Sensata Airpax Circuit Breakers are highly accurate and reliable. The base is the hydraulic magnetic principle, where the switching point is not affected by means of temperature, between  40º C and + 85ºC.
So 16 Amp. is 16 Amp.!

Snapak

Description:Hydraulic magnetic circuit breaker (optional switch only configuration) multiple handle options, 2 poles max

Ratings:0.1 to 7.5 amps, 50VDC & 250VAC 
           0.1 to 30.0 amps, 32VDC & 120VAC 
           0.1 to 25.0 amps, 120/240VAC (2 poles breaking) 
           0.10 to 20.0 amps, 250Vac, 50/60Hz at 500AIC 
           0.10 to 20.0 amps, 65Vdc, 500AIC (2 pole breaking)
A.I.C.:1000 amps 
Approvals :UL489A, TUV, VDE, CE, CCC, CSA UL1077, CSA, TUV, VDE, CE, CCC 
Prefixes: CPP, CPR, CR T, R, PP, PR

IAR Series

Description:Hydraulic magnetic circuit breaker 1U/1RU low-profile design, 2 poles max

Ratings:2.00 to 50.0 amps, 80VDC & 250VAC
A.I.C.:5,000 amps at 65VDC 5,000 amps at 80VDC 2,000 amps at 250VAC 5,000 amps at 120/240VAC (2 poles, 30A max)
Approvals :UL489A, TUV, CSA UL1077, cUL, TUV, CSA Non-Agency Approved
Prefixes: CUR, CER, IER, IUR, IAR

AP Series

Description: Hydraulic magnetic circuit protector (optional switch only configuration) Hermetic seal, ideal for Class 1 Div 2 Groups A/B/C/D, 3 poles max

Ratings: 0.05 to 20.0 amps, 240VAC & 50VDC (AP, AP-MIL only) 
             0.05 to 20.0 amps, 50VDC (UP only) 
             0.05 to 15.0 amps, 120VAC (UP only) 
             0.05 to 7.50 amps, 240VAC (UP only)
A.I.C.: 500 amps at 50Vdc & 120Vac, 300 amps at 240Vac (AP, AP-MIL only) 1000 amps at 50Vdc & 240Vac (UP only) 
Approvals :MIL-C-39019, UL1077, FM Non-Agency 
Prefixes: M39019, UP, AP

IPA Series

Description: Hydraulic magnetic circuit breaker (optional switch only configuration) quick-connect, screw or PCB mount terminals, auxiliary switch options, multiple version with multi or single handle option, 3 poles max

Ratings: 0.05 to 30 amps, 65Vdc 
            0.05 to 20 amps, 80Vdc (300 AIC) 
            0.05 to 25 amps, 250Vac, 50/60Hz 
            25.1 to 30 amps, 240Vac, 50/60Hz 
            0.10 to 15 amps, 250Vac, 400Hz
A.I.C.:1000 amps 
Approvals :UL489A CSA, UL1077 CSA, UL508 
Prefixes: CPA, UPA, IPA, UPA, IPA

IAG Series

Description : Hydraulic magnetic circuit breaker (optional switch only configuration) multiple handle options, optional aux switches and optional IEG designed to meet IEC 601/950 and VDE 0730,0804 & 0805, 6 poles max
Ratings : 0.05 to 30.0 amps, 277VAC, 50/60 Hz
              0.05 to 30.0 amps, 250VAC, 400 Hz
              0.05 to 15.0 amps, 80VDC (CEG, UL 489A)
A.I.C. : 5,000 amps, 240VAC, 50/60 Hz
           1,500 amps, 240VAC, 400 Hz up to 7,500 amps, 80VDC
Approvals : UL 489, CSA, TUV, VDE UL489A, VDE, CSA UL 1077, CSA Non Agency
Prefixes : LEG, LEGA, LEJ, LEJA CEG, CMG IEG, IUG, IMG, IDG IAG

LEG Series

Description : Hydraulic magnetic circuit breaker (optional switch only configuration), multiple handle options, optional multi/single handles and aux switches, 2 poles with a max of 3 sections
Ratings : 1.00 to 30.0 amps, 125VAC, 120/240VAC, 250VAC, 50/60 Hz
A.I.C. : 5,000 amps, UL listed 2,000 amps, VDE
Approvals : UL489, UL, UL 1500, CSA, VDE, CE, CCC
Prefixes : LEG, LMG, LEGH, LMGH

LEGA Series

Description : Hydraulic magnetic circuit breaker (optional switch only configuration) Low-depth designed for low-profile datacenter rack PDUs, multiple handle options, 2 poles max
Ratings : 1.00 to 30.0 amps, 120VAC, 120/240VAC, 240/415VAC
              1.00 to 50.0 amps, 80VDC
A.I.C. : up to 5,000 amps (120VAC/240VAC, 80VDC)
           3,000 amps (250VAC, 240/415VAC)
Approvals : UL489, UL, TÃœV, CE
Prefixes : LEGA

