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Engineering Dragon Isles Engineering
Calibrated Safety Switch
A Engineering recipe learned at Dragon Isles Engineering 1 that crafts Calibrated Safety Switch from 4 reagents.
Reagents
1Arclight Capacitor391 gold5 silver
2Shock-Spring Coil11 gold93 silver
1Greased-Up Gears38 gold61 silver
1Reinforced Machine Chassis150 gold
Crafts
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| Recipe item |  Schematic: Calibrated Safety Switch | Requires Dragon Isles Engineering 50 |
|---|
Crafting estimate at current listings
No real market: too few listings for this price to mean anything yet.
- Reagent cost (lowest listed)
- 603 gold52 silver
- Crafted item, lowest listed price
- 701 gold6 silver
- Auction House cut (5%)
- 35 gold5 silver
- Estimated profit at that listed price
- 62 gold48 silver
No real market: only 5 units across 3 auctions region-wide. With this little supply the lowest listing is one asking price rather than a market rate, so treat the estimate above as arithmetic, not an opportunity; a buyer at that price is not established.
- Evidence: 3 current listings holding 5 units of the crafted item in the US region. We see listings, not sales, so how many sell and at what price is unknown.
- Quality: Calibrated Safety Switch comes in 3 quality ranks. This is the base comparison, rank 1 reagents against the rank 1 result; your skill and the reagents’ ranks decide the rank you actually get, which this estimate does not model. Each rank’s lowest listing is in the rank table below.
- Not included: the recipe also accepts 2 finishing reagent slots, which are not required and are left out of the cost.
Cost per reagent
| Reagent | Qty | Each | Cost | Share |
|---|---|---|---|---|
| Arclight Capacitor Parts · 57 on the Auction House | 1 | 391 gold5 silver | 391 gold5 silver | 65% |
| Shock-Spring Coil Parts · 542 on the Auction House | 2 | 11 gold93 silver | 23 gold86 silver | 4% |
| Greased-Up Gears Parts · 78 on the Auction House | 1 | 38 gold61 silver | 38 gold61 silver | 6% |
| Reinforced Machine Chassis Parts · 36 on the Auction House | 1 | 150 gold | 150 gold | 25% |
| Total per craft | 603 gold52 silver | 100% |
About Calibrated Safety Switch
One craft takes 1 Arclight Capacitor, 2 Shock-Spring Coil, 1 Greased-Up Gears and 1 Reinforced Machine Chassis. It is taught by Schematic: Calibrated Safety Switch, which needs Dragon Isles Engineering 50. Calibrated Safety Switch is itself a reagent in 20 other recipes (Engineering).
- Recipe category
- Optional Reagents (Dragon Isles Schematics)
Calibrated Safety Switch tooltip
How to learn Calibrated Safety Switch
Schematic: Calibrated Safety Switch
- Teaches
- Teaches you how to craft Calibrated Safety Switch.
- Requires
- Dragon Isles Engineering (50)
- Binding
- Binds when picked up
Calibrated Safety Switch quality ranks
Calibrated Safety Switch comes in 3 quality ranks, and each rank is its own item on the Auction House. The recipe’s base crafting difficulty is 425.
| Rank | Item | Lowest listed price | Listings (US) |
|---|---|---|---|
| Rank 1 | Calibrated Safety Switch | 701 gold6 silver | 3 listings, 5 units |
| Rank 2 | Calibrated Safety Switch | 1,128 gold86 silver | 3 listings, 4 units |
| Rank 3 | Calibrated Safety Switch | 1,899 gold4 silver | 5 listings, 10 units |
The crafting estimate above is the base comparison: rank 1 reagents against the rank 1 result. Your skill and the reagents’ ranks decide which rank a craft actually makes, so a higher rank is never priced against rank 1 reagents here.
Calibrated Safety Switch: lowest listed price, last 30 days
The current lowest listing is 58% below its 30-day median. Over these 30 days the lowest listing moved more than tenfold, so a single snapshot, including the one the estimate uses, can sit far from typical.
- Now
- 701 gold6 silver
- 30-day low
- 100 gold42 silver Oct 24
- 30-day high
- 18,888 gold75 silver Oct 20
- 30-day median
- 1,649 gold76 silver
- 7-day median
- 140 gold74 silver
- Hourly snapshots
- 692
US region, the cheapest listing at each hourly Auction House snapshot. These are asking prices, not sales.
Where the reagents come from
Arclight Capacitor. Made with Arclight Capacitor (Engineering, Dragon Isles Engineering) from 2 Shock-Spring Coil, 1 Greased-Up Gears, 2 
Khaz'gorite Ore and 1 
Awakened Order. At lowest listed prices that makes one Arclight Capacitor for 310 gold17 silver, against 391 gold5 silver listed. Lowest listed price by quality rank: rank 1 391 gold5 silver, rank 2 230 gold and rank 3 1,339 gold87 silver. Also a required reagent in 39 other recipes (39 Engineering); Inspired Order Recalibrator takes the most, 50 per craft.
