Phoenix SACC-M8FS/M8FR & SACC-FSD/FSB/FS Series Industrial Circular Connectors Complete Selection Guide

I. Series Overview: Industrial-Grade M8 & FS Circular Connectors for Compact Signal & Power Transmission

The Phoenix SACC-M8FS/M8FR and SACC-FSD/FSB/FS series form a high-performance portfolio of industrial-grade 8mm circular connectors engineered for reliable signal, power and data transmission in factory automation, compact field device connection, and control cabinet wiring. This series covers three core categories: SACC-M8FS (female straight), SACC-M8FR (female rotatable) (3/4-core configurations) and SACC-FSD/FSB/FS (universal FS series) (2/4/5-core variants with dedicated functional coding). All connectors feature industrial-grade robustness, including IP67 ingress protection (when mated), wide operating temperature tolerance (-40°C to +85°C), EMC shielding (SH suffix), gold-plated contacts with ≥10,000 mating cycles, and compliance with PROFINET/ETH protocols (PN/ETH suffixes). Designed for tool-free bayonet locking, compact installation and compatibility with PG7/PG9 cable glands, these connectors perfectly match Phoenix sensors, actuators, and third-party industrial equipment, delivering stable, error-free connection solutions for harsh industrial environments, compact automation systems, and vibration-prone field applications.

Core Advantages

1. Dual M8 Female Configurations for Diverse Scenarios: M8FS (female straight) for fixed-alignment compact wiring; M8FR (female rotatable) for misalignment/vibration compensation, covering all 8mm female connection needs for field devices.
2. Full Functional Coding Coverage: QO (precision coded), PCON (power universal), CON (general signal/power), SC (special signal) and PL (power-optimized) coding for targeted transmission of precision signals, power and hybrid signal-power links, eliminating mismatches.
3. Industrial-Grade Reliability & Compliance: Shielded (SH) braided construction for high-noise environments; VA (voltage compliance), PN (PROFINET) and ETH (Ethernet) suffixes for regulatory and protocol compliance; PB (polarity protection) and IB (enhanced insulation) for electrical safety.
4. Flexible Length & Cable Gland Compatibility: Predefined cable lengths (0.25m/0.34m/0.5m/0.75m) for compact wiring; PG7 (3-5mm) and PG9 (5-9mm) cable gland support for thin/standard industrial cables; SCO suffix for standardized assembly compatibility.
5. Effortless Installation & Maintenance: Tool-free locking for fast mating; color-coded keyed coding for error-free installation; compact footprint for space-saving mounting in micro control cabinets and miniaturized field devices.

II. Product Classification & Detailed Parameter Table

Strictly aligned with your part number list, the series is categorized by connector type (M8FS / M8FR / FSD/FSB/FS) as the primary division, and further subdivided by core count & functional coding for clear differentiation. All part numbers, complete models, core parameters, key features and application scenarios are listed in full for 1:1 matching and direct procurement reference.

1. SACC-M8FS Series (8mm, Female Straight, 3/4-Core Connectors)

8mm female straight compact connectors for fixed-alignment field/cabinet wiring, featuring 4-core/3-core variants with QO/PCON/CON coding and SW/SH/VA/M suffixes, ideal for compact, low-vibration small-space applications.

1.1 4-Core SACC-M8FS Variants

1.2 3-Core SACC-M8FS Variants

2. SACC-M8FR Series (8mm, Female Rotatable, 3/4-Core Connectors)

8mm female rotatable connectors with angle adjustment for misalignment and vibration compensation, featuring 4-core/3-core CON coding and SW/SH suffixes, designed for vibration-prone and misaligned field device installation.

3. SACC-FSD/FSB/FS Series (Universal FS, 2/4/5-Core Connectors)

A versatile FS sub-series with FSD (double-ended), FSB (bulkhead-mount) and FS (standard) types, covering 2/4/5-core configurations with SC/QO/PL/CON coding and PN/ETH/PB/IB compliance suffixes, fully compatible with PROFINET/Ethernet protocols and industrial power transmission.

III. Nomenclature Decoding: SACC-M8 & FS Series Model Structure & Full Definition

✔ Universal Model Formats

SACC-M8FS/M8FR Series

SACC-M8[FS/FR]-[Core Count+Function Code]-[Length/Suffix]-[Grade/Feature]

SACC-FSD/FSB/FS Series

SACC-[FSD/FSB/FS]-[Core Count+Function Code]-[Suffix/Protocol]-[Grade/Feature]-SCO

✔ Key Component & Suffix Interpretation (Critical for Selection)

