX/MSD for signal/ethernet, MST/MSS for power, MSL for fiber).
• M12 installation/deployment: Select M12 basic accessories (SET kit for wiring, SCO NUT for locking).

Step 2: Match Function to Transmission Demand

• Industrial Ethernet/PROFINET: Choose MSX/MSD with ETH/PN suffix (1411043/1411066) for real-time control communication.
• 2PE/3PE power supply: Select MST/MSS series (1404641/1419639) for dedicated PE power transmission.
• Fiber signal (high-interference): Pick MSL series (1080235) with SH shielding for optical data transmission.
• General 4-core signal/power: Opt for MSD series (1543223/1424682) based on coding (Q/PL/CT) needs.

Step 3: Choose Gland/Shielding for Installation Conditions

• Cable diameter matching:
  • Ultra-small cables (≤φ7mm): PG7 gland (1521258);
  • Small cables (φ7-9mm): PG9 gland (1521261/1107268);
  • Medium cables (φ9-11mm): PG11 gland (1404641/1456297);
  • Large cables (φ11-13mm): PG13 gland (1456307) (supports 2.5mm² high-current).
• High-interference environments: Select SH shielded variants (1080235/1411044) to suppress EMI.
• Space-constrained installation: Pick 90° angled nuts (1432460) for side-mount device wiring.

V. Recommended Industry-Scenario Combinations

VI. Selection Pitfall Avoidance Guide

1. Interface Compatibility Error: M12 PLC devices using MINFR connectors → Choose M12 functional series (MSD/MSX) to ensure mechanical/electrical matching and prevent connection failure.
2. Shielding Neglect: Inverter-proximal signals using non-SH connectors → Select SH shielded variants (1080235/1411044) to suppress EMI and avoid signal distortion.
3. Cable Gland Mismatch: 2.5mm² cables using PG7 glands → Pick PG11/13 glands with /2,5 suffix (1456307/1456297) to ensure cable fixation and IP67 protection.
4. Protocol Incompatibility: PROFINET networks using non-PN/ETH connectors → Choose PN/ETH suffix models (1411068/1411043) to enable real-time control communication.
5. Space Oversight: Narrow device cavities using straight nuts → Select 90° angled nuts (1432460) to avoid cable bending damage and improve installation fit.

Conclusion: Select the Right SACC Connector for Field Device Interconnection

The Phoenix SACC-MINFR/M16FR/M12 series provides targeted circular connection solutions for compact, high-density, and M12-standard industrial devices, covering signal, power, ethernet, and fiber transmission with diverse coding and shielding options.