Call or text 469-316-8517Mon–Fri 9 AM–3:30 PM CT In stock – zero lead timeFree shipping (lower 48)
Menu

Siemens

Siemens 5SX21

Siemens 5SX21 230/440 Max 277V AC Q 92183

Brand
Siemens
Part number
5SX21
Item
K83587

New – Open Box

New and unused, but the packaging is opened, missing or not the original. What “New – Open Box” means

$7.00

Only 2 left 10% price match

3 more units available (Used $8.89, New – Open Box $39.89)

  • Ships next business day (Tuesday)Ships today if ordered by 3 PM CT (Mon–Fri)
  • Free shipping (lower 48)

30-day guarantee · free returns if it's not as described. How it works

92,000+ items sold on eBay17,000+ seller ratings on eBay

KIV Industrial Parts is NOT an authorized distributor of Siemens. Manufacturer warranty does not apply.

Questions? Call or text 469-316-8517 · Mon–Fri 9 AM–3:30 PM CT

Email me when you list more Siemens

All units of Siemens 5SX21

Compare every unit with photos ›
ConditionPriceAvailableLink
New – Open Box $7.00 1 in stock This unit
Used $8.89 2 in stock View unit
New – Open Box $39.89 1 in stock View unit

Overview

The Siemens 5SX21 is part of the Siemens SENTRON breakers product line (Miniature & DIN Rail Circuit Breakers). This unit is New – Open Box: new and unused, but the packaging is opened, missing or not the original. 2 units are in stock at our Princeton, Texas warehouse and ship in 1 business day.

Specifications

ManufacturerSiemens
Part number5SX21
Product lineSENTRON breakers
CategoryMiniature & DIN Rail Circuit Breakers
ConditionNew – Open Box
From the listing title
Voltage277 V
Quantity available2 in stock
Item numberK83587
Also known as

Ratings are as printed in the listing title; check the manufacturer's documentation before installing.

Shipping

  • Free ground shipping to the lower 48 states.
  • Orders placed by 3 PM CT on a business day ship the same day for free; later orders, weekends and office holidays ship the next business day.
  • Ordered after 3 PM CT? Add late same-day shipping ($50.00) at checkout before 4:30 PM CT on a business day and it still ships today.
  • Expedited and freight shipping are quoted after your order is packed, at our negotiated wholesale UPS rates – the most competitive rate we can offer.
  • Alaska, Hawaii, Puerto Rico, APO/FPO and PO boxes: quoted after packing. Freight quote
  • International: we ship worldwide (except sanctioned countries). Pay for the item at checkout; shipping is quoted after packing, and import duties and taxes are paid by the buyer on delivery. International orders
  • Local pickup in Princeton, TX by appointment.

Add-ons

Late same-day shipping$50.00Order after 3 PM and before 4:30 PM CT on a business day and it still ships today. Orders placed by 3 PM CT ship the same day for free; later orders ship the next business day. Included with expedited shipping ordered in that window.
Shipping insurance1.5% of value (minimum $3.00)Covers loss or damage in transit for the full order value.
Signature confirmation$5.00Added automatically and free on orders of $750.00 or more.
Extra protective packing$15.00Double box and foam.
Saturday deliveryCarrier rate + $15.00With overnight shipping only; the carrier rate is quoted after packing.
Blind shipping$5.00Neutral packing slip with no prices and no KIV branding.
Ship on your UPS account$5.00Enter your UPS account number at checkout; UPS bills you directly.
Extra photos before shippingFreeAsk in the special requests box; we email the photos before the order ships.

Choose add-ons at checkout. Shipping details

Returns

Covered by our 30-day guarantee: if it arrives not as described, dead on arrival or damaged, return it within 30 days of delivery and we pay the return shipping. Changed your mind? Return it within 30 days at your own shipping cost (a 15% restocking fee applies), with any factory seals and packaging intact. We refund your original payment method after we inspect the item.

30-day guarantee & returns · Start a return · Returns FAQ

Disclaimer

KIV Industrial Parts is not an authorized distributor, dealer or representative of Siemens, and is not affiliated with or endorsed by Siemens. Siemens and the part number are used only to identify the product. This item may be surplus, used or refurbished, may have an older date code or series, and is not covered by the manufacturer's warranty. The photos show the actual item.