Shock-Spring Coil. Made with Shock-Spring Coil (Engineering, Dragon Isles Engineering) from 2 
Handful of Serevite Bolts, 5 
Serevite Ore and 2 
Rousing Earth. Lowest listed price by quality rank: rank 1 11 gold93 silver, rank 2 20 gold and rank 3 11 gold78 silver. Also a required reagent in 48 other recipes (48 Engineering); the most per craft: Atomic Recalibrator (Engineering, 6 per craft), Mallard Mortar (Engineering, 6 per craft), Thaldraszus Telescope (Engineering, 4 per craft), Centralized Precipitation Emitter (Engineering, 3 per craft) and Critical Failure Prevention Unit (Engineering, 3 per craft).
Greased-Up Gears. Made with Greased-Up Gears (Engineering, Dragon Isles Engineering) from 2 Handful of Serevite Bolts, 4 
Draconium Ore and 3 
Rousing Fire. Lowest listed price by quality rank: rank 1 38 gold61 silver, rank 2 61 gold82 silver and rank 3 36 gold77 silver. Also a required reagent in 44 other recipes (44 Engineering); the most per craft: Portable Party Platter (Engineering, 12 per craft), Tinker: Supercollide-O-Tron (Engineering, 10 per craft), Mallard Mortar (Engineering, 8 per craft), Gyroscopic Kaleidoscope (Engineering, 6 per craft) and Lapidary's Khaz'gorite Clamps (Engineering, 5 per craft).
Reinforced Machine Chassis. Made with Reinforced Machine Chassis (Engineering, Dragon Isles Engineering) from 4 Handful of Serevite Bolts, 1 Shock-Spring Coil, 2 Greased-Up Gears and 1 
Awakened Earth. At lowest listed prices that makes one Reinforced Machine Chassis for 145 gold85 silver, against 150 gold listed. Lowest listed price by quality rank: rank 1 150 gold, rank 2 162 gold68 silver and rank 3 150 gold. Also a required reagent in 36 other recipes (36 Engineering); the most per craft: Titanic Tyrhold Fountain (Engineering, 7 per craft), Portable Party Platter (Engineering, 5 per craft), Thaldraszus Telescope (Engineering, 4 per craft), Atomic Recalibrator (Engineering, 2 per craft) and Mallard Mortar (Engineering, 2 per craft).
More Dragon Isles Engineering recipes in the same skill range
Arclight CapacitorParts, learn at 1, grey at 55- Assorted Safety FusesParts, learn at 1, grey at 40
- Atomic RecalibratorDevices, learn at 1, grey at 75
- Battle-Ready BinocularsGoggles, learn at 1, grey at 100
- Black FireflightFireworks, learn at 1, grey at 40
- Blue FireflightFireworks, learn at 1, grey at 40
- Bottomless Mireslush Ore SatchelProfession Equipment, learn at 1, grey at 50
- Bottomless Stonecrust Ore SatchelProfession Equipment, learn at 1, grey at 45
- Bronze FireflightFireworks, learn at 1, grey at 20
- Bundle of FireworksFireworks, learn at 1, grey at 40
Reading these numbers
At current lowest listed prices the 4 reagents for one craft of Calibrated Safety Switch cost 603 gold52 silver. Most of that is Arclight Capacitor - 1 at 391 gold5 silver each, 391 gold5 silver, 64.8% of the whole basket. Watch that one price and you have watched most of this recipe.
Break-even is 635 gold28 silver - below that listed price the craft loses gold once Blizzard’s 5% cut is taken. The crafted item’s lowest listed price is 701 gold6 silver, which clears it.
At that listed price the gross margin before fees is 97 gold54 silver; the Auction House would keep 35 gold5 silver of a sale, leaving 62 gold48 silver. That is an estimated 10.4% return on the gold you put into reagents, after the cut has taken 35.9% of the gross.
Listing depth right now: 5 units across 3 auctions region-wide. Depth separates a market price from a single asking figure, but listings are not sales, so read it alongside the estimate.
Costs use each reagent’s lowest listed price; the estimate is the crafted item’s lowest listed price, times the items one craft makes, minus those reagents and Blizzard’s 5% sale cut. Listings are asking prices, not sales. Recalculated every snapshot and left blank rather than guessed when a price is missing. How we estimate crafting profit →
Other recipes that use Arclight Capacitor
Featured in guides
Guides and routes on this site that cover Calibrated Safety Switch.