Phoenix CA Series Industrial Circular Connectors Complete Selection Guide

I. Series Overview: Precision Industrial Circular Connectors for Signal & Power Transmission

The Phoenix CA series is a full portfolio of high-precision industrial circular connectors engineered for reliable signal and power transmission in factory automation, control cabinet integration, and industrial machinery applications. This series features 12-pin and 9-pin core configurations, four functional connector types (S/P/M/F) and diversified suffix specifications for voltage/current rating, coding, and shielding. All variants deliver industrial-grade robustness, including wide operating temperature tolerance (-40°C to +85°C), EMC anti-interference compliance (IEC 61000-6-2/4), and mechanical vibration resistance. Designed for flexible installation (cabinet panel-mount, field device connection, DIN rail-adaptable), these connectors perfectly match Phoenix control modules, sensors, actuators and third-party industrial equipment, providing stable, error-free connection solutions for harsh industrial environments and precision signal/power transmission scenarios.

Core Advantages

1. Dual Pin-Count Grading: Covers 12-pin (CA-12) and 9-pin (CA-09) core configurations to precisely match multi-channel signal/power and compact low-channel connection requirements.
2. Multi-Type Functional Adaptation: S/P/M/F type differentiation for diverse industrial application scenarios, including standard signal (S), power-optimized (P), multi-pole (M) and field-installed (F) variants.
3. Industrial-Grade Reliability: Gold-plated contacts with ≥10,000 mating cycles; rugged metal/plastic housing with abrasion and corrosion resistance; shielded suffix options for high-noise environments to ensure signal integrity.
4. Flexible Specification Matching: Supports 8A/12A current ratings and a full range of functional suffixes (DN/DNS/07S/2S00) for coding, shielding, and regional compliance, adapting to customized industrial connection needs.
5. Plug-and-Play Installation: Precision keyed coding for error-free mating; tool-free locking mechanisms; compact structural design for space-saving installation in control cabinets and field devices.

II. Product Classification & Detailed Parameter Table

Strictly aligned with your part number list, the series is categorized by core pin count (12-pin CA-12 / 9-pin CA-09) as the primary classification, and further subdivided by connector type (S/P/M/F). All part numbers, complete models, core parameters, key features and application scenarios are listed in full for one-to-one matching and direct procurement reference.

1. CA-12 Series (12-Pin Core Configuration - Full Range Variants)

1.1 CA-12S1N Type (12-pin, S-series Standard Signal)

1.2 CA-12P1N Type (12-pin, P-series Power-Optimized)

1.3 CA-12M/F Type (12-pin, M-series Multi-pole / F-series Field-installed)

2. CA-09 Series (9-Pin Core Configuration - Compact Variants)

III. Nomenclature Decoding: CA Series Model Structure & Full Definition

Universal Model Format

CA-[Pin Count][Connector Type][Pole Configuration][Current Rating][Coding/Suffix]

Key Component & Suffix Interpretation (Critical for Selection)

• CA: Phoenix industrial circular connector series identifier
• Pin Count: 12 / 09 → 12-pin / 9-pin core configuration (defines channel quantity)
• Connector Type:✔ S = Standard signal-focused variant (primary for industrial signal transmission)✔ P = Power-optimized variant (low contact resistance for power distribution)✔ M = Multi-pole variant (dual-pole configuration for mixed signal/power)✔ F = Field-installed variant (environmental protection for on-site harsh conditions)
• Pole Configuration: 1N / 2N → Single-pole / Dual-pole internal structure (matches wiring topology)
• Current Rating: 8A / 12 → 8A standard current / 12A high-current rating (core electrical parameter)
• Coding/Suffix (Functional Differentiation - Most Critical):✔ DN = Standard shielded coding (basic anti-interference, cabinet-internal use)✔ DNS = Enhanced shielded coding (reinforced EMI/RFI protection for high-noise environments)✔ 07S / 8007 / 9007 = Custom pin assignment coding (for project-specific wiring requirements)✔ 2S00 = Compact structural coding (ultra-small footprint for space-constrained applications)✔ AD00 = Power-optimized coding (low contact resistance for power transmission)✔ 85DU / 8504S / 8502 = Field-installed coding (environmental protection for on-site use)✔ 90DN / 80DN = Standard precision keyed coding (error-free mating for mass production)

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

Follow the pin count → connector type → current/suffix matching logic to quickly lock the correct model, avoid complex parameter comparison, and fully adapt to industrial signal/power connection requirements.