More Siemens Miniature & DIN Rail Circuit Breakers

See all ›
Siemens 5SJ4210-7HG42 Miniature Circuit Breaker

Siemens

5SJ4210-7HG42

Siemens 5SJ4210-7HG42 Miniature Circuit Breaker 10A 2 Pole 480Y/277V C DIN Rail

New – Open Box

Only 1 left

Free shippingShips next business day

$41.89

Siemens 5SJ4110-7HG40 Miniature Circuit Breaker

Siemens

5SJ4110-7HG40

Siemens 5SJ4110-7HG40 Miniature Circuit Breaker 1-Pole 10A 240VAC 10kA DIN Rail

New

Only 4 left

Free shippingShips next business day

$13.89

Siemens 5SJ4110-7HG41 Miniature Circuit Breaker

Siemens

5SJ4110-7HG41

Siemens 5SJ4110-7HG41 Miniature Circuit Breaker 10A 1-Pole C-Curve 240V DIN Rail

New – Open Box

Only 3 left

Free shippingShips next business day

$11.89

Siemens 5SJ4111-7HG41 Miniature Circuit Breaker

Siemens

5SJ4111-7HG41

Siemens 5SJ4111-7HG41 Miniature Circuit Breaker 5A 1-Pole C-Curve 240V DIN Rail

New – Open Box

Only 4 left

Free shippingShips next business day

$24.89

Siemens 5SY41 Miniature Circuit Breaker

Siemens

5SY41

SIEMENS MCB 5SY41 D10 230/400V

Used

Only 1 left

Free shippingShips next business day

$10.00

Siemens 5SY41 Miniature Circuit Breaker

Siemens

5SY41

SIEMENS MCB 5SY41 D6 230/400V

Used

Only 4 left

Free shippingShips next business day

$15.00

Siemens 5SY41 Miniature Circuit Breaker

Siemens

5SY41

SIEMENS MCB 5SY41 D20 230/400V SET OF 2

Used

Only 1 left

Free shippingShips next business day

$17.00

Same series: Siemens SENTRON breakers

See all ›
Siemens 5SY6104-7 Circ-Auit Breaker

Siemens

5SY6104-7

SIEMENS 5SY6104-7 CIRC-AUIT BREAKER (LOT OF 4)

Used Lot of 4

Only 3 lots left

Free shippingShips next business day

$17.00 / lot of 4

Siemens 3VF9221-1KM10 Auxiliary Switch

Siemens

3VF9221-1KM10

Siemens 3VF9221-1KM10 Auxiliary Switch 5-15A 125VDC 250VAC 50/60Hz Industrial

New

Only 1 left

Free shippingShips next business day

$54.89

Siemens 5SY4102-7 MCB C2 Miniature Circuit Breaker

Siemens

5SY4102-7

Siemens 5SY4102-7 MCB C2 Miniature Circuit Breaker 1-Pole 2A 230V 10kA DIN Rail

New – Open Box

In stock

Free shippingShips next business day

$14.89

Siemens ED42B015 I-T-E Circuit Breaker

Siemens

ED42B015

SIEMENS I-T-E ED42B015 CIRCUIT BREAKER SENTRON SERIES 2P 15AMPS 480VAC

Used

Only 1 left

Free shippingShips next business day

$15.00

Siemens 5SY4120-5 Miniature Circuit Breaker

Siemens

5SY4120-5

Siemens 5SY4120-5 Miniature Circuit Breaker MCB 20A 1 Pole 230/400V 10kA DIN

New

Only 1 left

Free shippingShips next business day

$41.89

Siemens 5SY4102-7 MCB Curve Auxiliary Switch

Siemens

5SY4102-7

Siemens 5SY4102-7 MCB 2A 1-Pole C Curve 230/400V w/ 5ST3010 Auxiliary Switch

Used

Only 3 left

Free shippingShips next business day

$14.89

Siemens 5SY4104-7 MCB C4 Circuit Breaker

Siemens

5SY4104-7

Siemens 5SY4104-7 MCB C4 4A 1-Pole Circuit Breaker with 5ST3010 Auxiliary Switch

Used

Only 3 left

Free shippingShips next business day

$9.89

Siemens 5SX23 Miniature Circuit Breaker

Siemens

5SX23

SIEMENS 5SX23 C4 Q 92 183 480V AC

Used

Only 1 left

Free shippingShips next business day

$10.00

$7.00Only 2 left
Call/Text