LEJ & LEJA Series

Description : UL 489 Listed, 240 VAC hydraulic magnetic circuit breakers, currently the smallest case design on the market today. Options include low-depth design for low-profile datacenter rack PDUs, multiple handle options, 2 poles max
Ratings : 2.00 to 20.0 amps, 240VAC
A.I.C.
: up to 5,000 amps Approvals : UL489 listed, CSA, TÃœV, CCC (pending)
Prefixes : LEJ, LUJ, LEJA, LUJA, LEJH, LUJH, LEJHA, LUJHA, LEJBX, LEJZX

IAL Series

Description : Hydraulic magnetic circuit breaker (optional switch only configuration) Various pole/handle configurations, optional aux switch, IEL designed to meet IEC 601/950 and VDE 0730,0804 & 0805, 6 poles max
Ratings : 0.05 to 100 amps, 65VDC
0.05 to 70.0 amps, 80VDC, 240/250VAC (50/60Hz)
0.05 to 50.0 amps up to 300VDC,
277/480VAC (50/60Hz), 250VAC (400Hz)
125 amps, 80VDC (CEL, single pole)
400 amps, 80VDC (CELHP, four pole)
A.I.C. : 7,500 amps @ 80VDC up to 5,000 amps@ 250VAC (50/60Hz)
2,000 amps @ 250VAC/415VAC (50/60Hz)
1,500 amps @ 250VAC (400Hz)
1,000 amps @ 300VDC
Approvals : UL 489, CSA, TUV, VDE UL489A, VDE UL 1077, CSA Non Agency
Prefixes : LEL, LML CEL, CML IEL, IUL, IDL, IML IAL

LEL Series

Description : Hydraulic magnetic circuit breaker (optional switch only configuration) Various pole/handle configurations, optional aux switch, LEL designed to meet IEC 601/950 and VDE 0730,0804 & 0805, 6 poles max
Ratings : 0.05 to 100 amps, 80VDC
              0.05 to 80.0 amps, 120/240VAC (50/60Hz)
              0.05 to 50.0 amps 125/250VAC (50/60Hz)
              125 amps, 80VDC (CEL, single pole)
              400 amps, 80VDC (CELHP, four pole)
A.I.C. : 50,000 amps @ 80VDC
           10,000 amps@ 120/240VAC (50/60Hz), 125VAC (50/60Hz)
           5,000 amps @ 120/240VAC (50/60Hz)
           2,000 amps @ 80VDC, 250VAC (50/60Hz)
Approvals : UL489, UL489A (CEL), CSA, VDE, CE, CCC
Prefixes : LEL (part of IAL family)

IULP Series

Description : Hydraulic magnetic circuit breaker (optional switch only configuration) Unique parallel current sensing design, compact size, high current capacity, 1 poles max
Ratings : 125 to 250 amps, 80VDC (two parallel poles)
A.I.C. : 50,000 amps @ 80VDC (up to 100 amp rating)
           50,000 amps @ 65VDC (up to 200 amp rating)
           10,000 amps @ 80VDC (over 100 amp rating)
Approvals : UL489, UL489A, CSA
Prefixes : IULP, CELP, LELP

IALR Series

Description : Hydraulic magnetic circuit breaker (optional switch only configuration) Designed to mount on standard 35mm DIN rails, IELR designed to meet IEC 601/950 and VDE 0730,0804 & 0805, 4 poles max
Ratings : 0.05 to 70.0 amps, 80VDC, 250VAC (50/60Hz)
              0.10 to 50.0 amps, 80VDC, 250VAC (50/60Hz, VDE)
              0.10 to 30 amps, 415VAC (50/60Hz, VDE)
A.I.C. : up to 7,500 amps @ 80VDC
           5,000 amps @ 250VAC (50/60Hz)
           2,000 amps @ 250/277/415VAC (50/60Hz)
Approvals : UL, CSA, VDE, CE
Prefixes : IALR, IULR, IELR

209 Series

Description : Hydraulic magnetic circuit breaker (optional switch only configuration) Front or back connected terminal styles, E-frame complies with UL489 and international requirements, 6 poles max
Ratings : 0.10 to 100 amps, up to 160VDC, 240/415VAC, 347/600VAC
              0.10 to 100 amps, 125VDC
              0.10 to 77 amps, 600VAC
A.I.C. : up to 10,000 amps
Approvals : UL 489, CSA, TUV, VDE UL489A, VDE UL 1077, CSA UL508 TUV
Prefixes : 209, 239, 249 279 229, 269 219, 229 209, 219, 229

JAE Series

Description : Hydraulic magnetic circuit breaker (optional switch only configuration) F-frame style complies with UL489, 6 poles max
Ratings : UL489: 100 to 250 amps, 65VDC, 160VDC, 125/250VAC (2 poles breaking), 240VAC UL489A: 275 up to 1200 amps, 65VDC (paralleled poles)
A.I.C. : up to 100,000 amps @ 65VDC
           10,000 amps @ 160VDC, 125/250VAC, 240VAC
Approvals : UL 489, CSA UL489A UL 1077, CSA UL508
Prefixes : JLE, JLM JTE, JTM JRE, JRM JRE, JREP, JRM, JRMP