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Siemens 5SY6614-7 — Miniature Circuit Breakers (MCB)

Siemens 5SY6614-7 SENTRON MCB, 4P C-Char 0.3 A, 6 kA

MPN5SY6614-7
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Siemens SENTRON 5SY6614-7, 4-pole (3P+N) miniature circuit breaker, C characteristic, 0.3 A rated current, 6 kA breaking capacity per EN 60898, 30 kA per IEC 60947-2.

Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

5SY6614-7 — Ratings
ParameterValue
Overvoltage categoryIII
5SY6614-7 — Mechanical
ParameterValue
Width72 mm
Height90 mm
Depth76 mm

Product details

The 5SY6614-7 carries two breaking capacity ratings: 6 kA per EN 60898 and 30 kA per IEC 60947-2. The DC rating per IEC 60947-2 is 15 kA, which matters for DC bus or battery-backed circuits.

Derating and environmental range

Rated current of 0.3 A at 35 °C derates to 0.28 A at 45 °C, 0.27 A at 50 °C, and 0.26 A at 55 °C. The ambient operating range spans –40 °C to 75 °C, with humidity limits of 95% at 55 °C tapering to 35% at 75 °C. IP20 with connected conductors means the terminals are finger-safe once wired; the busbar comb remains exposed unless the panel cover is closed.

Combined terminals at both top and bottom accept the busbar and outgoing conductors. The MCB is sealable (tamper-evident cover available) and halogen- and silicon-free — relevant for clean-room or corrosive-environment installations. Any mounting position is permitted, and the supply cord can enter from either end.

Frequently asked questions

What is the breaking capacity of the 5SY6614-7?

6 kA per EN 60898 and 30 kA per IEC 60947-2 at AC. The DC breaking capacity per IEC 60947-2 is 15 kA.

What is the difference between the 5SY6614-7 and the 5SY4140-7?

The 5SY4140-7 is a 4-pole MCB with a B characteristic, while the 5SY6614-7 uses a C characteristic. The B curve trips at 3–5× In (suited for resistive or low-inrush loads), whereas the C curve trips at 5–10× In (suited for moderate inductive inrush). Both share the same 4-module DIN footprint and 6 kA / 30 kA breaking capacities, so they are mechanically interchangeable in the same panel position.

Where can I buy the 5SY6614-7?

Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.

What compliance documentation is available for the 5SY6614-7?

The MCB is halogen-free and silicon-free, which supports clean-room and corrosive-environment compliance. It is rated per EN 60898 and IEC 60947-2. Specific RoHS/REACH declarations and the manufacturer's declaration of conformity are available from the supplier upon request.

MPN
5SY6614-7