The DSTI ESE Series Ethernet Capsule Electrical Slip Rings, engineered and manufactured by Dynamic Sealing Technologies, Inc. (DSTI - USA), represent world-class dynamic electrical connection technology designed specifically to transfer high-speed Ethernet communications alongside high-current electrical power and sensitive control circuits across a continuous 360-degree rotating mechanical interface.

The ESE Series serves as an advanced direct drop-in replacement for the industry-standard AC7203 series (AC7203-12, AC7203-18, AC7203-24) and AC7195 series. The cornerstone of the ESE design is its optimized internal impedance matching and electromagnetic shielding, fully complying with IEEE 802.3 standards. The series is divided into two distinct communication bandwidth families:

1. Fast Ethernet 100Base-T Family (Data speeds up to 100 Mbps):
- Combines 1 dedicated 100Base-T Ethernet connection (4-wire twisted data lines) with combinations of 2A, 5A, and 10A power/signal circuits spanning from 8 to 18 total circuits.
- Factory-terminated with standard RJ45 connectors wired to the T568B pinout format, enabling direct plug-and-play connection into industrial Ethernet switches, PLCs, and inspection cameras.
- Includes models: ESE224 (8 circuits), ESE64 (10 circuits), ESE264 (12 circuits), ESE284 (14 circuits), and ESE2124 (18 circuits).

2. Gigabit Ethernet 1000Base-T Family (Data speeds up to 1 Gbps):
- Integrates 1 dedicated Gigabit 1000Base-T Ethernet connection (8-wire high-speed Cat5e/Cat6 twisted pairs) with high-density power and signal configurations from 41 to 51 independent channels.
- Specially tailored for data-intensive applications such as 4K Machine Vision automated defect inspection cameras, 3D LiDAR scanners, and ultra-high-speed real-time industrial Ethernet fieldbuses including EtherCAT, PROFINET IRT, and Ethernet/IP.
- Includes models: ESE24278 (41 circuits), ESE8278 (43 circuits), ESE2358 (45 circuits), ESE4358 (47 circuits), and ESE438 (51 circuits).

Key Engineering Features & Operational Advantages:
- Gold-on-Gold Contact Metallurgy: Contact rings and multi-contact brush fingers are plated with high-purity gold alloy. This prevents contact oxidation, reduces physical friction wear, ensures minimal contact resistance, and guarantees an operational lifespan exceeding tens of millions of continuous revolutions without scheduled maintenance.
- Ultra-Low Electrical Resistance Noise (≤ 60 Milliohms): Delivers flawless data packet integrity, eliminating signal attenuation, packet jitter, and packet loss even when adjacent 10A power lines are subjected to sudden inductive or switching load spikes.
- Premium Silver-Plated Copper Leads: Uses application-matched wire gauges including 16 AWG (for 10A lines), 20 AWG (for 5A lines), and 26/28 AWG (for 2A lines and Ethernet cables). Features high-temperature flexible insulation, color-coded per international conventions, and measures 48 inches [1,219 mm] on both rotor and stator ends.
- Ingress Dust and Splash Protection: Built with internal splash seals safeguarding sensitive contacts against ambient particulate and minor moisture condensation. For harsh washdown or outdoor environments, an optional IP65-rated protective enclosure (SRPE) is available.
- Unified Fluid + Electrical Coaxial Integration: Standard mounting flange geometry enables the ESE Series to integrate directly through the center bore of DSTI fluid rotary unions (GP, LT, SE Series), providing an all-in-one hybrid rotary transmission platform for hydraulic fluid, compressed air, vacuum, electrical power, and Gigabit Ethernet communications.

Typical Industrial Applications:
- Articulated industrial robotic arms equipped with wrist-mounted Machine Vision cameras, laser scanners, and vacuum suction cups.
- Multi-station automated indexing tables in semiconductor manufacturing, electronic PCB assembly, and EV battery cell production lines.
- High-speed rotary packaging, bottle blow-molding carousels, automated rotary labeling machines, and converting equipment.
- Satellite communication tracking antennas, marine radar pedestals, and advanced medical CT imaging scanners.

• Manufacturer: DSTI (Dynamic Sealing Technologies, Inc.)
• Origin / Country of Manufacture: USA
• Product Line: ESE Series Ethernet Capsule Electrical Slip Rings
• Model Configurations & Circuit Breakdowns:
  + 100Base-T Ethernet Family (100 Mbps Max Data Speed):
    - ESE224 (Drop-in for AC7203-18X): 8 Circuits | (2x) 2A + (2x) 10A + (1x) 100Base-T Ethernet | Length: 1.680" [43 mm]
    - ESE64 (Drop-in for AC7203-12): 10 Circuits | (6x) 2A + (1x) 100Base-T Ethernet | Length: 1.410" [36 mm]
    - ESE264 (Drop-in for AC7203-18V): 12 Circuits | (6x) 2A + (2x) 5A + (1x) 100Base-T Ethernet | Length: 1.680" [43 mm]
    - ESE284 (Drop-in for AC7203-24X): 14 Circuits | (8x) 2A + (2x) 10A + (1x) 100Base-T Ethernet | Length: 1.950" [50 mm]
    - ESE2124 (Drop-in for AC7203-24V): 18 Circuits | (12x) 2A + (2x) 5A + (1x) 100Base-T Ethernet | Length: 1.950" [50 mm]
  + 1000Base-T Gigabit Ethernet Family (1 Gbps Max Data Speed):
    - ESE24278 (Drop-in for AC7195-XX): 41 Circuits | (27x) 2A + (4x) 5A + (2x) 10A + (1x) 1000Base-T Ethernet | Length: 3.500" [89 mm]
    - ESE8278 (Drop-in for AC7195-VV): 43 Circuits | (27x) 2A + (8x) 5A + (1x) 1000Base-T Ethernet | Length: 3.500" [89 mm]
    - ESE2358 (Drop-in for AC7195-NX): 45 Circuits | (35x) 2A + (2x) 10A + (1x) 1000Base-T Ethernet | Length: 3.500" [89 mm]
    - ESE4358 (Drop-in for AC7195-NV): 47 Circuits | (35x) 2A + (4x) 5A + (1x) 1000Base-T Ethernet | Length: 3.500" [89 mm]
    - ESE438 (Drop-in for AC7195-NN): 51 Circuits | (43x) 2A + (1x) 1000Base-T Ethernet | Length: 3.500" [89 mm]
• Ethernet Termination: Factory-terminated RJ45 connectors wired to T568B format, IEEE 802.3 compliant
• Current Ratings: 2A, 5A, and 10A continuous combinations
• Voltage Rating: 240V AC/DC
• Maximum Operating Speed: 250 RPM continuous
• Maximum Electrical Noise: ≤ 60 Milliohms (mΩ) at rated speed
• Contact Metallurgy: High-Purity Gold-on-Gold contacts
• Lead Wire Gauges: 16 AWG (10A), 20 AWG (5A), 26 AWG & 28 AWG (2A & Ethernet data lines)
• Lead Wire Material: Stranded Silver-Plated Copper, high-temperature insulation, color-coded
• Standard Lead Length: 48 inches [1,219 mm] on both rotor and stator ends
• Internal Bearings: Dual pre-lubricated high-precision miniature ball bearings
• Ingress Protection: Internal splash seals for dust/moisture resistance; optional external IP65 enclosure available
• Operating Temperature Range: -40°C to +80°C [-40°F to +176°F]
• Mechanical Mounting: Flanged capsule housing with pre-drilled bolt pattern; direct coaxial integration compatible with DSTI GP, LT, and SE fluid rotary unions.