Schurter EKO High Voltage Fuse

500/1000VDC | 1250VAC | 50–1100A | Square Body

Schurter EKO HV Fuse Overview

The Schurter EKO is a comprehensive range of square-body high voltage fuses engineered for industrial protection in energy storage, power conversion and charging infrastructure applications. Rated up to 1000VDC (with 1250VAC available on selected series) and covering current ratings from 50A to 1100A, the EKO is available across four body sizes and multiple mounting configurations — flush end, DIN rail, US style bolted tag and bolt-on — with optional indicator and microswitch accessories.

Product features: Four body sizes: EKO11, EKO12, EKO13, EKO14 and compact EKO81

Mounting options: flush end (FLA), DIN rail (DIA), US style bolted tag (UBA), bolt-on (BOA)

Optional indicator (-LN) and indicator with microswitch (-LS) accessories

Ceramic tube with copper alloy tin-plated terminals

Vibration tested to IEC 60068-2-64; shock tested to IEC 60068-2-27

Salt mist tested to IEC 60068-2-11; thermal shock tested to IEC 60068-2-14

Designed to IEC 60269-4, UL 248-13 and GB/T13539.4

UL approved (File No. E531402); CCC approved; CE marked

RoHS, REACH and China RoHS compliant
Compatible Applications The EKO series is designed for protection in high power industrial and energy systems:: Charging infrastructure

Manual service disconnector

Energy storage systems / BESS: pack, rack, PCS, section, module, PDU

Power conversion devices: UPS, inverters, rectifiers, drives

Industrial equipment: heaters, welding, metal processing

EKO Technical Specifications

Technical specifications

Technical specifications
Parameter	Value
Rated voltage	500VDC, 1000VDC (1250VAC on selected series)
Rated current	50–1100A
Breaking capacity	50kA DC (100kA AC on selected series)
Characteristic	HV Fuse
Mounting	Flush end, DIN rail, US style bolted tag, bolt-on
Operating temperature	-40°C to +125°C
Storage conditions	-40°C to +70°C, max. 70% r.h.
Terminal material	Copper alloy, tin-plated
Tube material	Ceramic
Approvals	UL (E531402), CCC, CE
Compliances	RoHS, REACH, China RoHS
Product standards	IEC 60269-4, UL 248-13, GB/T13539.4

