Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

EATON Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 5, 270 A - Non-Reversing NEMA Contactors
EATONNon-Reversing NEMA Contactors

EATON Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 5, 270 A

The EATON NEMA Magnetic Contactor is a non-reversing, 3-pole device rated NEMA Size 5, 270 A, 240V AC (MPN CN15SN3B). 3G Electric interprets this demand and sources the genuine EATON component, providing a single…

SKU 3G-OTH-41093

Brand
EATON
Item
Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 5, 270 A
Category
Non-Reversing NEMA Contactors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

EATON
Manufacturer Part Number
CN15SN3B
Type
NEMA Size 5, 270 A
AC
240V
Poles
3
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

EATON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EATON NEMA Magnetic Contactor is a non-reversing, 3-pole device rated NEMA Size 5, 270 A, 240V AC (MPN CN15SN3B). 3G Electric interprets this demand and sources the genuine EATON component, providing a single point of accountability across 14 industrial departments — with specialist depth in controls as an authorised distributor for brands including EATON, Schneider, and ABB.

Frequently Asked Questions

What is the EATON CN15SN3B NEMA magnetic contactor used for?

The EATON CN15SN3B is a non-reversing NEMA magnetic contactor used for switching heavy motor loads and industrial equipment. It is commonly applied in HVAC systems, pumps, compressors, and conveyor systems where reliable, high-current switching up to 270 A at 240V AC is required.

What are the specifications of the EATON CN15SN3B contactor?

The EATON CN15SN3B is a NEMA Size 5, non-reversing contactor with 3 poles rated at 270 A and 240V AC coil voltage. It is designed for demanding industrial applications and carries the manufacturer part number CN15SN3B. EATON is the OEM brand for this component.

Where to buy the EATON CN15SN3B contactor worldwide?

You can source the EATON CN15SN3B contactor through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this EATON NEMA Size 5 contactor.

How to select the correct NEMA contactor size for an application?

Selecting the correct NEMA contactor size involves matching the motor full-load current and voltage to the contactor's rated continuous current and coil voltage. For the EATON CN15SN3B, a NEMA Size 5 contactor, it is suitable for motors drawing up to 270 A at 240V AC. Always consult the motor nameplate and local codes.

Used in

Common applications for EATON
Industrial control panels — Eaton M22 flush push buttons for momentary machine start/stop commands
Motor control centers — Eaton NEMA reversing starters with electronic overloads for conveyor belt direction control
HVAC systems — Eaton definite purpose starters with thermal overloads for compressor and fan motor protection
Process automation — Eaton SL7 tower lights with IP66 bases for visual status indication in wet environments
Machine tool signaling — Eaton 10250T LED pilot lights with push-to-test for operator panel status lamps
Access control — Eaton M22 keyed selector switches for equipment mode selection in secured areas

EATON Products

3G Electric supplies EATON non-reversing nema contactors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 5, 270 A, 24V AC (MPN CN15SN3T). Key specifications — Brand: EATON.
EATON
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 5, 270 A, 24V AC (MPN CN15SN3T). Key specifications — Brand: EATON.
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 5, 270 A, 208V AC (MPN CN15SN3E). Key specifications — Brand: EATON.
EATON
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 5, 270 A, 208V AC (MPN CN15SN3E). Key specifications — Brand: EATON.
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 5, 270 A, 120V AC (MPN CN15SN3A). Key specifications — Brand: EATON.
EATON
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 5, 270 A, 120V AC (MPN CN15SN3A). Key specifications — Brand: EATON.
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 5, 270 A, 480V AC (MPN CN15SN3C). Key specifications — Brand: EATON.
EATON
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 5, 270 A, 480V AC (MPN CN15SN3C). Key specifications — Brand: EATON.
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 3, 90 A, 24V AC (MPN CN15KN3T). Key specifications — Brand: EATON.
EATON
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 3, 90 A, 24V AC (MPN CN15KN3T). Key specifications — Brand: EATON.
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 2, 45 A, 480V AC (MPN CN15GN3CB). Key specifications — Brand: EATON.
EATON
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 2, 45 A, 480V AC (MPN CN15GN3CB). Key specifications — Brand: EATON.

More from EATON

View all EATON parts
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 3, 90 A, 480V AC (MPN CN15KN3C). Key specifications — Brand: EATON.
EATON
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 3, 90 A, 480V AC (MPN CN15KN3C). Key specifications — Brand: EATON.
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 0, 18 A, 480V AC (MPN CN15BN3CB). Key specifications — Brand: EATON.
EATON
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 0, 18 A, 480V AC (MPN CN15BN3CB). Key specifications — Brand: EATON.
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 2, 45 A, 240V AC (MPN CN15GN3BB). Key specifications — Brand: EATON.
EATON
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 2, 45 A, 240V AC (MPN CN15GN3BB). Key specifications — Brand: EATON.
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 4, 135 A, 120V AC (MPN CN15NN3A). Key specifications — Brand: EATON.
EATON
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 4, 135 A, 120V AC (MPN CN15NN3A). Key specifications — Brand: EATON.
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 3, 90 A, 240V AC (MPN CN15KN3B). Key specifications — Brand: EATON.
EATON
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 3, 90 A, 240V AC (MPN CN15KN3B). Key specifications — Brand: EATON.
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 3, 90 A, 208V AC (MPN CN15KN3E). Key specifications — Brand: EATON.
EATON
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 3, 90 A, 208V AC (MPN CN15KN3E). Key specifications — Brand: EATON.
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 4, 135 A, 208V AC (MPN CN15NN3E). Key specifications — Brand: EATON.
EATON
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 4, 135 A, 208V AC (MPN CN15NN3E). Key specifications — Brand: EATON.
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 0, 18 A, 208V AC (MPN CN15BN3EB). Key specifications — Brand: EATON.
EATON
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 0, 18 A, 208V AC (MPN CN15BN3EB). Key specifications — Brand: EATON.