ABB TU836V1 8‑Channel MTU 3BSE013237R1 – 250V 3A for DO820/DO821

⚙️ ABB TU836V1 – 8‑Channel Mounting Terminal Unit

• ABB TU836V1 (3BSE013237R1) – extended MTU for up to 8 I/O channels.
• Handles 250 V / 3 A per channel. Fused load terminals.
• Two isolated groups: each with 4 channels + process power.
• Built‑in mechanical keying (36 combinations) prevents wrong I/O module.
• DIN rail mount with grounding latch. Designed for DO820, DO821.
• G3 corrosion protected, marine certified (ABS, BV, DNV‑GL, LR).

🔢 Model Decoder – 3BSE013237R1

• TU836V1 – Extended MTU family
  • 8 channels (2 groups x 4 channels)
  • Per channel : fused load power + signal return
  • Process power : 4 terminals (V) + 4 terminals (0V)
  • Mechanical keys : 2 keys x 6 positions = 36 unique codes
  • Bus : ModuleBus in/out with address shifting

📋 Electrical Ratings & Connections

• Max voltage per channel : 250 V AC/DC
• Max current per channel : 3 A (with fuse)
• Max current per process connection : 10 A (per group)
• Dielectric test voltage : 2000 V AC
• Wire size (solid) : 0.2 – 4 mm²
• Wire size (stranded) : 0.2 – 2.5 mm² (24-12 AWG)
• Torque : 0.5 – 0.6 Nm | Strip length : 7 mm
• Total terminals : 16 field + 4 process power + 4 common

🔩 Mounting & Mechanical Details

• Snaps onto standard 35 mm DIN rail.
• Mechanical latch locks unit to rail for secure grounding.
• Mounting direction: horizontal or vertical (both allowed).
• Dimensions (WxHxD) : 126 x 110 x 64 mm (5.0”x4.3”x2.5”)
• Weight : 0.26 kg (0.57 lb)
• Max ambient temp : 55 °C (131 °F)

🔌 Compatibility & I/O Modules

• Optimized for ABB S800 I/O system.
• Works with DO820 (digital output) and DO821 (high‑side switch).
• Mechanical keying prevents incorrect module insertion.
• Address shifting automatically sets next MTU position.

🌍 Environmental & Certifications

• Operating temperature : 0…+55 °C (+32…+131 °F)
• Storage temperature : -40…+70 °C (-40…+158 °F)
• Pollution degree 2 (IEC 60664‑1)
• Corrosion protection : ISA‑S71.04 G3
• Protection class : IP20 (IEC 60529)
• EMC : EN 61000‑6‑4, EN 61000‑6‑2
• Safety : EN/UL 61010‑1, 61010‑2‑201
• Marine certified : ABS, BV, DNV‑GL, LR
• CE, RoHS, WEEE compliant

📦 Package & Warranty

• 1x ABB TU836V1 MTU (3BSE013237R1)
• 2x mechanical keys (6‑position, factory installed)
• DIN rail latch and grounding clip
• Plug‑in terminal blocks included
• 📄 12‑month warranty against manufacturing defects.
• Shipping: FedEx, UPS, DHL – express worldwide.

🏭 Typical Applications

• Digital output wiring for DO820/DO821 in process industries.
• Motor starter / valve control (up to 250 V, 3 A).
• Marine & offshore systems requiring ABS, DNV approval.
• Compact I/O panels with high density (8 channels in 126 mm).

❓ Expert FAQ – Selection & Wiring Tips

• Q: Can TU836V1 be used with DO840 or analog modules?No. It is specifically designed for DO820 and DO821. Check the I/O module’s manual for correct MTU.
• Q: How do I change the mechanical key code?Use a small screwdriver to rotate each key to desired position (1‑6). Match the code on your I/O module.
• Q: What if I need to wire larger than 4 mm² cable?Use an external junction box. The terminal block accepts max 4 mm² solid or 2.5 mm² stranded.
• Q: Is this MTU suitable for 24 V DC only?Yes, but it also supports up to 250 V AC/DC. Great for mixed voltage applications.
• Q: Does it support redundant I/O configuration?No, TU836V1 is for single I/O only. For redundant, use TU837V1.
• 选购指导 / Buying tip:For marine projects, TU836V1 includes ABS, DNV‑GL. Order with DO821 for 250 V AC/DC switching. Always verify group isolation: first 4 channels isolated from second 4.

📬 Inquiries & Fast Support

• Email: sales@powergearx.com
• WhatsApp: +86 180 3000 5825 (click for direct chat)
• We respond within 2 hours (GMT+8).

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