EKO Variants & Order Codes

Series	Current (A)	Voltage (VDC)	Voltage (VAC)	Mounting	L (mm)	W (mm)	H (mm)	Indicator	Microswitch	Breaking Capacity	Pre-arcing I²t typ. (kA²s)	Melting I²t typ. (kA²s)	Power Dissipation typ. (W)	Pkg	Order No.
EKO11	160	1000	1250	FLA	80	43	43	–	–	50kA²	18.3	50.4	44	60	8060.0025
EKO11	200	1000	1250	FLA	80	43	43	–	–	50kA²	28.5	78.8	54	60	8060.0026
EKO11	250	1000	1250	FLA	80	43	43	–	–	50kA²	44.6	123.1	64	60	8060.0027
EKO11	315	1000	1250	FLA	80	43	43	–	–	50kA²	70.8	195.4	80	60	8060.0028
EKO11	350	1000	1250	FLA	80	43	43	–	–	50kA²	87.4	241.2	88	60	8060.0029
EKO11	400	1000	1250	FLA	80	43	43	–	–	50kA²	114.1	315.1	97	60	8060.0030
EKO11	160	1000	1250	FLA	80	43	43	Yes	–	50kA²	18.3	50.4	44	60	8060.0036
EKO11	200	1000	1250	FLA	80	43	43	Yes	–	50kA²	28.5	78.8	54	60	8060.0037
EKO11	250	1000	1250	FLA	80	43	43	Yes	–	50kA²	44.6	123.1	64	60	8060.0038
EKO11	315	1000	1250	FLA	80	43	43	Yes	–	50kA²	70.8	195.4	80	60	8060.0039
EKO11	350	1000	1250	FLA	80	43	43	Yes	–	50kA²	87.4	241.2	88	60	8060.0040
EKO11	400	1000	1250	FLA	80	43	43	Yes	–	50kA²	114.1	315.1	97	60	8060.0041
EKO11	160	1000	1250	FLA	80	43	43	Yes	Yes	50kA²	18.3	50.4	44	60	3-158-362
EKO11	200	1000	1250	FLA	80	43	43	Yes	Yes	50kA²	28.5	78.8	54	60	3-158-363
EKO11	250	1000	1250	FLA	80	43	43	Yes	Yes	50kA²	44.6	123.1	64	60	3-158-364
EKO11	315	1000	1250	FLA	80	43	43	Yes	Yes	50kA²	70.8	195.4	80	60	3-158-365
EKO11	350	1000	1250	FLA	80	43	43	Yes	Yes	50kA²	87.4	241.2	88	60	3-158-366
EKO11	400	1000	1250	FLA	80	43	43	Yes	Yes	50kA²	114.1	315.1	97	60	3-158-367
EKO11	160	1000	1250	DIA	80	43	43	–	–	50kA²	18.3	50.4	44	60	8060.0065
EKO11	200	1000	1250	DIA	80	43	43	–	–	50kA²	28.5	78.8	54	60	8060.0066
EKO11	250	1000	1250	DIA	80	43	43	–	–	50kA²	44.6	123.1	64	60	8060.0067
EKO11	315	1000	1250	DIA	80	43	43	–	–	50kA²	70.8	195.4	80	60	8060.0068
EKO11	350	1000	1250	DIA	80	43	43	–	–	50kA²	87.4	241.2	88	60	8060.0069
EKO11	400	1000	1250	DIA	80	43	43	–	–	50kA²	114.1	315.1	97	60	8060.0070
EKO11	160	1000	1250	DIA	80	43	43	Yes	–	50kA²	18.3	50.4	44	60	8060.0076
EKO11	200	1000	1250	DIA	80	43	43	Yes	–	50kA²	28.5	78.8	54	60	8060.0077
EKO11	250	1000	1250	DIA	80	43	43	Yes	–	50kA²	44.6	123.1	64	60	8060.0078
EKO11	315	1000	1250	DIA	80	43	43	Yes	–	50kA²	70.8	195.4	80	60	8060.0079
EKO11	350	1000	1250	DIA	80	43	43	Yes	–	50kA²	87.4	241.2	88	60	8060.0080
EKO11	400	1000	1250	DIA	80	43	43	Yes	–	50kA²	114.1	315.1	97	60	8060.0081
EKO11	160	1000	1250	DIA	80	43	43	Yes	Yes	50kA²	18.3	50.4	44	60	3-158-368
EKO11	200	1000	1250	DIA	80	43	43	Yes	Yes	50kA²	28.5	78.8	54	60	3-158-369
EKO11	250	1000	1250	DIA	80	43	43	Yes	Yes	50kA²	44.6	123.1	64	60	3-158-387
EKO11	315	1000	1250	DIA	80	43	43	Yes	Yes	50kA²	70.8	195.4	80	60	3-158-388
EKO11	350	1000	1250	DIA	80	43	43	Yes	Yes	50kA²	87.4	241.2	88	60	3-158-466
