Emerson KC4011X1-BQ1 | 40-Pin Simplex DO Mass Terminal Block

Product Description

The KC4011X1-BQ1 from Emerson is a 40-pin simplex discrete output (DO) mass terminal block designed for DeltaV systems. It provides a secure and organized interface for connecting multiple DO cards to field devices, ensuring reliable signal distribution in hazardous areas.

Engineered for Zone 2 / Class I Division 2 installations, this terminal block features LS1 keyed connections to prevent wiring errors. Its robust construction ensures operation under extreme temperatures, humidity, vibration, and shock conditions. The compact form factor simplifies installation while maintaining high reliability for process automation applications.

Technical Specifications

• Model: KC4011X1-BQ1

• Module Type: Simplex Discrete Output Mass Terminal Block

• Channels: 40-pin connections for discrete outputs

• Compatibility: Designed for Emerson DeltaV DO cards (S-series and SIS systems)

• Nominal Voltage: 24 VDC

• Field Circuit Power: 24 VDC at 100 mA per channel

• Dimensions: 110 × 45 × 120 mm

• Weight: 0.4 kg

• Operating Temperature: –40 °C to +70 °C

• Humidity: 5–95% RH, non-condensing

• Shock Resistance: 10 g, half-sine wave, 11 ms

• Vibration: 2–13.2 Hz: 1 mm peak-to-peak; 13.2–150 Hz: 0.7 g

• Airborne Contaminants: ISA-S71.04-1985 Class G3

• Terminal Block Key Position: B4

Safety & Compliance

• Hazardous Atmosphere Ratings:

• II 3G Ex ec IIC Gc

• Class I, Division 2, Groups A–D

• Zone 2 AEx/Ex ec IIC Gc

• Certifications: ATEX, IECEx, FM, UKEX approvals for hazardous locations

• Installation Note: Follow proper procedures for installation, removal, and operation in hazardous areas

Key Highlights

• Provides mass termination for up to 40 discrete outputs, reducing wiring complexity

• Certified for hazardous environments (Zone 2 / Class I Div. 2)

• Rugged design withstands temperature extremes, vibration, and shock

• Compact and lightweight for easy integration into DeltaV racks

• Ensures consistent and reliable signal distribution for control and automation

Applications

• Termination of multiple discrete output signals in DeltaV systems

• Hazardous area installations for process control in oil, gas, and chemical plants

• Field wiring organization and protection for DO cards

FAQ

Q: Can KC4011X1-BQ1 be used with SIS DeltaV cards?
A: Yes, it is compatible with both standard S-series and SIS DO cards.

Q: What is the maximum current per channel?
A: Each channel supports up to 100 mA at 24 VDC.

Q: Is this terminal block suitable for Zone 2 hazardous areas?
A: Yes, it meets ATEX, IECEx, FM, and UKEX standards for Zone 2 / Class I Div. 2 environments.