Step 1: Select Core Pin Count by Channel Demand

✅ 12-channel signal/power transmission (multi-module, complex systems) → CA-12 series (all 12-pin variants) – the most widely used type✅ 9-channel signal/power transmission (compact, small-scale systems) → CA-09 series (all 9-pin variants) – for space-constrained/ low-channel applications

Step 2: Match Connector Type by Application Scenario

✅ Pure signal transmission (control cabinets/automation) → S-type (CA-12S1N/CA-09S1N) – standard for signal links✅ Pure power distribution (sensors/actuators) → P-type (CA-12P1N/CA-09P1N) – power-optimized with low contact resistance✅ Mixed signal + power transmission → M-type (CA-12M2N) – multi-pole structure for hybrid wiring✅ Field-installed harsh environment connection → F-type (CA-12F1N/CA-12F2N) – environmental protection for on-site use

Step 3: Confirm Current Rating & Functional Suffix (Final Selection)

✔ Current Rating Matching (Based on Load Demand)

• Low/standard current load (≤8A, general sensors/signals) → 8A rated variants (all 8A-marked models)
• High-current load (8A~12A, heavy-duty actuators/power) → 12A rated variants (CA-12S1N12/CA-09P1N12)

✔ Functional Suffix Matching (Based on Environment/Requirement)

• High-noise industrial environments (motors/inverters) → DNS suffix (enhanced shielding) (1619591/1619597)
• Control cabinet internal use (low interference) → DN suffix (standard shielding) (1620158/1619761)
• Space-constrained cabinets → 2S00 suffix (compact) (1619967/1619970)
• Custom pin assignment (project-specific wiring) → 07S/8007/9007 suffix (1619520/1619710)
• Field-installed on-site applications → 85DU/8504S suffix (F-type) (1619633/1619456)

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

Avoid the 6 most common selection errors of the CA series to ensure connection reliability, electrical safety and compliance with industrial application requirements.

1. Pin Count Mismatch: Using 9-pin connectors for 12-channel systems or vice versa → Strictly match pin count (12/09) to the actual channel quantity of devices.
2. Type Misuse: Using S-type (signal) for high-power transmission / P-type (power) for precision signal → Select S-type for signal, P-type for power to ensure transmission performance.
3. Current Underconfiguration: Selecting 8A variants for 10A+ high-current loads → Choose 12A rated models (1620075/1620164) to avoid overload and contact overheating.
4. Shielding Neglect: High-noise environments using non-DNS/DN shielded variants → All high-interference applications require shielded suffix models (DNS/DN) to suppress EMI/RFI.
5. Suffix Misunderstanding: Confusing custom pinout suffixes (07S/8007) with standard coding → Verify pin assignment coding with project wiring diagrams before selection.
6. Installation Scenario Error: Using cabinet-internal (DN) variants for field installation → Select F-type (85DU/8504S) for on-site harsh environment connection.

VI. Conclusion: Reliable Circular Connectors for Industrial Signal & Power Links

The Phoenix CA series provides a comprehensive industrial circular connector solution covering 12/9-pin configurations, S/P/M/F functional types and 8A/12A current ratings, with diversified suffixes for shielding, coding and structural adaptation. These connectors are the core connection components for industrial automation systems, control cabinets and field devices, ensuring stable, error-free signal/power transmission in harsh industrial environments and precise matching for customized project requirements.