Description
The Yokogawa 8662570000 is a high-density 40-pole interface terminal block—OEM manufactured by Weidmüller—designed for Yokogawa CENTUM distributed control systems (DCS). It functions as a secure wiring transition interface between field instrumentation and control system I/O card marshalling cabinets.
Technical Specifications
| Parameter | Value |
| Manufacturer | Weidmüller (OEM for Yokogawa) |
| Terminal Capacity | 40 poles |
| Connection Technology | Screw-lock / clamping terminals |
| Electrical Rating | 75 V DC / 60 V AC, 1 A per circuit |
| Accepted Wire Gauge | 0.13 to 6.0 mm² (26 to 10 AWG) |
| Mounting Type | Standard DIN-rail (TS32 / TS35) |
| Enclosure Protection | IP20 (for cabinet-internal deployment) |
| Operating Temperature | -25 to +50°C |
| Humidity Range | 5% to 95% RH (non-condensing) |
Availability, Lead Time, and Commercial Terms
- Condition: New Original / Factory Surplus.
- Standard Lead Time: 2 to 4 business days for standard stock items.
- Warranty: 12-month standard replacement warranty from the date of invoice.
- Pricing Note: Listed price is indicative and subject to current market conditions. Contact our sales engineering desk for a formal quote.
Engineering Integration Notes
In field deployments across petrochemical and power generation facilities, the 8662570000 terminal block minimizes marshalling complexity by organizing multi-core cables coming from field transmitters, valves, and discrete sensors.
When replacing legacy or worn-out interface blocks, ensure control power is isolated to prevent inadvertent short circuits on shared common rails. Verify that cable shields are properly terminated to the designated grounding bars on the assembly to maintain high-frequency noise rejection and comply with EMC guidelines.
Frequently Asked Questions
Q: Is this part manufactured directly by Yokogawa?
A: Yokogawa sources these high-density interface blocks through strategic manufacturing partnerships (such as Weidmüller). It carries proper branding and pin-out configurations fully certified for CENTUM series DCS compatibility.
Q: Does the unit include the pre-fabricated system cable to the I/O card?
A: No. The part number designates the terminal block component itself. Dedicated 40-pole system cables (such as AKB series multi-core assemblies) must be sourced separately based on your specific I/O module type.
Q: What compliance standards does this terminal block meet?
A: It complies with CE requirements and relevant industrial low-voltage safety specifications. Verify specific regional hazardous area ratings with the OEM datasheet if installing outside a standard purged or non-classified control enclosure.
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