EKO11	400	1000	1250	DIA	80	43	43	Yes	Yes	50kA²	114.1	315.1	97	60	3-158-389
EKO12	125	1000	500	FLA	81	51	51	–	–	50kA¹	12	37.4	32	60	8060.0140
EKO12	160	1000	500	FLA	81	51	51	–	–	50kA¹	19.7	61.3	40	60	8060.0141
EKO12	250	1000	500	FLA	81	51	51	–	–	50kA¹	48.1	149.6	56	60	8060.0143
EKO12	315	1000	500	FLA	81	51	51	–	–	50kA¹	76.4	237.5	67	60	8060.0144
EKO12	350	1000	500	FLA	81	51	51	–	–	50kA¹	94.3	293.2	73	60	8060.0145
EKO12	400	1000	500	FLA	81	51	51	–	–	50kA¹	123.2	383	83	60	8060.0146
EKO12	500	1000	500	FLA	81	51	51	–	–	50kA¹	192.4	598.4	102	60	8060.0148
EKO12	630	1000	500	FLA	81	51	51	–	–	50kA¹	305.5	950	129	60	8060.0149
EKO12	125	1000	500	FLA	81	51	51	Yes	–	50kA¹	12	37.4	32	60	8060.0150
EKO12	160	1000	500	FLA	81	51	51	Yes	–	50kA¹	19.7	61.3	40	60	8060.0151
EKO12	250	1000	500	FLA	81	51	51	Yes	–	50kA¹	48.1	149.6	56	60	8060.0153
EKO12	315	1000	500	FLA	81	51	51	Yes	–	50kA¹	76.4	237.5	67	60	8060.0154
EKO12	350	1000	500	FLA	81	51	51	Yes	–	50kA¹	94.3	293.2	73	60	8060.0155
EKO12	400	1000	500	FLA	81	51	51	Yes	–	50kA¹	123.2	383	83	60	8060.0156
EKO12	500	1000	500	FLA	81	51	51	Yes	–	50kA¹	192.4	598.4	102	60	8060.0158
EKO12	630	1000	500	FLA	81	51	51	Yes	–	50kA¹	305.5	950	129	60	8060.0159
EKO12	125	1000	500	FLA	81	51	51	Yes	Yes	50kA¹	12	37.4	32	60	3-158-390
EKO12	160	1000	500	FLA	81	51	51	Yes	Yes	50kA¹	19.7	61.3	40	60	3-158-397
EKO12	250	1000	500	FLA	81	51	51	Yes	Yes	50kA¹	48.1	149.6	56	60	3-158-391
EKO12	315	1000	500	FLA	81	51	51	Yes	Yes	50kA¹	76.4	237.5	67	60	3-158-392
EKO12	350	1000	500	FLA	81	51	51	Yes	Yes	50kA¹	94.3	293.2	73	60	3-158-393
EKO12	400	1000	500	FLA	81	51	51	Yes	Yes	50kA¹	123.2	383	83	60	3-158-394
EKO12	500	1000	500	FLA	81	51	51	Yes	Yes	50kA¹	192.4	598.4	102	60	3-158-395
EKO12	630	1000	500	FLA	81	51	51	Yes	Yes	50kA¹	305.5	950	129	60	3-158-396
EKO12	125	1000	500	UBA	81	51	51	–	–	50kA¹	12	37.4	32	60	8060.0170
EKO12	160	1000	500	UBA	81	51	51	–	–	50kA¹	19.7	61.3	40	60	8060.0171
EKO12	250	1000	500	UBA	81	51	51	–	–	50kA¹	48.1	149.6	56	60	8060.0173
EKO12	315	1000	500	UBA	81	51	51	–	–	50kA¹	76.4	237.5	67	60	8060.0174
EKO12	350	1000	500	UBA	81	51	51	–	–	50kA¹	94.3	293.2	73	60	8060.0175
EKO12	400	1000	500	UBA	81	51	51	–	–	50kA¹	123.2	383	83	60	8060.0176
EKO12	500	1000	500	UBA	81	51	51	–	–	50kA¹	192.4	598.4	102	60	8060.0178
EKO12	630	1000	500	UBA	81	51	51	–	–	50kA¹	305.5	950	129	60	8060.0179
EKO12	125	1000	500	UBA	81	51	51	Yes	–	50kA¹	12	37.4	32	60	8060.0180
EKO12	160	1000	500	UBA	81	51	51	Yes	–	50kA¹	19.7	61.3	40	60	8060.0181
EKO12	250	1000	500	UBA	81	51	51	Yes	–	50kA¹	48.1	149.6	56	60	8060.0183
EKO12	315	1000	500	UBA	81	51	51	Yes	–	50kA¹	76.4	237.5	67	60	8060.0184
EKO12	350	1000	500	UBA	81	51	51	Yes	–	50kA¹	94.3	293.2	73	60	8060.0185
