BIMETAL CUTOUTS R53 R54 R55 R Technical data R53 R54 R55 ratings control type CS-7S CS-17 B-2 CH-15 CH-152-35 CR71 function automatic SOD automatic SOD manual version normally closed / normally open nc nc / no nc nc rated current at 250 Vac ( cos 0,95 ) 10A 25A 25A/15A 15 (10) 10 10(8) VDE switching cycles 100,000 100,000 1 100,000 1 temperature range TA (steps in 5C) -20...200C 60...150C -20...200C 0...220C -20...200C rated current at 125/250 * 15A/10A 25A/25A 25A 15/10 17A 15(10) UL switching cycles 100,000 100,000 1 100,000 1 temperature range TA (steps in 5C) -20...200C 150C 0...200C 0...250C 0...260C 50...200C tolerance > +/- 3C (+/- 5C Typical) contact resistance / Insulation res. / dielectric res. < 50 m / >100 m at 500V / 1500V for 1 minute hysteresis / reset temp. (Rt) 20K 5K (Rt) -35C 20K 5K (Rt) -35C deg. of protection provided by enclosures (EN 60529) IP00 VDE / ENEC Cert 40010923 EN 60730-1 / -2-9 / 1-A15 / 1-A16 approvals UL / CUL UL 873 File E50367 CSA C22.2 No.24 File LR85323 * Additional ratings for CS-7 only: 12VDC 15A / 20,000 switching cyles (Not UL, CSA, VDE) 9.5VDC 0.38A / 100,000 switching cyles (UL Approved, Pilot Duty Only) 24VDC 10A / 20,000 switching cyles (Not UL, CSA, VDE) 12VDC 0.075A / 100,000 switching cyles (UL Approved, Pilot Duty Only) For use as a guideline only. Standard types drawing technical type nc no code photo approvals dimensions (mm) description Terminals 6.3 x 0.8, 4.8 x 0.5mm Sn or Ni plate, Term = Z1 Housing: Thermoset, Cap: Ring = D SS or Al, Loose Bracket, Terminals Vertical (Z type) R53 2 1 UL, CSA, VDE CS-7S, CS-17, B2 Terminals 6.3 x 0.8, 4.8 x 0.5mm Sn or Ni plate, Term = Y1 Housing: Thermoset, Cap: SS or Al, Loose Bracket, Ring = D Terminals Horizontal (Y type) Terminals 6.3 x 0.8, 4.8 x 0.5mm Sn or Ni plate, Housing: Thermoset, Cap: R55 2 Ring = D SS or Al, Loose Bracket, CR-71 Terminals Horizontal (Y type) Terminals 6.3 x 0.8, 4.8 x 0.5 mm Sn or Ni plate, Housing: Thermoset, Cap: R53 UL, CUL, VDE 2 1 Ring = L SS, Welded Bracket, CS-17 Terminals Horizontal (Y type) Terminals 6.3 x 0.8, Steel Ni plate, Housing: Ring = None Ceramic Thermoset, Cap: R54 2 1 Aluminum, Loose Bracket, CH-15, CH-152-35 Term = Y7 Terminals Horizontal (Y type)