描述
The ABB 1SDA063552R1 is an undervoltage release (UVR) / tripping coil — a genuine ABB SACE accessory with the catalog designation UVR T7-T7M-X1 220-240V AC/DC (internal code KT7XU4) . It operates within a 220-240 V AC/DC control voltage range (230 V AC nominal) and is designed for factory fitting inside compatible ABB circuit breaker frames . The device continuously monitors the supply voltage and automatically trips the circuit breaker when the voltage falls below the safe operating level, ensuring the breaker remains open until normal voltage is restored and manual reset is performed . Compliant with IEC 60947-2 and carrying CE, RoHS, REACH certifications, with Country of Origin: Italy , this UVR is an essential safety component for industrial power distribution, motor control centers, and critical facility power protection.
Key Features
- ABB SACE undervoltage release / tripping coil — genuine ABB accessory
- Catalog model: UVR T7-T7M-X1 220-240V AC/DC (KT7XU4)
- Control voltage: 220-240 V AC (230 V AC nominal) / 220-240 V DC
- Compatible breaker frames: ABB Tmax T7 and Emax X1 (T7-M-X1)
- Function: Automatic tripping when supply voltage drops below safe threshold
- Fail-safe design: Breaker remains open until normal voltage is restored and manual reset
- Compact plug-in design: Integrates directly into compatible breaker frames without external wiring adapters
- Standards compliance: IEC 60947-2, RoHS, REACH, CE
- Country of Origin: Italy
- EAN: 8015644661960
- Equivalent to: UVRT7T7MX1220240Vacdc
Technical Specifications
Parameter | Specification |
|---|---|
Brand | ABB (SACE) |
SKU / Article Number | 1SDA063552R1 |
Catalog Model | UVR T7-T7M-X1 220-240V AC/DC |
Internal Code | KT7XU4 |
Product Type | Undervoltage release / tripping coil |
Accessory Type | Undervoltage Release (Link Module) |
Range | Tmax T |
Control Voltage (AC) | 220-240 V AC (230 V AC nominal) |
Control Voltage (DC) | 220-240 V DC |
Frequency | 50/60 Hz (AC) |
Compatible Breakers | ABB Tmax T7, Emax X1 (T7-M-X1 frame) |
Used For | Circuit breaker undervoltage & no-voltage protection |
Standards | IEC 60947-2 |
Certifications | CE, RoHS, REACH |
EAN | 8015644661960 |
Tariff Code | 85389099 |
Country of Origin | Italy |
Dimensions (W×H×D) | 105 × 135 × 55 mm (per distributor data) |
Weight | 0.302 kg (per distributor data) |
Warranty & After-Sales
- Factory new units: 12 months warranty
- Refurbished units: 3-6 months warranty
- Bench test: Visual inspection → coil continuity/resistance measurement → 220-240V AC/DC energization test → trip actuation verification → mechanical fit check for T7/X1 breaker frames → IEC 60947-2 compliance verification
- Technical support:
- Breaker compatibility verification — confirming 1SDA063552R1 fits your specific ABB Tmax T7 or Emax X1 breaker frame
- Control voltage confirmation — ensuring your control circuit is 220-240V AC/DC (230V AC nominal)
- Alternative UVR variants — if you need different control voltages, advising on other ABB UVR models for Tmax T/Emaz X1 series
- Installation guidance — factory-fitted plug-in installation; no external wiring adapters required
- Shunt trip vs undervoltage release selection — helping distinguish UVR (auto-trip on voltage loss) vs. shunt trip (remote trip on command)
- IEC 60947-2 compliance — confirming hazardous area and industrial safety standards compliance
- Optional accessories: Other ABB Tmax T7 / Emax X1 accessories (auxiliary contacts, shunt trips, motor operators), complete ABB circuit breaker units
Delivery Time: 3-5 working days (standard) / Express available
⚠️ IMPORTANT — Read Before Ordering:
- The 1SDA063552R1 is an UNDERVOLTAGE RELEASE (UVR) accessory, NOT a circuit breaker — you need a compatible ABB Tmax T7 or Emax X1 breaker frame for this device to function
- Control voltage: 220-240V AC/DC (230V AC nominal) — ensure your control circuit matches this range; if you need a different voltage, other ABB UVR variants are available
- Compatible ONLY with ABB Tmax T7 and Emax X1 breakers — not compatible with Tmax T1-T6, T8, or other ABB breaker frames
- Fail-safe operation — the UVR trips the breaker when voltage drops below threshold and keeps it OPEN until voltage is restored AND manual reset occurs
- Factory-fitted design — installs directly inside the breaker frame as a plug-in module; no external wiring adapters needed
- Compliant with IEC 60947-2 — suitable for industrial and hazardous area applications per RoHS & REACH
- Send us your ABB breaker model number — we’ll confirm the exact UVR variant and provide a complete solution
Why Choose Our Store
- Genuine ABB 1SDA063552R1 undervoltage releases — direct from authorized channels, Italian-made (Country of Origin: IT) , no counterfeit risk
- Exact model match — UVR T7-T7M-X1 220-240V AC/DC (KT7XU4) as you specified
- Full ABB SACE accessory portfolio — UVRs, shunt trips, auxiliary contacts, motor operators for Tmax T and Emax series breakers
- ABB breaker expertise — we support the complete ABB SACE portfolio (Tmax T1-T8, Emax 1/2, X1) and can provide matched breaker + accessory kits
- Comprehensive technical documentation — original ABB datasheets, IEC 60947-2 compliance certificates, installation guides
- Global supply network with competitive pricing
- Responsive customer service — multilingual support team
Applications
- Industrial power distribution panels — undervoltage protection for main switchboards and sub-distribution boards
- Motor control centres (MCCs) — automatic breaker tripping on supply failure to protect motors
- Generator & UPS changeover systems — voltage dip detection and automatic transfer switching
- Process automation & control panels — using ABB Emax 2 T7/T7M-X1 breakers
- Critical facility power protection — hospitals, data centers, infrastructure where undervoltage protection is mandatory
- Marine & offshore electrical systems — IEC 60947-2 compliant UVR for shipboard power distribution
- Transformer protection — automatic disconnection on supply voltage drop
- Emergency shutdown circuits — fail-safe breaker opening on voltage loss
- Manufacturing lines — protecting sensitive equipment from undervoltage damage
- Maintenance & repair — genuine replacement UVR for existing ABB Tmax T7 / Emax X1 breaker installations
- OEM switchboard builders — standard ABB undervoltage release for T7/X1 breaker integration





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