EKO12	400	1000	500	UBA	81	51	51	Yes	–	50kA¹	123.2	383	83	60	8060.0186
EKO12	500	1000	500	UBA	81	51	51	Yes	–	50kA¹	192.4	598.4	102	60	8060.0188
EKO12	630	1000	500	UBA	81	51	51	Yes	–	50kA¹	305.5	950	129	60	8060.0189
EKO12	125	1000	500	UBA	81	51	51	Yes	Yes	50kA¹	12	37.4	32	60	3-158-398
EKO12	160	1000	500	UBA	81	51	51	Yes	Yes	50kA¹	19.7	61.3	40	60	3-159-088
EKO12	250	1000	500	UBA	81	51	51	Yes	Yes	50kA¹	48.1	149.6	56	60	3-158-465
EKO12	315	1000	500	UBA	81	51	51	Yes	Yes	50kA¹	76.4	237.5	67	60	3-158-401
EKO12	350	1000	500	UBA	81	51	51	Yes	Yes	50kA¹	94.3	293.2	73	60	3-158-402
EKO12	400	1000	500	UBA	81	51	51	Yes	Yes	50kA¹	123.2	383	83	60	3-158-403
EKO12	500	1000	500	UBA	81	51	51	Yes	Yes	50kA¹	192.4	598.4	102	60	3-158-404
EKO12	630	1000	500	UBA	81	51	51	Yes	Yes	50kA¹	305.5	950	129	60	3-158-405
EKO13	250	1000	1250	FLA	81	58	58	–	–	50kA²	29.8	93.1	58	24	8060.0210
EKO13	500	1000	1250	FLA	81	58	58	–	–	50kA²	119.1	372.3	100	24	8060.0215
EKO13	630	1000	1250	FLA	81	58	58	–	–	50kA²	189.1	591	127	24	8060.0216
EKO13	800	1000	1250	FLA	81	58	58	–	–	50kA²	305	953	205	24	8060.0218
EKO13	250	1000	1250	FLA	81	58	58	Yes	–	50kA²	29.8	93.1	58	24	8060.0219
EKO13	500	1000	1250	FLA	81	58	58	Yes	–	50kA²	119.1	372.3	100	24	8060.0224
EKO13	630	1000	1250	FLA	81	58	58	Yes	–	50kA²	189.1	591	127	24	8060.0225
EKO13	800	1000	1250	FLA	81	58	58	Yes	–	50kA²	305	953	205	24	8060.0227
EKO13	250	1000	1250	FLA	81	58	58	Yes	Yes	50kA²	29.8	93.1	58	24	3-158-406
EKO13	500	1000	1250	FLA	81	58	58	Yes	Yes	50kA²	119.1	372.3	100	24	3-158-407
EKO13	630	1000	1250	FLA	81	58	58	Yes	Yes	50kA²	189.1	591	127	24	3-158-408
EKO13	800	1000	1250	FLA	81	58	58	Yes	Yes	50kA²	305	953	205	24	3-158-409
EKO13	250	1000	1250	DIA	81	58	58	–	–	50kA²	29.8	93.1	58	24	8060.0240
EKO13	500	1000	1250	DIA	81	58	58	–	–	50kA²	119.1	372.3	100	24	8060.0245
EKO13	630	1000	1250	DIA	81	58	58	–	–	50kA²	189.1	591	127	24	8060.0246
EKO13	800	1000	1250	DIA	81	58	58	–	–	50kA²	305	953	205	24	8060.0248
EKO13	250	1000	1250	DIA	81	58	58	Yes	–	50kA²	29.8	93.1	58	24	8060.0249
EKO13	500	1000	1250	DIA	81	58	58	Yes	–	50kA²	119.1	372.3	100	24	8060.0254
EKO13	630	1000	1250	DIA	81	58	58	Yes	–	50kA²	189.1	591	127	24	8060.0255
EKO13	800	1000	1250	DIA	81	58	58	Yes	–	50kA²	305	953	205	24	8060.0257
EKO13	250	1000	1250	DIA	81	58	58	Yes	Yes	50kA²	29.8	93.1	58	24	3-158-410
EKO13	500	1000	1250	DIA	81	58	58	Yes	Yes	50kA²	119.1	372.3	100	24	3-158-411
EKO13	630	1000	1250	DIA	81	58	58	Yes	Yes	50kA²	189.1	591	127	24	3-158-412
EKO13	800	1000	1250	DIA	81	58	58	Yes	Yes	50kA²	305	953	205	24	3-158-413
EKO14	315	1000	1250	FLA	82	74	74	–	–	50kA²	130.4	250.1	87	24	8060.0290
EKO14	630	1000	1250	FLA	82	74	74	–	–	50kA²	521.5	1000.5	162	24	8060.0299
EKO14	800	1000	1250	FLA	82	74	74	–	–	50kA²	841	1613.2	198	24	8060.0302
