KYM 3P 125A Circuit Breaker, 3-Pole, 125 A, 400 V
€39.00
KYM 3P 125A is a compact 3-pole circuit breaker rated at 125 A with a maximum rated operational voltage Ue of 400 V AC.
- Free delivery across Lithuania
- 14-day returns — we pay for the return shipping
- Manufacturer warranty, CE compliant
The KYM 3P 125A is a compact three-pole circuit breaker with a rated current of 125 A and a maximum rated operational voltage Ue (AC) of 400 V. It protects three-phase circuits against overload and short circuits, has screw terminals and fits distribution boards and control cabinets. It is used in industrial installations, commercial buildings and emergency power systems.
Technical specifications
| Parameter | Value |
|---|---|
| Model | KYM 3P 125A |
| Brand | SHT |
| Type | compact circuit breaker |
| Number of poles | 3P (three poles) |
| Rated current | 125 A |
| Maximum rated operational voltage Ue (AC) | 400 V |
| Terminals | screw |
| Construction | compact standard dimensions, robust build |
| Protection | against overload and short circuit |
| Product code | 15901122689867 |
What is the KYM 3P 125A used for?
- Industrial installations
- Electrical distribution boards
- Control cabinets
- Commercial buildings
- Emergency power systems
How do you choose a circuit breaker by current rating?
The KYM 3P 125A is rated at 125 A with an operational voltage Ue (AC) of up to 400 V. The breaker’s rated current has to match the load of the protected line and the cable cross-section, so the final choice should be confirmed by an electrical designer or electrician. A three-phase line calls for a three-pole model, and the KYM 3P has three poles.
What does a 3-pole circuit breaker protect against?
The KYM 3P 125A protects three-phase circuits against overload and short circuits. Three poles let one breaker protect all three phases, and the compact standard dimensions make it easier to fit in distribution boards and control cabinets.
Installation and connection
Wires connect to the screw terminals. The breaker must be installed and connected by a qualified electrician.
Hybrid Energy can help you choose. Tell us the load of the protected line and the cable cross-section, and we will help you compare them with the KYM 3P 125A ratings and deliver the breaker anywhere in Lithuania.
What to know before you buy
- Current and voltage: 125 A rated current, Ue (AC) up to 400 V.
- Three poles: the model is designed for three-phase circuits.
- Additional data: if breaking capacity, dimensions or weight matter for your project, tell us and we will confirm them before you order. A consultation before purchase is free.
Frequently asked questions
How many poles does the KYM 3P 125A have?
The KYM 3P 125A has three poles (3P), so it is designed for three-phase installations.
What are the rated current and voltage of the KYM 3P 125A?
The rated current is 125 A and the maximum rated operational voltage Ue (AC) is 400 V.
What does the KYM 3P 125A protect against?
It protects three-phase circuits against overload and short circuits.
What is the KYM 3P 125A used for?
The KYM 3P 125A is used in industrial installations, electrical distribution boards, control cabinets, commercial buildings and emergency power systems.
Is the KYM 3P 125A suitable for a three-phase network?
Yes. The three-pole KYM 3P 125A is designed for three-phase circuits with Ue (AC) up to 400 V.
What terminals does the KYM 3P 125A have?
The KYM 3P 125A has screw terminals for wire connection.
Is the KYM 3P 125A suitable for emergency power systems?
Yes. The three-pole KYM 3P 125A, rated at 125 A, is also used to protect circuits in emergency power systems. Hybrid Energy helps you choose a breaker for your system.

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