Appendix A-Specifications - nvent 910 Series Installation, Operating And Maintenance Instructions

APPENDIX A—SPECIFICATIONS
Specifications are @ 25°C unless otherwise noted and are subject to change without notice.
System Ratings
Storage Ambient –40°F to 185°F (–40°C to 85°C) Approvals CSA C/US
Classification • Cl I, Div 2, Grps A,B,C,D and Ex nA IIA, IIB, IIC (Zone 2)
• SSR Version T-code: T4
• Ordinary locations (SSR and EMR versions)
Wiring Terminal Ratings
Signal Terminals 28-12 AWG, strip length: 0.2"
Power Terminals 30A: 22-8 AWG, strip length: 0.47", torque: 10.7 in-lb
(1.2 N-m)
Ground Lugs 14-6 AWG torque: 12 in-lb (1.35 N-m)
Assembly Ratings
Operating Temperature –40°F to 140°F (–40°C to 60°C) Enclosures FRP: Nema 4X/IP65
SS: Type 304, Nema 4X/IP65
Solid State Relay Rating • 2 pole switching
• 30 A continuous @ 40°C, derate linearly to:
15 A max. @ 60°C
resistive load
• 100–277 Vac nom. max., 80 A 1 sec. in-rush, 625 A 1 cycle in-rush
Electromechanical • 2 pole switching
Relay Rating • 30 A continuous @ 40°C derate linearly to:
20 A max. @ 60°C
• 100–277 Vac nom. max.
Control Module Ratings
Operating Temperature –40°F to 140°F (–40°C to 60°C)
Power Requirements 100 to 277 Vac nom., 1PH, 50/60 Hz, 0.2A. max. + 0.75A
(Aux. AC output terminals)
Output Power +12Vdc nom., 250ma. max.
Control Modes • Proportional, Deadband, Proportional Ambient (SSR),
Proportional Ambient (Contactor) modes
• Adjustable 2°F to 90°F (1°C to 50°C)
Temperature Inputs (2) RTD inputs: 3-wire 100Ω Platinum (DIN 43760, α=0.00385Ω/Ω/°C)
or 2/3-wire 100Ω Ni-Fe, open/shorted sensor detection/protection,
lead resistance compensated 0 to 20Ω per lead
Temperature –76°F to 1058°F (–60°C to 570°C), accuracy ± 0.5% of
Measurement Range span ± 1LSD
Voltage 80 to 295Vac, accuracy: ± 1% of span ± 2LSD,
Measurement Range repeatability: ± 1.5% of span
Current 0.3 to 100A, resolution: 0.1A (0.3A to 11A range),
Measurement Range 0.3A (11A to 40A range), 0.7A (40A to 100A range),
accuracy: ± 2.5% of reading ± resolution
GF Current 20 to 250ma, accuracy: ± 2.5% of span ± 2LSD at nominal load,
Measurement Range repeatability: ±4% of span
Dry Contact 48Vac/dc, 500ma, 10VA switching max.
Alarm Relay Output
AC Alarm Relay Output 0.75A, 100–277 Vac nom. max.
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