EKO14	900	1000	1250	FLA	82	74	74	–	–	50kA²	1064.4	2041.7	223	24	8060.0304
EKO14	1100	1000	1250	FLA	82	74	74	–	–	50kA²	1590	3050	266	24	8060.0307
EKO14	315	1000	1250	FLA	82	74	74	Yes	–	50kA²	130.4	250.1	87	24	8060.0308
EKO14	630	1000	1250	FLA	82	74	74	Yes	–	50kA²	521.5	1000.5	162	24	8060.0317
EKO14	800	1000	1250	FLA	82	74	74	Yes	–	50kA²	841	1613.2	198	24	8060.0320
EKO14	900	1000	1250	FLA	82	74	74	Yes	–	50kA²	1064.4	2041.7	223	24	8060.0322
EKO14	1100	1000	1250	FLA	82	74	74	Yes	–	50kA²	1590	3050	266	24	8060.0325
EKO14	315	1000	1250	FLA	82	74	74	Yes	Yes	50kA²	130.4	250.1	87	24	3-158-415
EKO14	630	1000	1250	FLA	82	74	74	Yes	Yes	50kA²	521.5	1000.5	162	24	3-158-416
EKO14	800	1000	1250	FLA	82	74	74	Yes	Yes	50kA²	841	1613.2	198	24	3-158-417
EKO14	900	1000	1250	FLA	82	74	74	Yes	Yes	50kA²	1064.4	2041.7	223	24	3-158-418
EKO14	1100	1000	1250	FLA	82	74	74	Yes	Yes	50kA²	1590	3050	266	24	3-158-419
EKO14	315	1000	1250	DIA	82	74	74	–	–	50kA²	130.4	250.1	87	12	8060.0398
EKO14	630	1000	1250	DIA	82	74	74	–	–	50kA²	521.5	1000.5	162	12	8060.0407
EKO14	800	1000	1250	DIA	82	74	74	–	–	50kA²	841	1613.2	198	12	8060.0410
EKO14	900	1000	1250	DIA	82	74	74	–	–	50kA²	1064.4	2041.7	223	12	8060.0412
EKO14	1100	1000	1250	DIA	82	74	74	–	–	50kA²	1590	3050	266	12	8060.0415
EKO14	315	1000	1250	DIA	82	74	74	Yes	–	50kA²	130.4	250.1	87	12	8060.0416
EKO14	630	1000	1250	DIA	82	74	74	Yes	–	50kA²	521.5	1000.5	162	12	8060.0425
EKO14	800	1000	1250	DIA	82	74	74	Yes	–	50kA²	841	1613.2	198	12	8060.0428
EKO14	900	1000	1250	DIA	82	74	74	Yes	–	50kA²	1064.4	2041.7	223	12	8060.0430
EKO14	1100	1000	1250	DIA	82	74	74	Yes	–	50kA²	1590	3050	266	12	8060.0433
EKO14	315	1000	1250	DIA	82	74	74	Yes	Yes	50kA²	130.4	250.1	87	12	3-158-420
EKO14	630	1000	1250	DIA	82	74	74	Yes	Yes	50kA²	521.5	1000.5	162	12	3-158-422
EKO14	800	1000	1250	DIA	82	74	74	Yes	Yes	50kA²	841	1613.2	198	12	3-158-423
EKO14	900	1000	1250	DIA	82	74	74	Yes	Yes	50kA²	1064.4	2041.7	223	12	3-158-424
EKO14	1100	1000	1250	DIA	82	74	74	Yes	Yes	50kA²	1590	3050	266	12	3-158-425
EKO81	50	500	–	BOA	58	36	23.5	–	–	50kA¹	2.7	7.3	9	180	3-158-849
EKO81	250	500	–	BOA	58	36	23.5	–	–	50kA¹	67.9	182.2	44	180	3-158-850
EKO81	350	500	–	BOA	58	36	23.5	–	–	50kA¹	133	357.2	63	180	3-158-851
EKO81	400	500	–	BOA	58	36	23.5	–	–	50kA¹	173.7	466.5	77	180	3-158-852

¹ 50kA@10ms

² AC100kA/DC50kA@10ms

Downloads & Documentation

EKO Datasheet

Download

Buy Schurter EKO From the Official UK Distributor

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Schurter EKO High Voltage Fuse

Schurter EKO HV Fuse Overview

Product features

Compatible Applications

EKO Technical Specifications

EKO Variants & Order Codes

Downloads & Documentation

EKO Datasheet

Buy Schurter EKO From the Official UK Distributor