Beckhoff KL2134 Digital Output Terminal

The Beckhoff KL2134 is a 4-channel digital output Bus Terminal designed for reliable signal switching from PLCs to field-level actuators. Supporting 24 V DC at 0.5 A per channel, the KL2134 is protected against reverse polarity and delivers robust performance across a wide range of industrial load types including ohmic, inductive, and lamp loads.

Each output is electrically isolated from the K-bus and includes LED status indicators for real-time visual diagnostics. With 2-/3-wire connection support and compact form factor, the KL2134 is ideal for dense control cabinet installations.

Technical Specifications

Part Number: KL2134 Beckhoff
Technology: Digital output
Number of Outputs: 4 channels
Connection Technology: 2-/3-wire
Nominal Voltage: 24 V DC (-15% / +20%)
Max. Output Current: 0.5 A per channel (short-circuit proof)
Short-Circuit Current: < 2 A
Breaking Energy: < 150 mJ per channel
Load Types: Ohmic, inductive, lamp load
Reverse Voltage Protection: Yes
Bit Width in Process Image: 4 outputs
Configuration: No address or configuration setting

Power & Consumption

Power Supply: 24 V DC via power contacts
Current Consumption (Power Contacts): Typ. 30 mA + load
Current Consumption (K-bus): Typ. 9 mA
Electrical Isolation: 500 V (K-bus / field potential)

Mechanical Specifications

Dimensions (W x H x D): 12 mm × 100 mm × 68 mm
Weight: Approx. 70 g
Material: Polycarbonate
Installation: 35 mm DIN rail (EN 60715)
Design Form: Compact terminal with signal LEDs
Pluggable Wiring: Compatible with all KSxxxx terminals
Wiring Method:
– Solid (s): 0.08…2.5 mm²
– Flexible (st): 0.08…2.5 mm²
– Ferrule (f): 0.14…1.5 mm²
AWG Range:
– Solid/Flexible: AWG28…14
– Ferrule: AWG26…16
Stripping Length: 8…9 mm

Environmental Conditions

Operating Temperature: -25°C to +60°C
Storage Temperature: -40°C to +85°C
Relative Humidity: 95%, no condensation
Vibration/Shock Resistance: EN 60068-2-6 / EN 60068-2-27
EMC Standards: EN 61000-6-2 / EN 61000-6-4
Protection Rating: IP20
Installation Position: Variable

Certifications & Compliance

Approvals: CE, CCC, UL, ATEX, IECEx, DNV GL
Ex Marking:
– ATEX: II 3 G Ex ec IIC T4 Gc
– IECEx: Ex ec IIC T4 Gc

Features & Benefits

✅ 4 Output Channels: Control multiple field devices from a single terminal.

✅ Short-Circuit Proof: Each channel protected against overload.

✅ Reverse Voltage Protection: Prevents damage from incorrect polarity.

✅ Flexible Load Compatibility: Ideal for ohmic, inductive, and lamp loads.

✅ Status LEDs: Visual feedback for all output states.

✅ Space-Efficient Design: Just 12 mm wide – perfect for compact cabinets.

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