Features

• Space-saving ECB with four channels
• Nominal current: 2 … 12 A (adjustable for each channel via sealable selector switch)
• Active current limitation
• Switch-on capacity > 50000 μF per channel
• One illuminated, three-colored button per channel simplifies switching (on/off), resetting, and on-site diagnostics
• Time-delayed switching of channels
• Tripped message (group signal)
• Status message for each channel via pulse sequence
• Remote input resets tripped channels or switches on/off any number of channels via pulse sequence

Approvals

• Underwriters Laboratories Inc., UR, E363438, UL 2367
• Underwriters Laboratories Inc., UL, E255817, UL 508
• Det Norske Veritas, Germanischer Lloyd, DNV GL, TAA0000281

Specifications

Input

• Nominal input voltage Ui nom: DC 24 V
• Input voltage range: DC 18 … 30 V

Output

• Total number of channels (module): 4
• Nominal output voltage Uo nom: 4 x DC 24 V
• Output voltage range: DC 18 … 30 V (Ue − voltage drop)
• Voltage drop: ≤ 240 mV (Input (+))
• Nominal output current Io nom: 4 x 2 / 4 / 6 / 8 / 10 / 12 A (Adjustable for each channel via selector switch)
• Default setting: DC 12 A; switched on
• Switch-on capacity: > 65000 µF per channel
• Switch-on behavior: Time-delayed channel switching (load-dependent, min. 50 ms / max. 5 s)
• Active current limitation: Yes
• Current limitation: 1.7 x Io nom (typ.)

Signaling And Communication

• Signaling: 4 x LED (green/red/orange) || 1 x Remote control input (S1) || 2 x Active signal output (S2; S3)
• Operation status indicator: Green LED (channel OK) || Red LED (tripped channel)
• Remote input: Reactivation of all tripped channels via 15 … 30 VDC pulse for min. 500 ms || Switching on/off any number of channels via pulse sequence

Efficiency/Power Losses

• Power loss Pl: ≤ 0.77 W (No load); ≤ 12.3 W (4 x 12 A)
• Efficiency (typ.): 99 %

Circuit Protection

• Internal fuse: T 15 A per channel

Safety And Protection

• Isolation voltage (connectors – housing): DC 0.5 kV
• Protection class: III
• Protection type: IP20 (per EN 60529)
• Reverse voltage protection: No
• Resistance to reverse feed: ≤ DC 35 V
• Pollution degree: 2
• Transient suppression (primary): Suppressor diode (33 V)
• Parallel operation of single channels: Not permitted
• Series operation: No
• MTBF: > 500,000 h (per IEC 61709)

Connection Data

• Connection type (1): Input (+)
• Connection technology: Push-in CAGE CLAMP®
• WAGO Connector: WAGO 831 Series
• Solid conductor: 0.5 … 10 mm² / 20 … 8 AWG
• Fine-stranded conductor: 0.5 … 10 mm² / 20 … 8 AWG
• Strip length: 13 … 15 mm / 0.51 … 0.59 inch
• Connection type 2: Input (–); output; signaling
• Connection technology 2: CAGE CLAMP®
• WAGO Connector 2: WAGO 721 Series
• Solid conductor 2: 0.08 … 2.5 mm² / 28 … 12 AWG
• Fine-stranded conductor 2: 0.08 … 2.5 mm² / 28 … 12 AWG
• Strip length 2: 8 … 9 mm / 0.31 … 0.35 inch

Physical Data

• Width: 45 mm / 1.772 inch
• Height: 90 mm / 3.543 inch
• Depth from upper edge of DIN-rail: 115.5 mm / 4.547 inch

Mechanical Data

• Mounting type: DIN-35 rail

Material Data

• Fire load: 0.652 MJ
• Weight: 170.000 g

Environmental Requirements

• Surrounding air temperature (operation): -25 … 70 °C
• Surrounding air temperature (storage): -25 … 85 °C
• Relative humidity: 5 … 96 % (no condensation permissible)
• Derating: No derating

Standards And Specifications

• Conformity marking: CE
• Standards/Specifications: EN 60950 || EN 61000-6-2 || EN 61000-6-3 || UL 508 || UL 2367 || DNV GL

Commercial Data

• Packaging type: Box
• Country of origin Sales Organisation Germany: DE
• GTIN: 4055143319973
• Customs tariff number Sales Organisation Germany: 85363010900