• SACC: Phoenix industrial circular connector series identifier
• Connector Type (Core Differentiator)✔ M8FS = M8 female straight (fixed alignment, compact small-space)✔ M8FR = M8 female rotatable (angle adjustment, vibration/misalignment compensation)✔ FSD = FS double-ended (device-to-device direct connection)✔ FSB = FS bulkhead-mount (panel/cabinet through-wall wiring)✔ FS = FS standard (general field/cabinet connection)
• Core Count + Functional Coding (Primary Selection)✔ QO = Precision coded (error-free mating for mass production, signal-focused)✔ PCON = Power universal (power-optimized general transmission)✔ CON = Universal (mixed signal/power, the most versatile coding)✔ SC = Special signal (precision sensor signal, anti-interference)✔ PL = Power-optimized (low contact resistance for actuator power distribution)
• Protocol & Compliance Suffixes✔ PN = PROFINET-compliant (for real-time industrial Ethernet networks)✔ ETH = Ethernet-compliant (standard industrial Ethernet)✔ VA = Voltage compliance (meets regional voltage safety regulations)✔ PB = Polarity protection (anti-reverse connection for power transmission)✔ IB = Enhanced insulation (reinforced electrical safety for high-voltage scenarios)
• Mechanical & Performance Suffixes✔ SH = Shielded (EMI/RFI braided shielding for high-noise environments)✔ SW = Switch-type (on/off switchable signal/power transmission)✔ M = Standard grade (basic functionality, cost-effective)✔ PG7/PG9 = Cable gland (PG7=3-5mm thin cables; PG9=5-9mm standard cables)✔ SCO = Standardized assembly suffix (universal compatibility for Phoenix system integration)
• Length Markers✔ 0.25/0.34/0.5/0.75m = Predefined fixed cable lengths for compact wiring

IV. 3-Step Quick Selection Technique (100% Accurate Matching)

Follow the connector type → core count & coding → suffix/feature confirmation logic to quickly lock the correct model, avoid complex parameter comparison and fully adapt to industrial compact signal/power connection requirements.

Step 1: Select Connector Type by Installation Scenario

✅ Compact fixed-alignment connection (low vibration) → SACC-M8FS (all female straight variants) – for embedded/miniaturized field sensors✅ Vibration/misaligned field connection (angle adjustment) → SACC-M8FR (female rotatable) – for machinery-mounted/vibration-prone devices✅ Device-to-device direct connection → SACC-FSD (double-ended) – for short-distance field device interconnection✅ Panel/cabinet through-wall wiring → SACC-FSB (bulkhead-mount) – for cabinet/field through-wall signal/power transmission✅ General field/cabinet connection (PG gland compatible) → SACC-FS (standard) – the most versatile FS variant

Step 2: Match Core Count & Functional Coding by Application Demand

✅ Precision signal transmission (PROFINET/Ethernet) → QO/SC + PN/ETH suffix (1411071/1436741)✅ Pure power distribution (sensors/actuators) → PL/PCON coding (1424676/1506781)✅ Mixed signal + power (general use) → CON coding (1681185/1513444) – the most common selection✅ Channel count: 4-core for multi-signal/power (1441079) | 3-core for compact low-channel (1441066) | 5-core for high-density (1432664) | 2-core for simple power/signal (1413932)

Step 3: Confirm Critical Suffixes & Features (Final Selection)

✔ Cable & Length Matching

• Thin cables (3-5mm, miniature devices) → PG7 suffix (1543032)
• Standard industrial cables (5-9mm) → PG9 suffix (1543045)
• Ultra-short compact wiring → 0.25/0.34m (1441053/1542910)
• Medium short-distance wiring → 0.5/0.75m (1441079/1414601)

✔ Special Feature Selection

• High-noise environments (motors/inverters) → SH suffix (shielded) (1436482/1432703)
• PROFINET/Ethernet compliance → PN/ETH suffix (1411071/1411069)
• Voltage regulatory compliance → VA suffix (1426314)
• Polarity safety (power transmission) → PB suffix (1413932)
• Enhanced insulation (high-voltage) → IB suffix (1432826/1424676)
• Switchable signal/power → SW suffix (1506891/1407584)
• Vibration/misalignment → M8FR (rotatable) (1513444/1529399)

V. Selection Pitfall Avoidance Guide (Critical for System Stability)

Avoid the 7 most common selection errors for the SACC-M8 & FS series to ensure connection reliability, electrical safety and protocol compliance in industrial applications.

1. Type Misuse for Vibration: Vibration-prone devices using M8FS (fixed) instead of M8FR (rotatable) → Select M8FR variants to prevent connection failure from misalignment/vibration.
2. Protocol Mismatch: PROFINET networks using non-PN suffix variants → Strictly choose PN-marked models (1411071/1436741) for PROFINET RT compliance.
3. Coding Error: Using SC/QO (signal) connectors for high-power transmission / PL (power) for precision signal → Match coding to transmission type (SC/QO for signal, PL for power).
4. Shielding Neglect: High-noise environments using non-SH shielded variants → All high-interference applications require SH suffix models to suppress EMI/RFI.
5. Safety Suffix Omission: Critical power systems without PB (polarity) / IB (insulation) suffixes → Add PB/IB variants (1413932/1432826) for electrical safety.
6. Cable Gland Mismatch: PG7 for 8mm cables / PG9 for 4mm cables → Match PG size to actual cable diameter (PG7=3-5mm, PG9=5-9mm).
7. Length Miscalculation: Insufficient cable length for device spacing → Select longer variants (0.75m) or cascade connectors to avoid tension-induced signal loss.

VI. Conclusion: Reliable Compact Connectivity for Industrial Signal & Power Links

The Phoenix SACC-M8FS/M8FR and SACC-FSD/FSB/FS series deliver a comprehensive 8mm circular connector solution covering fixed/rotatable female M8 connectors and universal FS variants, with diversified coding, protocol compliance and safety suffixes for compact signal/power transmission, vibration compensation and regulatory compliance. These connectors are the core connection components for miniaturized field sensors, compact automation systems and control cabinet wiring, ensuring stable, interference-free transmission in harsh industrial environments and precise matching for PROFINET/Ethernet networks, polarity protection and insulation safety requirements.