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5SU1653-1KK20
RCBO, 4.5 kA, 1P+N, Type AC, 300 mA, C-Char, In: 20 A, Un AC: 230 V
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 5SU1653-1KK20
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 5SU1653-1KK20 |
| Product Description | RCBO, 4.5 kA, 1P+N, Type AC, 300 mA, C-Char, In: 20 A, Un AC: 230 V |
| Product family | Not available |
| Product Lifecycle (PLM) | PM300:Active Product |
| Price data | |
| Region Specific PriceGroup / Headquarter Price Group | 11D / 1BB |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Materials | None |
| Metal Factor | None |
| Additional Product Information | |||
| EAN | 4001869307022 | ||
| UPC | Not available | ||
| Commodity Code | 85362010 | ||
| LKZ_FDB/ CatalogID | LV10.1 | ||
| Product Group | 5515 | ||
| Group Code | P310 | ||
| Country of origin | Romania | ||
| Compliance with the substance restrictions according to RoHS directive | Since: 01.06.2006 | ||
| Product class | B: return restricted, please contact your Siemens partner/contact | ||
| WEEE (2012/19/EU) Take-Back Obligation | Yes | ||
| REACH Art. 33 Duty to inform according to the current list of candidates | |||
| SCIP number | a8932b38-86fa-4e1f-992d-3fc8306df18b | ||
Product Description
5SU1653-1KK20
The Siemens 5SU1653-1KK20 is a 1P+N Residual Current Operated Circuit Breaker with Overcurrent Protection (RCBO), designed to ensure safety and operational reliability in single-phase power distribution systems. It integrates residual current protection with overcurrent protection, making it suitable for preventing both electric shock and equipment damage due to overloads or short circuits. With a C-curve tripping characteristic and Type AC sensitivity, this device is ideal for general AC applications with moderate inrush current behavior.
Key Features and Specification
- Rated Current (In): 20 A
- Rated Voltage (Un): 230 V AC
- Breaking Capacity: 4.5 kA
- Poles: 1P+N (Single-phase with neutral)
- Tripping Curve: C Characteristic (for circuits with moderate inrush currents)
- Residual Current Type: Type AC (detects sinusoidal AC leakage currents)
- Rated Residual Current: 300 mA
- Energy Limiting Class: Not specified
Technical Information
- Number: 5SU1653-1KK20
- EAN: 4001869307022
- Commodity Code: 85362010
- Catalog Reference: LV10.1
- Product Group: 5515
- Group Code: P310
- Lifecycle Status: PM300 – Active Product
Applications
- Suitable for residential, commercial, and light industrial installations
- Ideal for protecting 20A-rated circuits powering socket outlets, lighting, or dedicated appliances
- Provides comprehensive protection against both earth leakage and overcurrent conditions
- Enhances safety by reducing risks of electrical shock and fire
Summary:
The 5SU1653-1KK20 RCBO by Siemens offers dependable protection for 20A single-phase AC circuits with 300mA residual sensitivity. Its C-curve tripping characteristic is optimized for circuits with standard startup loads, ensuring accurate protection without nuisance tripping. This compact and versatile RCBO is a reliable component in building safe and compliant electrical systems.
Frequently Asked Questions
What is the rule for installing an SPD?
✅ SPD (Surge Protection Device) connections should be as short as possible to minimize the voltage protection level (Up). The total length of connections to the network and earth should not exceed 50 cm to ensure effective surge protection.
How to Set Up a Surge Protector?
1.Turn off power at the circuit breaker.
2. Remove the old outlet.
3. Connect wires to the new surge-protected outlet per the manufacturer’s instructions.
4. Secure the outlet in the box and replace the cover plate.
5. Restore power and test the outlet.
What is the use of RCCB in Siemens?
✅ Siemens Residual Current Circuit Breakers (RCCBs) protect against electric shock by detecting leakage currents. If the leakage exceeds a set limit, the RCCB immediately disconnects the circuit, ensuring safety from direct or indirect contact with live components.
Where is an RCBO used?
✅ RCBOs (Residual Current Circuit Breakers with Overcurrent protection) are commonly used in various residential, commercial, and industrial applications. Typical use cases include power distribution boards, emergency lighting circuits, HVAC (Heating, Ventilation, and Air Conditioning) systems, socket outlets, and swimming pool equipment. RCBOs are ideal for protecting individual circuits where both earth fault and overcurrent protection are required.
Where to Install RCCB?
✅ RCCBs should be installed in the distribution board (DB box) or circuit breaker panel to protect against current leakages caused by faulty wiring, ageing insulation, or defective appliances.
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