Siemens SG8158-00 manual Technical Specifications

1

Introduction

1.5	Technical Specifications
	Applicable Standards
ANSI / IEEE C37.90-1989		IEEE Standard Relays and Relay
		Systems Associated With Elec-
		tric Power Apparatus
IEC 255-4		Single Input Energizing Quantity
		Measuring Relays With Depen-
		dent or Independent Time
	General Technical Data
Operating ambient temperature		-20°C to +55°C (-4°F to +131°F)
Storage temperature		-40°Cto+75°C (-40°F to+167°F)
Relative humidity		The average relative humidity
		may be up to 55% outside of
		enclosure for temperatures up to
		40°C, with excursions up to
		95% for a maximum of 96
		hours, without condensation.
Altitude		< 1500 meters
Frequency		50 Hz or 60 Hz, software select-
		able
	Power Supply AC/DC
DC	Rated voltages	48 V (19-56 V),
		125 V (46-144 V),
		250 V (92-288 V)
	Permissible ripple	<10%
AC	Rated voltage	120 V rms (102-132 V, 50-60 Hz)
	Power consumption	<15W
	Input Circuit Ratings
Rated current (In)		1 or 5 A, independently for
		phase and ground inputs
Maximum input current		4 x In continuous
		10 x In for 10 s
		100 x In for 1 s
CT burden		<0.1 VA for 1A CT
		<0.5 VA for 5A CT
Rated voltage (Vn)		115 or 120 volts
Maximum input voltage		for measurement: 1.25 x Vn
		MOV protected at: 2.5 x Vn
VT burden		150kΩ
	Trip Circuit
Tripping relays		2 or 3
Contact configuration
(Trip 1, Trip 2, Trip 3)
Contact rating		IEEE/ANSI C37.90-1989, Sec-
		tion 6.7 (Make and carry 30 A for
		at least 2000 duty cycles, resis-
		tive load, interrupted by indepen-
		dent means. Duty cycle:
		200 ms on, 15 s off, 250 V)

Trip Circuit (continued)

Binary output contacts	2 x N.O. (independent,
(BO1 and BO2)	not rated for tripping)
Maximum switching voltage	300 VDC, 250 VAC
Maximum switching current	8 A
Maximum switching capac-	DC: voltage dependent;
ity (for currents not inter-	50 W at V ≥70 VDC
rupted by independent	100 W at 48 VDC
means)	270 W at 35 VDC
	AC: 2000 VA
Trip source monitor	215 mA for 48 VDC supply
	63 mA for 125 VDC supply
	36 mA for 250 VDC supply
	Source quality checked approxi-
	mately every 4 minutes
Isolation
Applicable standards	ANSI/IEEE C37.90-1989,
	IEC 255-4, IEC 255-5
Between all circuits (except	2 kV rms, 50/60 Hz, 1 minute
communications interfaces, ana-
log inputs and outputs) and
ground, and between these cir-
cuits.
Between communications inter-	500 VDC, 1 minute
faces, analog inputs and outputs
and ground, and between these
circuits
Across open contacts rated for	1500 V rms, 50/60 Hz, 1 minute
tripping
Across open contacts not rated	1000 V rms, 50/60 Hz, 1 minute
for tripping
Impulse
Applicable standards	IEC 255-4, IEC 255-5
For all circuits (except communi-	class 3, 5 kV, 1.2/50 μs, 0.5 J
cations interfaces, analog
inputs and outputs), transverse
and common mode
RS-485 and local communica-	class 1, 0 kV
tions interfaces, analog I/Os
Electrostatic Discharge
Applicable standards	IEC 801-2 (test without cover)
Contact discharge	class 3, 6 kV
Air discharge	class 3, 8 kV
Surge Withstand Capability
Applicable standards	ANSI/IEEE C37.90-1989,
	IEC 255-4, IEC 255-22-1,
	IEC 41B (CO) 53
For all circuits except communi-	ANSI: Oscillatory and Fast Tran-
cations interfaces, analog	sient, transverse and common
inputs and outputs	mode
	IEC: Class 3, 2.5 kV
For RS-485 interface, analog	IEC: Class 1, 0.5 kV
inputs and outputs
Electromagnetic Field
Applicable standards	ANSI/IEEE C37.90.2
All six faces	10 V/m (+100%, -0%),
	2-1000 MHz

4 Siemens Energy & Automation, Inc.